Cook County (Chicago)
June
Weather in Cook County, Illinois for June 2025
Your guide to Cook County weather in June - trends and predictions
Until now, June 2025 in Cook County is slightly cooler than the historical average by -0.7 °F.
The forecast for the coming days of June 2025 predicts a temperature of 29.6 °F , which is warmer than usual.
In general, the average temperature in Cook County at the beginning of June is 21.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 28.7 °F by the end of June.
Cook County in June brings notable rainfall, with an average of 20 rainy days and a total precipitation of 140.8 mm.
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Temperatures
Rain 🌧️
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10
Dry days
20
Rainy days
0
Snow days
23°/17°
Temperatures
18 km/h
Avg max wind
69 %
Avg humidity
Cook County Weather June
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Temperatures trend during June in Cook County
See the weather trend as well as the moving average line
June weather in Cook County 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 | Partly cloudy | 26° /14° | 0 mm | 2.6 | |
| Jun. 17 |  Heavy rain | 33° /19° | 23.1 mm | 2.4 | |
| Jun. 18 | Heavy rain | 33° /19° | 158.7 mm | 2 | |
| Jun. 19 | Patchy rain possible | 25° /16° | 2.5 mm | 2.4 | |
| Jun. 20 | Patchy rain possible | 23° /16° | 2.5 mm | 0.1 | |
| Jun. 21 | Sunny | 32° /22° | 0 mm | 7 | |
| Jun. 22 | Sunny | 33° /25° | 0 mm | 7 | |
| Jun. 23 | Sunny | 33° /25° | 0 mm | 7 | |
| Jun. 24 | Patchy rain possible | 33° /25° | 1.3 mm | 6 | |
| Jun. 25 | Sunny | 32° /24° | 0 mm | 7 | |
| Jun. 26 | Sunny | 31° /23° | 0 mm | 7 | |
| Jun. 27 |  Moderate rain | 30° /21° | 11.1 mm | 6 | |
| Jun. 28 | Patchy rain possible | 25° /19° | 0.1 mm | 5 | |
| Jun. 29 | Partly cloudy | 25° /19° | 0 mm | 6 | |
| Jun. 30 | Moderate or heavy rain shower | 25° /18° | 1.9 mm | 6 | |
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Important Notice
Our weather forecast for Cook County 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 Cook County forecast closer to your planned date for the most up-to-date weather information.
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Cook County in June - FAQ
What are the expected maximum and minimum temperatures in Cook County during June?
During June, expect a variety of temperatures with highs around 23° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cook County during June?
Significant rainfall exceeding 140.8 mm is expected in Cook County during June, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cook County during June?
The average wind speed in Cook County during June is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
June rainfall patterns in Cook County
Explore the daily rainfall trends and prepare for Cook Countys June weather 💧
UV exposure in Cook County during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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