easeweather.com
Cook County (Chicago)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Asheville (NC)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Bowling Green (KY)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Daytona Beach (FL)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Riverside (CA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWichita (KS)Winston-Salem (NC) More Locations
United States weather

Weather in Cook County, Illinois for June 2026

Your guide to Cook County weather in June - trends and predictions

    Official Weather Alert ⚠️

  • Hydrologic Outlook - See hour by hour.

    • Temperatures

  • Until now, June 2026 in Cook County has been nearly identical to the historical average, with a temperature of 22.7 °F (showing only a slight deviation of 0 °F).

  • The forecast for the next days in Cook County predicts temperatures to be around 24 °F, close to the historical average.

  • In general, the average temperature in Cook County at the beginning of June is 21.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 25.1 °F by the end of June.

    • Rain 🌧️

  • Cook County experiences heavy rainfall in June, with over 20 rainy days and an average total precipitation 183.3 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
9
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/17°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Cook County Weather June

Move between months or click on a day
May
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Partly cloudy
20°
2
Partly cloudy
22°
3
Sunny
24°
4
Sunny
23°
5
Sunny
22°
6
Moderate or heavy rain shower
21°
7
Partly cloudy
20°
8
Moderate or heavy rain shower
21°
9
Partly cloudy
23°
10
Partly cloudy
22°
11
Overcast
24°
12
Overcast
22°
13
Moderate or heavy rain shower
24°
14
Sunny
22°
15
Sunny
24°
16
Sunny
24°
17
Sunny
26°
18
Moderate or heavy rain shower
24°
19
Patchy rain possible
25°
20
Weather Alert Sunny
26°
21
Heavy rain
19°
22
Partly cloudy
19°
23
Sunny
21°
24
Patchy rain possible
25°
25
Patchy rain possible
26°
26
Sunny
23°
27
Moderate rain
27°
28
Patchy rain possible
22°
29
Moderate rain
27°
30
Heavy rain
26°

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

Click on a date for more information
May July
Date Weather Temperatures Rain UV More
Jun. 1 Partly cloudy
Partly cloudy
 20° /12° 2.3 mm 6
Jun. 2 Partly cloudy
Partly cloudy
 22° /14° 0.1 mm 6
Jun. 3 Sunny
Sunny
 24° /15° 1.4 mm 7
Jun. 4 Sunny
Sunny
 23° /16° 10.5 mm 6
Jun. 5 Sunny
Sunny
 22° /16° 4.3 mm 6
Jun. 6 Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /15° 6.2 mm 6
Jun. 7 Partly cloudy
Partly cloudy
 20° /15° 2.4 mm 6
Jun. 8 Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /15° 8.2 mm 5
Jun. 9 Partly cloudy
Partly cloudy
 23° /15° 1.2 mm 5
Jun. 10 Partly cloudy
Partly cloudy
 22° /15° 1.5 mm 6
Jun. 11 Overcast
Overcast
 24° /15° 7.6 mm 6
Jun. 12 Overcast
Overcast
 22° /14° 0.1 mm 6
Jun. 13 Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /16° 9.7 mm 7
Jun. 14 Sunny
Sunny
 22° /15° 2.5 mm 6
Jun. 15 Sunny
Sunny
 24° /16° 0 mm 7
Jun. 16 Sunny
Sunny
 24° /16° 1.8 mm 7
Jun. 17 Sunny
Sunny
 26° /16° 23 mm 8
Jun. 18 Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /18° 15 mm 7
Jun. 19 Patchy rain possible
Patchy rain possible
 25° /17° 0.6 mm 7
Jun. 20 Sunny
Sunny
 26° /15° 0 mm 9.1
Jun. 21 Heavy rain
Heavy rain
 19° /15° 32.4 mm 3.3
Jun. 22 Partly cloudy
Partly cloudy
 19° /15° 0.1 mm 8.6
Jun. 23 Sunny
Sunny
 21° /15° 0 mm 6.8
Jun. 24 Patchy rain possible
Patchy rain possible
 25° /15° 3.4 mm 0.6
Jun. 25 Patchy rain possible
Patchy rain possible
 26° /17° 0.3 mm 5
Jun. 26 Sunny
Sunny
 23° /16° 0 mm 5
Jun. 27 Moderate rain
Moderate rain
 27° /16° 6.1 mm 4
Jun. 28 Patchy rain possible
Patchy rain possible
 22° /16° 1.2 mm 4
Jun. 29 Moderate rain
Moderate rain
 27° /20° 19.5 mm 5
Jun. 30 Heavy rain
Heavy rain
 26° /20° 36.7 mm 5
Next
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.
Change Month
‹
›

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 24° and lows near 17°, suitable for diverse activities and preferences.

How much rainfall should be expected in Cook County during June?

Significant rainfall exceeding 183.3 mm is expected in Cook County during June, occurring over more than 21 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 19 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 💧
Typically, Cook County has 21 rainy days in June with a total of 183.3 mm of rainfall.

UV exposure in Cook County during June

Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
Top locations in Cook County
Select a location for an accurate weather forecast
Chicago
More Locations

Quick links

More Cook County weather pages
You are here
Location coordinates Where is Cook County?

Get accurate weather forecasts for Cook County, located at latitude 41.85 and longitude -87.65. Stay updated with localized weather information tailored for Cook County.

Found a mistake?
We appreciate your attention to details. Tell us here.