Illinois' climate is typically continental with cold winters, warm summers, and frequent short fluctuations in temperature, humidity, cloudiness, and wind direction. Hot and humid summerlike weather started the month with highs in the upper 80s to mid 90s from Oct 1-2 with muggy lows in the upper 60s and lower 70s. day night Weather update from Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal at 2020-12-05T09:56:00+00:00 Key findings The highest monthly average temperature in Normal for July is 75 degrees Many consider the more moderate temperatures of spring and fall to be the most pleasant. Average temperatures for October at cities throughout Illinois are listed below. Low °F. Average temperatures tumble in October as we move deeper into fall. Average high temperature Av. The coolest month in Illinois is January when the average maximum temperature is -0°, average temperature is -4° and average minimum temperature is -7°. N/A Weather in late October is totally unpredictable - take it from a soccer parent who has been on the field every October Sunday for ten years. May average temperatures ranged from the high 50s in northern Illinois to the low 60s in southern Illinois. Open spaces of the Illinois prairie are renowned for being windy. The tables give the normal maximum and minimum temperatures based on weather data collected from 1981 to 2010 by the US National Climatic Data Center. Thus, the mean temperature average on this month of november in Illinois is 47°F. Get the monthly weather forecast for Illinois City, IL, including daily high/low, historical averages, to help you plan ahead. 40.3 °F: What's the Average Temperature in Illinois? In October water temperature throughout Illinois is not yet warm enough for swimming and does not exceed 20°C/68°F. Weather reports from October 2017 in Chicago, Illinois, USA with highs and lows Select a month to view Illinois sunrise & sunset times for the next twelve months. While October is generally a quiet month for tourism, the Chicago Marathon draws thousands to the city, meaning: full hotels, packed restaurants, street closures, and more. Daytime temperatures usually reach 17°C in Chicago, Illinois in October, falling to 6°C at night. The seasonal minimum is 41°F. Climate in Illinois. The weather and climate of Illinois is suitable for a sun vacation. October average low 6 °C In most years, Chicago averages a daily maximum temperature for October that's between 59 and 65 degrees Fahrenheit (15 to 19 degrees Celsius). Thus, the mean temperature average in october in Ottawa is 50°F. Illinois Weather - Monthly averages for temperatures and rainfall. ... October November December; Average Monthly high in °F: 31° 38° 50° 62° 73° 82° 86° 84° 78° 66° 50° 36° Average Monthly low in °F: 13° 19° 29° 40° 51° 61° 65° 62° 53° 42° 30° 19° Average Snow/Rain (Precip.) 24.8 ºF: 22 ºF: Total precipitation Total precip. Chicago October weather guide. October November December; Temperature Max (°F) 37: 38: 51: 58: 70: 78: 84: 80: 74: 64: 53: 45: Temperature (°F) 24: 26: 37: 47: 58: 67: 74: 74: 66: 55: 43: 33: Temperature Min (°F) 10: 10: 25: 39: 48: 58: 64: 67: 59: 45: 31: 21: Sunny Hours (Hours) 78: 114: 168: 150: 213: 198: 189: 177: 237: 105: 168: 87: Rainy (Days) 4: 13: 9: 18: 17: 21: 13: 18: 10: 10: 10: 10: Precip (In) 8: 10: 10: 17: 18: 18: 13: 13: … Also view: monthly average temperatures, precipitation, snow depth, wind speed, air quality and pollution. Brittany Ferries  Cruise Nation  DFDS  English Heritage  Enterprise  Explore! The graph below shows the range of monthly Chicago water temperature derived from many years of historical sea surface temperature data. The dark horizontal lines represent the long-term average. Daily low temperatures decrease by 11°F , from 55°F to 44°F , rarely falling below 35°F or exceeding 64°F . Short-term temperature forecasts call for continued above average temperatures for the first few days of October and then a regression to cooler, more seasonal conditions. The amount of rain in October is normal with an average of 61mm (2.4in). 43. In DeKalb, there are 5 comfortable months with high temperatures in the range of 70-85°. Average weather, temperature, rainfall, sunshine hours Chicago is the largest city of Illinois, and it's located in the American Midwest, along the banks of Lake Michigan. Illinois State Water Survey reports Wednesday the average temperature for October was 59.8 degrees, 5.4 degrees above normal. Longer term Climate Forecast System (CFS) forecasts from the National Centers for Environmental Protection show probabilities of a 32-degree freeze in Illinois remain below 30 percent into the third week of October. If cold weather … October, the same as September, is another enjoyable autumn month in Aurora, Illinois, with average temperature varying between 39°F (3.9°C) and 62.2°F (16.8°C). We are nearing the end of October. Also includes average precipitation, degree days, hours of sun, and more. It ranked in the lowest third of the 125-year record. Note that seasonal normals in contrast with those observed in Illinois in december with a maximum record of 72°F in 2012 and a minimum record of -4°F in 2017. The highest temperature reported in Illinois was 117°F in East St. Louis on July 14, 1954. In addition, Chicago is referred to as the "windy city", in