Illinois (Chicago)
June
Weather in Illinois for June 2026
Your guide to Illinois weather in June - trends and predictions
In general, the average temperature in Illinois at the beginning of June is 21.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 25.6 °F by the end of June.
Illinois experiences heavy rainfall in June, with over 20 rainy days and an average total precipitation 183.3 mm.
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Temperatures
Rain 🌧️
More
9
Dry days
21
Rainy days
0
Snow days
24°/17°
Temperatures
19 km/h
Avg max wind
70 %
Avg humidity
Illinois Weather June
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What’s the Weather Like in Illinois This June?
Discover the average temperatures and weather trends across Illinois’s cities this June.
Temperatures trend during June in Illinois
See the weather trend as well as the moving average line
June weather in Illinois day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jun. 1 |  Patchy rain possible | 20° /12° | 2.8 mm | 5 | |
| Jun. 2 |  Partly cloudy | 22° /14° | 0.1 mm | 5 | |
| Jun. 3 |  Sunny | 25° /15° | 1.7 mm | 6 | |
| Jun. 4 | Sunny | 22° /16° | 12.6 mm | 5 | |
| Jun. 5 | Sunny | 22° /15° | 0.9 mm | 5 | |
| Jun. 6 | Partly cloudy | 20° /14° | 3.6 mm | 5 | |
| Jun. 7 | Partly cloudy | 20° /14° | 2.8 mm | 5 | |
| Jun. 8 | Patchy rain possible | 21° /14° | 5.1 mm | 5 | |
| Jun. 9 | Partly cloudy | 23° /14° | 0 mm | 6 | |
| Jun. 10 | Partly cloudy | 21° /14° | 0 mm | 5 | |
| Jun. 11 |  Overcast | 24° /14° | 2.8 mm | 6 | |
| Jun. 12 | Overcast | 22° /14° | 0.1 mm | 5 | |
| Jun. 13 |  Moderate or heavy rain shower | 24° /16° | 11.2 mm | 6 | |
| Jun. 14 | Sunny | 22° /16° | 0.6 mm | 6 | |
| Jun. 15 | Overcast | 24° /16° | 0 mm | 6 | |
| Jun. 16 | Sunny | 24° /16° | 1.7 mm | 6 | |
| Jun. 17 | Sunny | 27° /17° | 24 mm | 7 | |
| Jun. 18 | Moderate or heavy rain shower | 25° /19° | 17.9 mm | 6 | |
| Jun. 19 | Patchy rain possible | 26° /17° | 0.7 mm | 6 | |
| Jun. 20 | Moderate or heavy rain shower | 26° /17° | 3.4 mm | 6 | |
| Jun. 21 | Sunny | 28° /17° | 0.6 mm | 7 | |
| Jun. 22 | Partly cloudy | 27° /20° | 3.4 mm | 7 | |
| Jun. 23 | Sunny | 27° /19° | 2 mm | 6 | |
| Jun. 24 |  Heavy rain at times | 28° /18° | 3.1 mm | 6 | |
| Jun. 25 | Moderate or heavy rain shower | 25° /19° | 42.2 mm | 6 | |
| Jun. 26 | Patchy rain possible | 26° /18° | 13.8 mm | 6 | |
| Jun. 27 | Patchy rain possible | 23° /16° | 10.9 mm | 5 | |
| Jun. 28 | Moderate or heavy rain shower | 25° /17° | 5.3 mm | 6 | |
| Jun. 29 | Moderate or heavy rain shower | 27° /19° | 2.6 mm | 6 | |
| Jun. 30 | Moderate or heavy rain shower | 25° /19° | 7.2 mm | 6 | |
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Important Notice
Our weather forecast for Illinois in June is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Illinois forecast closer to your planned date for the most up-to-date weather information.
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Illinois in June - FAQ
What are the expected maximum and minimum temperatures in Illinois during June?
During June, expect a variety of temperatures with highs around 24° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Illinois during June?
Significant rainfall exceeding 183.3 mm is expected in Illinois during June, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Illinois during June?
The average wind speed in Illinois during June is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
June rainfall patterns in Illinois
Explore the daily rainfall trends and prepare for Illinoiss June weather 💧
UV exposure in Illinois during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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