Chicago (IL)
Today
Today weather in Chicago
Wednesday, August 12th, 2026
28°
Sunny
Low 21°
Chicago will have a warm day Today with temperatures ascending to 28 °F and descending to around 20 °F after sunset. Gentle breezes are expected across Chicago Today, with speeds reaching around 9 km/h. Heavy showers are forecasted, reaching up to 13.7 mm. Given the warmth, it might feel a bit stifling.
28° / 21°
Temp
79%
Rain
9 km/h
Wind
82%
Humidity
Chicago Weather Pages
Chicago hourly forecast for today
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| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 05:55 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 | 07:55 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  |  | |  | | |  |  | | |  |  | | | | | | | | | |  | | | | | Next |
| temperatures | 22° | 21.8° | 21.8° | 21.3° | 21.1° | 21° | Sunrise | 20.8° | 21.7° | 22.2° | 23.3° | 23.6° | 23.8° | 24.9° | 26.4° | 28° | 27.8° | 28° | 27.5° | 26.8° | 25.5° | Sunset | 24.3° | 23.8° | 23.6° | 23.3° | |
| Feels like | 24.5° | 25° | 24.1° | 23.9° | 23.5° | 23.9° | 23.5° | 25.2° | 25° | 26.6° | 26.5° | 26.1° | 27.2° | 28.3° | 29.3° | 29.1° | 29.4° | 29° | 28.5° | 28.3° | 27.7° | 27.2° | 26.6° | 26.2° | |||
| wind speed | 7 km/h | 6 km/h | 10 km/h | 7 km/h | 7 km/h | 5 km/h | 5 km/h | 4 km/h | 8 km/h | 5 km/h | 7 km/h | 9 km/h | 8 km/h | 3 km/h | 4 km/h | 3 km/h | 1 km/h | 2 km/h | 3 km/h | 4 km/h | 4 km/h | 4 km/h | 6 km/h | 6 km/h | |||
| wind degree | 100° | 174° | 240° | 219° | 126° | 183° | 44° | 305° | 253° | 274° | 268° | 229° | 215° | 277° | 307° | 315° | 267° | 269° | 326° | 342° | 357° | 19° | 53° | 80° | |||
| wind direction | E | S | WSW | SW | SE | S | NE | NW | WSW | W | W | SW | SW | W | NW | NW | W | W | NW | NNW | N | NNE | NE | E | |||
| Precipitation | 0 mm | 9.3 mm | 3.4 mm | 0.4 mm | 0.1 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0.4 mm | 0 mm | 0 mm | 0.1 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 14% | 91% | 87% | 60% | 42% | 22% | 22% | 31% | 31% | 20% | 47% | 12% | 8% | 19% | 4% | 4% | 4% | 4% | 15% | 18% | 11% | 12% | 12% | 12% | |||
| 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 | 91% | 96% | 95% | 95% | 94% | 95% | 95% | 96% | 94% | 88% | 86% | 81% | 75% | 68% | 59% | 59% | 59% | 63% | 68% | 75% | 81% | 84% | 85% | 86% | |||
| dew point | 20.4° | 21.2° | 21° | 20.4° | 20.2° | 20.1° | 20° | 21° | 21.3° | 21.3° | 21° | 20.4° | 20.2° | 20° | 19.2° | 19° | 19.4° | 19.8° | 20.3° | 20.8° | 20.9° | 20.9° | 20.9° | 20.9° | |||
| visibility | 9 km | 9 km | 2 km | 2 km | 0 km | 0 km | 0 km | 2 km | 2 km | 10 km | 9 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 | 4% | 88% | 81% | 80% | 84% | 6% | 7% | 70% | 75% | 62% | 72% | 31% | 17% | 77% | 17% | 11% | 8% | 10% | 86% | 82% | 16% | 14% | 11% | 5% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.6 | 1.9 | 2.5 | 4.1 | 5 | 5.6 | 5.9 | 3.7 | 3.1 | 1.6 | 0.6 | 0.1 | 0 | 0 | 0 | 0 |
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View of Chicago today
Explore Chicago live webcam feed to see how the weather is shaping up today in Chicago. See what people are wearing, check out the sky, and get a sense of the atmosphere before you step outside.
Stay informed and make the most of your day with our live weather updates from Chicago today.
Weather in Chicago today
The temperature today in Chicago is expected to be typical for this time of year, with a forecast of 28 °F, closely aligning with the historical average for August 12th.
temperatures
28 °F
rain
13.7 mm
wind
9 km/h
UV
High
🌫️ Air quality, UV & pollen - Chicago Live AQI, UV index and pollen levels. Air Quality →
Chicago Today Weather Indexes for Outdoor Activities & Health
Live indexes for outdoor activities, pollen allergies, air quality (AQI), UV index and health in Chicago - Wednesday, August 12th, 2026
UV Sun Exposure Risk
Moderate
4 / 11+
Air Quality Index (AQI)
Excellent
10 / 10
Pollen Allergy Risk
Very High
10 / 10
Asthma Risk Index
Low
3 / 10
Arthritis Pain Index
Low
3 / 10
Outdoor Activity Index
Excellent
10 / 10
Running & Jogging Index
Good
7 / 10
Cycling Weather Index
Excellent
10 / 10
Pet Walking Index
Excellent
10 / 10
Fishing Conditions Index
Excellent
9 / 10
Gardening Weather Index
Excellent
10 / 10
Photography Light Index
Excellent
10 / 10
Driving & Road Safety
Excellent
10 / 10
Construction Work Index
Excellent
10 / 10
Chicago daylight overview ☀️
Today in Chicago, The sun rises at 05:55 and sets at 19:55, giving a total daylight duration of 14 hours.
Quick links
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What to wear today in Chicago? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Chicago forecast.
Short-sleeve shirt
Shorts
Lightweight pants
Sunglasses
Wide brimmed hat
Sunscreen
Umbrella
The weather today in Chicago - FAQ
What is the maximum temperature for today in Chicago?
The maximum temperature for today in Chicago is expected to be 28° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Chicago? 🌧️
Yes, there is a 79% chance of rain in Chicago today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Chicago? 🌀
The wind in Chicago is expected to blow at 9 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Chicago today?
Given the forecast of 28 °F with a 79% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Chicago today.
What is the sunrise and sunset time for Chicago today?
The sun is expected to rise at 05:55 and set at 19:55 in Chicago.
How accurate is the weather forecast Chicago today? ✅
Chicago weather forecast for today 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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