Illinois (Chicago)
Tomorrow
Tomorrow weather in Illinois
Saturday, June 27th, 2026
23°
Partly cloudy
The weather tomorrow in Illinois will be similar like today, with max temperatures of 23°.
The humidity in Illinois will continue to be high and expected to go over 81%.
23° / 18°
Temp
20%
Rain
14 km/h
Wind
81%
Humidity
Illinois Tomorrow's Weather Forecast
Click on a location for more weather information
Illinois Weather Pages
Illinois hourly forecast for tomorrow
Scroll right to see more weather forecasts for Illinois tomorrow
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 05:17 AM | 06:00 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 08:00 PM | 08:29 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather | Next | ||||||||||||||||||||||||||
| temperatures | 18.1° | 18.4° | 18.5° | 18.5° | 18.6° | 18.6° | Sunrise | 19° | 19.3° | 19.4° | 19.7° | 20.3° | 20.8° | 21.7° | 22.2° | 22.5° | 22.9° | 23° | 22.8° | 22.4° | 21.7° | 21.1° | Sunset | 20.6° | 20.5° | 20.4° | |
| feels like | 18.1° | 18.4° | 18.5° | 18.5° | 18.6° | 18.6° | 19° | 19.3° | 19.4° | 19.7° | 20.3° | 20.8° | 21.7° | 24.2° | 24.6° | 24.8° | 25° | 24.9° | 24.7° | 21.7° | 21.1° | 20.7° | 20.5° | 20.4° | |||
| wind speed | 12 km/h | 13 km/h | 13 km/h | 13 km/h | 12 km/h | 12 km/h | 13 km/h | 13 km/h | 13 km/h | 13 km/h | 13 km/h | 13 km/h | 13 km/h | 13 km/h | 13 km/h | 14 km/h | 13 km/h | 12 km/h | 13 km/h | 14 km/h | 12 km/h | 14 km/h | 11 km/h | 9 km/h | |||
| wind degree | 70° | 70° | 73° | 75° | 77° | 76° | 70° | 77° | 85° | 80° | 72° | 59° | 66° | 67° | 62° | 60° | 64° | 56° | 47° | 49° | 50° | 52° | 65° | 74° | |||
| wind direction | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | E | E | ENE | ENE | ENE | ENE | ENE | ENE | ENE | NE | NE | NE | NE | NE | ENE | ENE | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 11% | 26% | 27% | 24% | 12% | 14% | 14% | 25% | 16% | 22% | 23% | 14% | 14% | 17% | 16% | 13% | 11% | 12% | 12% | 11% | 19% | 16% | 19% | 25% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 84% | 87% | 88% | 86% | 87% | 91% | 91% | 90% | 90% | 89% | 87% | 85% | 75% | 71% | 71% | 70% | 69% | 70% | 72% | 74% | 77% | 79% | 81% | 84% | |||
| dew point | 15.3° | 16.2° | 16.6° | 16.3° | 16.5° | 17° | 17.3° | 17.6° | 17.9° | 17.6° | 17.8° | 18.3° | 16.5° | 17° | 17.2° | 17.2° | 17.3° | 17.4° | 17.5° | 17.2° | 16.9° | 16.7° | 16.9° | 17.4° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 3% | 82% | 92% | 83% | 0% | 2% | 6% | 73% | 27% | 70% | 79% | 27% | 69% | 90% | 86% | 70% | 59% | 62% | 55% | 46% | 85% | 65% | 78% | 97% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.4 | 0.9 | 1.7 | 2.7 | 2.9 | 4.3 | 5.1 | 5.6 | 4.5 | 3.8 | 2.6 | 1.2 | 0.3 | 0 | 0 | 0 | 0 |
Weather in Illinois tomorrow
The temperature tomorrow in Illinois is expected to be typical for this time of year, with a forecast of 23 °F, closely aligning with the historical average for June 27th.
temperatures
23 °F
rain
0.1 mm
wind
14 km/h
UV
High
Illinois Tomorrow Weather Indexes for Outdoor Activities & Health
Weather indexes for tomorrow: outdoor activities, pollen allergies, air quality (AQI), UV index and health in Illinois - Saturday, June 27th, 2026
UV Sun Exposure Risk
Very Low
2 / 11+
Air Quality Index (AQI)
Excellent
10 / 10
Pollen Allergy Risk
Very High
10 / 10
Asthma Risk Index
Low
4 / 10
Arthritis Pain Index
Low
3 / 10
Outdoor Activity Index
Excellent
9 / 10
Running & Jogging Index
Excellent
8 / 10
Cycling Weather Index
Excellent
10 / 10
Pet Walking Index
Excellent
10 / 10
Fishing Conditions Index
Excellent
9 / 10
Gardening Weather Index
Excellent
9 / 10
Photography Light Index
Good
6 / 10
Driving & Road Safety
Excellent
10 / 10
Construction Work Index
Excellent
10 / 10
Illinois daylight overview ☀️
Tomorrow in Illinois, The sun rises at 05:17 and sets at 20:29, giving a total daylight duration of 15 hours and 12 minutes.
Counties in Illinois
Select a county for an accurate weather forecast
Top locations in Illinois
Select a location for an accurate weather forecast
More Locations Quick links
More Illinois weather pages
What to wear tomorrow in Illinois? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's Illinois forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
The weather tomorrow in Illinois - FAQ
What is the maximum temperature for tomorrow in Illinois?
The maximum temperature for tomorrow in Illinois is expected to be 23° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Illinois? 🌧️
Yes, there is a 20% chance of rain in Illinois tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed tomorrow in Illinois? 🌀
The wind in Illinois is expected to blow at 14 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Illinois tomorrow?
Given the forecast of 23 °F with a 20% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Illinois tomorrow.
What is the sunrise and sunset time for Illinois tomorrow?
The sun is expected to rise at 05:17 and set at 20:29 in Illinois.
How accurate is the weather forecast Illinois tomorrow? ✅
Illinois weather forecast for tomorrow is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
You are here
Get accurate weather forecasts for Illinois, located at latitude 41.85 and longitude -87.65. Stay updated with localized weather information tailored for Illinois.
Found a mistake?
We appreciate your attention to details. Tell us here.