Date	Temperatures		Wind
Friday, September 18	23 ° / 17 °	Overcast	7 Km/h
Saturday, September 19	19 ° / 16 °	Light rain shower	4 Km/h
Sunday, September 20	19 ° / 17 °	Light rain shower	19 Km/h
Monday, September 21	17 ° / 14 °	Light rain shower	13 Km/h
Tuesday, September 22	18 ° / 14 °	Overcast	13 Km/h
Wednesday, September 23	17 ° / 14 °	Patchy rain possible	10 Km/h
Thursday, September 24	17 ° / 15 °	Patchy rain possible	10 Km/h
Friday, September 25	20 ° / 15 °	Patchy rain possible	7 Km/h
Saturday, September 26	23 ° / 15 °	Overcast	6 Km/h
Sunday, September 27	22 ° / 13 °	Overcast	6 Km/h
Monday, September 28	28 ° / 19 °	Overcast	17 Km/h
Tuesday, September 29	28 ° / 20 °	Overcast	7 Km/h
Wednesday, September 30	27 ° / 18 °	Overcast	15 Km/h
Thursday, October 1	18 ° / 12 °	Patchy rain possible	14 Km/h
Further Ahead

Illinois weather for this week and the next 14 days

By knowing how cold, mild, warm, or hot the weather in Illinois, you will find it easier to plan your days.

Our 14 day weather forecast for Illinois becomes more accurate the closer to the date of your visit, so always be sure to check in frequently for any weather updates.

The weather in Illinois for the next 14 days - FAQ

What will the temperature be in Illinois during the next 14 days?

The temperature will range between 28° C and 17° C. The hottest day in the next 2 weeks will be on September 28 and the coldest on September 21.

Will it rain at Illinois in the next 14 days?

Yes, there will be around 3 days with rain and an overall rainfall of 5.9 mm.

Can I see more details about the weather in Illinois on a specific day?

Yes, you can click on any of the days in the gallery above, or check today and tomorrow weather in Illinois's pages.

Do you have a weather forecast for Illinois for more than 14 days?

You can check the Illinois long range weather page, it is not a forecast, but it can give you an idea of how the weather in Illinois will be like (based on past weather information).

Cities in Illinois

For a more accurate weather forecast please select a city

Aurora Champaign Chicago Elgin Joliet Naperville Quincy Rockford Springfield Zion

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More about the weather in Illinois