Chicago (IL)
Tomorrow
Tomorrow weather in Chicago
Tuesday, April 21st, 2026
20°
Patchy rain possible
The weather tomorrow in Chicago will be much hotter than today, with temperatures rising to 19°.
The rain will visit again tomorrow in Chicago and the expected precipitation are 3 mm.
The wind tomorrow will get stronger and reach 24 km/h.
20° / 10°
Temp
84%
Rain
24 km/h
Wind
72%
Humidity
Chicago Weather Pages
Chicago hourly forecast for tomorrow
Scroll right to see more weather forecasts for Chicago tomorrow
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 06:01 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 | 07:39 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | |  | | |  |  | |  |  | | | |  | | | | | |  |  | |  | | Next |
| temperatures | 9.7° | 9.7° | 9.8° | 9.9° | 9.9° | 9.9° | 10.2° | Sunrise | 10.9° | 12.2° | 13.5° | 14.8° | 16.3° | 17.6° | 18.6° | 19.2° | 19° | 18.1° | 17.2° | 16.7° | 16.2° | Sunset | 15.8° | 15.5° | 15.2° | 14.7° | |
| feels like | 7.2° | 7.2° | 7.2° | 7.2° | 7.2° | 7.2° | 7.5° | 8.5° | 10.1° | 11.7° | 14° | 15.9° | 17.4° | 18.5° | 19.1° | 19° | 18° | 17.2° | 16.6° | 16.2° | 15.8° | 15.5° | 15.1° | 14.7° | |||
| wind speed | 19 km/h | 19 km/h | 19 km/h | 19 km/h | 21 km/h | 20 km/h | 20 km/h | 21 km/h | 21 km/h | 21 km/h | 21 km/h | 22 km/h | 23 km/h | 24 km/h | 25 km/h | 25 km/h | 20 km/h | 18 km/h | 16 km/h | 13 km/h | 11 km/h | 9 km/h | 8 km/h | 8 km/h | |||
| wind degree | 178° | 186° | 190° | 191° | 195° | 197° | 200° | 203° | 207° | 218° | 220° | 225° | 227° | 229° | 235° | 243° | 250° | 254° | 253° | 246° | 245° | 248° | 252° | 258° | |||
| wind direction | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | |||
| 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 | 0.4 mm | 0.2 mm | 0.3 mm | 1.1 mm | 0.4 mm | 0.1 mm | 0.2 mm | 0.2 mm | 0.1 mm | 0 mm | |||
| chance for rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 66% | |||
| 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 | 51% | 58% | 66% | 71% | 73% | 75% | 77% | 76% | 72% | 67% | 64% | 60% | 56% | 54% | 55% | 58% | 65% | 77% | 85% | 87% | 90% | 92% | 94% | 95% | |||
| dew point | 0.1° | 2° | 3.7° | 4.8° | 5.3° | 5.7° | 6° | 6.5° | 6.9° | 7.5° | 8° | 8.5° | 8.9° | 9.5° | 10.3° | 11.4° | 12.1° | 13.1° | 13.8° | 14° | 14.1° | 14.2° | 14.2° | 14° | |||
| 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 | 5 km | 10 km | 10 km | 9 km | 10 km | 10 km | 2 km | 5 km | 2 km | 2 km | |||
| cloud cover | 13% | 23% | 9% | 6% | 100% | 8% | 7% | 9% | 14% | 35% | 90% | 32% | 9% | 17% | 75% | 100% | 100% | 100% | 100% | 100% | 100% | 83% | 65% | 72% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.8 | 1.7 | 3.1 | 4.3 | 5.4 | 5.7 | 4.8 | 3.5 | 1 | 0.3 | 0.1 | 0 | 0 | 0 | 0 | 0 |
Weather in Chicago tomorrow
The weather in Chicago tomorrow is expected to be much warmer than usual, with a forecast temperature of 20 °F, compared to an average of 12.8 °F for April 21st in recent years.
temperatures
20 °F
rain
3.1 mm
wind
24 km/h
UV
High
Chicago Tomorrow Weather Indexes for Outdoor Activities & Health
Weather indexes for tomorrow: outdoor activities, pollen allergies, air quality (AQI), UV index and health in Chicago - Tuesday, April 21st, 2026
UV Sun Exposure Risk
Moderate
6 / 11+
Air Quality Index (AQI)
Excellent
10 / 10
Pollen Allergy Risk
Very Low
2 / 10
Asthma Risk Index
Very Low
0 / 10
Arthritis Pain Index
Low
3 / 10
Outdoor Activity Index
Excellent
8 / 10
Running & Jogging Index
Good
7 / 10
Cycling Weather Index
Fair
5 / 10
Pet Walking Index
Excellent
9 / 10
Fishing Conditions Index
Excellent
9 / 10
Gardening Weather Index
Excellent
10 / 10
Photography Light Index
Excellent
8 / 10
Driving & Road Safety
Good
7 / 10
Construction Work Index
Excellent
8 / 10
Chicago daylight overview ☀️
Tomorrow in Chicago, The sun rises at 06:01 and sets at 19:39, giving a total daylight duration of 13 hours and 38 minutes.
Quick links
More Chicago weather pages
What to wear tomorrow in Chicago? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's Chicago forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
Umbrella
The weather tomorrow in Chicago - FAQ
What is the maximum temperature for tomorrow in Chicago?
The maximum temperature for tomorrow in Chicago is expected to be 20° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Chicago? 🌧️
Yes, there is a 84% chance of rain in Chicago tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed tomorrow in Chicago? 🌀
The wind in Chicago is expected to blow at 24 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Chicago tomorrow?
Given the forecast of 20 °F with a 84% 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 Chicago tomorrow.
What is the sunrise and sunset time for Chicago tomorrow?
The sun is expected to rise at 06:01 and set at 19:39 in Chicago.
How accurate is the weather forecast Chicago tomorrow? ✅
Chicago 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.
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