part because of the strong winds found between its tall buildings and a frequent lake breeze. Average Weather in October in Chicago Illinois, United States Daily high temperatures decrease by 12°F , from 68°F to 56°F , rarely falling below 44°F or exceeding 79°F . Based on weather reports collected during 1985–2015. There are normally 6 hours of bright sunshine each day in Chicago, Illinois in October - that's 56% of daylight hours. Their seasons are extreme; super hot in the summer and super cold in the winter. Illinois lies midway between the Continental Divide and the Atlantic Ocean, and the state's southern tip is 500 miles north of the Gulf of Mexico. an analysis of national temperatures and precipitation, placing the data into a historical perspective The average sea water temperature in Illinois in December is 22.3° which is warm and pleasant for relaxing and swimming for long periods. Weather ☀ ⛅ Chicago ☀ ⛅ November ☀ ⛅ Information on temperature, sunshine hours, water temperature & rainfall in November for Chicago. 44.4 ºF: 38 ºF: Average low temperature Av. Average temperature in October in selected cities and towns in Iceland 1988-2018 Average temperature in May in Stockholm, Sweden 1987-2017 Area of natural coastal wetlands across India 2011 by type Illinois annual average temperature - 51.74 degrees, 23rd warmest state in the U.S. Record Hottest year in Illinois - 1921 / Avg temperature 55.61 degrees; Record Coldest year in Illinois - 1917 / Avg temperature 48.67 degrees; Illinois average Summer temperature (June, July, August) - 73.4 F degrees, 17th warmest U.S. summer state How does one have the best October day ever? Daily low temperatures decrease by 10°F , from 51°F to 42°F , rarely falling below 28°F or exceeding 64°F . Over the past three decades, Illinois has experienced the highest springtime temperatures in the historical record. It begins and ends at the famous Grant Park. The amount of rain in October is normal with an average of 61mm (2.4in). October 2019. Best scenario - dry, not too windy, and in the 60's. The weather in Chicago during the month of October is changeable with autumn now in full swing as temperatures are falling, but not yet at those colder winter levels so it is still a good time to visit the nation’s third most populous city. Here, the climate is continental , with cold winters (when there are many periods below freezing) and hot summers. Highs in the 90s and 100s fade away in October … Worst scenario - pouring rain and daytime temps in the 40s, lower at night. The most pleasant months of the year for DeKalb are June, August and September. high temp. The average daily temperature for Chicago in October is cooler than in preceding months at 17°C, which can drop down to 6°C on average. Check temperature, rainfall & sunshine averages & more in October 2021 in Chicago, Illinois - USA … See the current Quincy, IL weather and a 5 day forecast. Chicago Area. The highest temperature reported in Illinois was 117°F in East St. Louis on July 14, 1954. First Choice  FloridaTix  Hoseasons  James Villas  Jet2.com  Jet2holidays  Love Holidays  On the Beach  Rail Europe - formerly Loco2  RHS  Saga Holidays  TUI  Virgin Atlantic  VRBO (formerly HomeAway)  More... We help you find the best travel deals for your holiday in the sun by sharing tips on when and where to go, before providing you with top discounts. Thus, the mean temperature average in january in Illinois is 29°F. Rainfall in Illinois in December The average total rainfall in Illinois in December is 54.3cm and on average there are 13.5 rainy days in December making it a slightly wet time to visit the beach. Average Wind Speed in Illinois Dr. Jim Angel, State Climatologist. High °C. The average minimum temperature (usually the minimum temperature is noted during the night) in Chicago in October is 5.0°C (41°F). The thermometer averaged maximum of 52°F. This month has the first frost, and in some years, even provides the first snowfall. Alaska had an average October temperature that ranked in the warmest third of the historical record. 62. 50.8 °F: How Many Inches of Rain per year does Illinois get ? Low Temp: 14 °F. AVERAGE TEMPERATURES. Average Weather during October in Chicago (Illinois), United States of America. You can jump to a separate table for each region of the state: Chicago Area, Northern Illinois, Central Illinois and Southern Illinois. *affiliate links: find out how we are funded and why this helps us remain free to use. Early in the month, the afternoon temperatures are still pleasant reaching into the upper 60s f (about 20C) with overnight and early morning lows dipping into the upper 40s f (about 9C). Albuquerque Weather for October 2020. October Travel Tips . NOAA's 1981-2010 Climate Normals. How to Have the Most Perfect October Day In Illinois. January; February; March; April; May; June; July; August; September; October; November; December; Monthly average max / min water temperatures. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 6°C (43°F) is normal. What's the weather like in Chicago (Illinois) in October 2020? High °F. The amount of rain in October is normal with an average of 61mm (2.4in). 64.0 ºF -Lowest max temperature Lowest max temp. View all Holiday Autos offers. 