Cook County (Chicago)
Tomorrow
Tomorrow weather in Cook County
Friday, August 7th, 2026
28°
Sunny
Feels like 31° · Low 20°
The weather tomorrow in Cook County will be much hotter than today, with temperatures rising to 28°.
The rain is expected to get stronger, the expected precipitation are 8 mm.
The humidity in Cook County will continue to be high and expected to go over 86%.
28° / 20°
Temp
81%
Rain
10 km/h
Wind
86%
Humidity
Cook County Weather Pages
Cook County hourly forecast for tomorrow
Scroll right to see more weather forecasts for Cook County tomorrow
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 05:50 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 | 08:02 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | |  | |  |  | |  |  | | | |  | | | | | | | |  |  | | | Next |
| temperatures | 21.2° | 20.6° | 20.5° | 20.5° | 20.3° | 20.2° | Sunrise | 20.2° | 20.7° | 21.5° | 22.6° | 23.8° | 26.1° | 27.1° | 27.5° | 28.1° | 28.2° | 27.4° | 27.2° | 26.6° | 25.7° | 24.6° | Sunset | 24.1° | 23.9° | 23.6° | |
| Feels like | 23.1° | 22.6° | 22.5° | 22.7° | 22.1° | 22.4° | 22.3° | 22.9° | 23.9° | 25.3° | 27° | 28.7° | 29.1° | 29.6° | 30.4° | 30.6° | 29.7° | 29.6° | 29.2° | 29.2° | 28.7° | 28.1° | 27.4° | 27.2° | |||
| wind speed | 11 km/h | 9 km/h | 10 km/h | 8 km/h | 10 km/h | 7 km/h | 7 km/h | 8 km/h | 8 km/h | 8 km/h | 6 km/h | 3 km/h | 6 km/h | 7 km/h | 6 km/h | 5 km/h | 3 km/h | 3 km/h | 3 km/h | 3 km/h | 5 km/h | 5 km/h | 8 km/h | 7 km/h | |||
| wind degree | 193° | 200° | 195° | 191° | 182° | 201° | 199° | 193° | 209° | 216° | 203° | 147° | 153° | 159° | 172° | 153° | 183° | 158° | 177° | 186° | 205° | 229° | 281° | 280° | |||
| wind direction | SSW | SSW | SSW | SSW | S | SSW | SSW | SSW | SSW | SW | SSW | SSE | SSE | SSE | S | SSE | S | SSE | S | S | SSW | SW | WNW | W | |||
| Precipitation | 1.1 mm | 1.1 mm | 0.7 mm | 0.3 mm | 0 mm | 0.2 mm | 0 mm | 0 mm | 0.8 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0.5 mm | 1.3 mm | 0.7 mm | 0.6 mm | 0.7 mm | 0 mm | 0.4 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 67% | 68% | 68% | 52% | 42% | 40% | 27% | 27% | 63% | 26% | 21% | 9% | 6% | 38% | 57% | 45% | 48% | 48% | 10% | 49% | 13% | 13% | 14% | 14% | |||
| 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 | 97% | 98% | 98% | 97% | 97% | 97% | 97% | 96% | 94% | 91% | 85% | 75% | 70% | 69% | 67% | 66% | 72% | 74% | 78% | 84% | 88% | 90% | 91% | 93% | |||
| dew point | 20.7° | 20.2° | 20.2° | 20.1° | 19.9° | 19.7° | 19.6° | 20° | 20.5° | 21.1° | 21.2° | 21.4° | 21.3° | 21.3° | 21.3° | 21.3° | 21.9° | 22.3° | 22.5° | 22.8° | 22.5° | 22.4° | 22.4° | 22.3° | |||
| visibility | 10 km | 10 km | 9 km | 9 km | 0 km | 9 km | 2 km | 2 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 9 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 56% | 55% | 86% | 84% | 100% | 72% | 51% | 55% | 68% | 78% | 76% | 19% | 15% | 74% | 74% | 86% | 87% | 74% | 20% | 80% | 10% | 4% | 3% | 4% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 0.9 | 1.5 | 2 | 6 | 7.4 | 7.9 | 7.1 | 5.3 | 3 | 1.6 | 0.7 | 0.2 | 0 | 0 | 0 | 0 |
Weather in Cook County tomorrow
The temperature tomorrow in Cook County is expected to be typical for this time of year, with a forecast of 28 °F, closely aligning with the historical average for August 7th.
temperatures
28 °F
rain
8.4 mm
wind
10 km/h
UV
Very High
🌫️ Air quality, UV & pollen - Cook County Live AQI, UV index and pollen levels. Air Quality →
Cook County Tomorrow Weather Indexes for Outdoor Activities & Health
Weather indexes for tomorrow: outdoor activities, pollen allergies, air quality (AQI), UV index and health in Cook County - Friday, August 7th, 2026
UV Sun Exposure Risk
Very High
8 / 11+
Air Quality Index (AQI)
Excellent
8 / 10
Pollen Allergy Risk
High
8 / 10
Asthma Risk Index
Moderate
5 / 10
Arthritis Pain Index
Low
3 / 10
Outdoor Activity Index
Good
6 / 10
Running & Jogging Index
Poor
3 / 10
Cycling Weather Index
Fair
5 / 10
Pet Walking Index
Good
6 / 10
Fishing Conditions Index
Excellent
10 / 10
Gardening Weather Index
Excellent
10 / 10
Photography Light Index
Good
6 / 10
Driving & Road Safety
Good
7 / 10
Construction Work Index
Fair
5 / 10
Cook County daylight overview ☀️
Tomorrow in Cook County, The sun rises at 05:50 and sets at 20:02, giving a total daylight duration of 14 hours and 12 minutes.
Top locations in Cook County
Select a location for an accurate weather forecast
More Locations Quick links
More Cook County weather pages
What to wear tomorrow in Cook County? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's Cook County forecast.
Short-sleeve shirt
Shorts
Lightweight pants
Sunglasses
Wide brimmed hat
Sunscreen
Umbrella
The weather tomorrow in Cook County - FAQ
What is the maximum temperature for tomorrow in Cook County?
The maximum temperature for tomorrow in Cook County is expected to be 28° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Cook County? 🌧️
Yes, there is a 81% chance of rain in Cook County tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed tomorrow in Cook County? 🌀
The wind in Cook County is expected to blow at 10 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Cook County tomorrow?
Given the forecast of 28 °F with a 81% 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 Cook County tomorrow.
What is the sunrise and sunset time for Cook County tomorrow?
The sun is expected to rise at 05:50 and set at 20:02 in Cook County.
How accurate is the weather forecast Cook County tomorrow? ✅
Cook County 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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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.
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