2019 Year in Review for Central and Southeast Illinois National Weather Service, Lincoln IL Page 2 Temperature Review: January started off with much above normal temperatures (highs even in the 60s on the 7th), but the month closed out with some of the coldest weather in a number of years (even surpassing the Arctic blast that ushered in 2018). We think if you do all these things, it would qualify as just the most perfect fall day. Average Weather in October in Springfield Illinois, United States Daily high temperatures decrease by 13°F , from 73°F to 59°F , rarely falling below 45°F or exceeding 84°F . Check How Hot & Sunny It Is Before You Book Your Next Holiday in 2020 to Galena, Illinois - USA See Historical Weather Data for a Location and Date. The minimum is 45°F. Showing: All Year January February March April May June July August September October November December. Does it rain in Illinois in October? Weather ☀ ⛅ Chicago ☀ ⛅ October ☀ ⛅ Information on temperature, sunshine hours, water temperature & rainfall in October for Chicago. Get your weekly fix of holiday inspiration from leading travel writers. Try to avoid that weekend if you don't plan to participate. Rainfall in Lake Michigan in October The average total rainfall in Lake Michigan in October is 83.4cm and on average there are 13.7 rainy days in October making it a wet time to visit the beach. Year * Month * Day * Data is available up to December 3, 2020. The Chicago Marathon draws about 45,000 runners to the streets of the downtown area (and upward of 30 surrounding neighborhoods). You need to prepare to have about 25 days with temperatures under 32°F, or … Copyright © 2020 Current Results Publishing Ltd. Precipitation Averages for Illinois in October. All Year Climate & Weather Averages in Rockford. October weather brings fall into full swing, as the temperatures begin to drop. The average annual temperature in Illinois is 52.2 degrees Fahrenheit. The best time to visit the state Illinois in the United States is from may until september, when you will have a pleasant or warm temperature and limited rainfall.The highest average temperature in Illinois is 28°C in july and the lowest is -1°C in january. These temperatures are far removed from those records observed in Illinois in the month of november with a maximum record of 77°F in 2016 and a minimum record of 5°F in 2015. Short-term temperature forecasts call for continued above average temperatures for the first few days of October and then a regression to cooler, more seasonal conditions. Overall, the May statewide average temperature was 60.5 degrees, which was 2.2 degrees below the 30-year normal and 39th coldest on record. What's The Average High Temp in Illinois? Average Weather during October in Joliet (Illinois), United States of America. We’re aware that these uncertain times are limiting many aspects of life as we all practice social a Galena Weather in October - Temperature, Rainfall & Sunshine. But there are still a few days left to have the best October day ever. Sea water temperature throughout Illinois is not yet warm enough for swimming and does not exceed 20°C/68°F. The average sea temperature around Chicago, Illinois in October is 14°C. How warm is the sea around Illinois in October? Highs across the northern tier average in the 50s and 60s for the month. Chicago Marathon: October always kicks off with this iconic feat of athleticism. The climate in Chicago during October can be summarized as mild and reasonably dry. Overall, the May statewide average temperature was 60.5 degrees, which was 2.2 degrees below the 30-year normal and 39th coldest on record. 2017 2018 2019 2020. The average sea temperature around Chicago, Illinois in October is 14°C. See the current Cave-In-Rock, IL weather and a 5 day forecast. The lowest temperature reported in Illinois was -36°F in Congerville on January 5, 1999. Due to the urban heat island effect, cities tend to be 2 °F or 1.1 °C warmer on average, which is most noticeable overnight.. Heat. Low °C. These temperatures are far removed from those records observed in Illinois in january with a maximum record of 63°F in 2013 and a minimum record of -20°F in 2019. Precipitation for October 1969. Home | Privacy & Cookies | Contact | About. A climate chart for your city, indicating the monthly high temperatures and rainfall. Annual Weather Averages Near Chicago. The highest temperature recorded in Illinois was 117 °F (47.2 °C), recorded on July 14, 1954, at East St. Louis. Weather History for Places in Illinois . Average temperatures and precipitation amounts for more than 156 cities in Illinois. The average minimum temperature (usually the minimum temperature is noted during the night) in North Chicago in October is 5.0°C (41°F). Based on average water temperature observations over the past ten years, the warmest water temperature in Illinois in October was 14.7°C/58.5°F, and the coldest 13.4°C/56.1°F You can choose the units of measurement for displaying data - in Celsius or Fahrenheit October is expected to be near-average or slightly cooler from the northern and central Plains to northern New England. October 3 1954: A late-season heat wave was found across central Illinois. There are usually 9 days with some rain in Chicago, Illinois in October and the average monthly rainfall is 68mm. 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