Weather forecast for 10 daysChatham, IL
Weather forecast for the weekend
Saturday Oct 17, 2026
- 59°F
- 37°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 173°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:16 pm CDT
- details ▼
On Saturday, in Chatham, the outlook remains bright and sunny.
The temperature variation is predicted to range from a maximum of a refreshing 59°F to a minimum of a wintry 37.4°F.
Anticipated temperatures are trending a couple of degrees lower than October's climate norm of 64.2°F.
Sunrise was at 7:11 am and sunset will be at 6:16 pm; the daylight will last for 11h and 5min.
The temperature variation is predicted to range from a maximum of a refreshing 59°F to a minimum of a wintry 37.4°F.
Anticipated temperatures are trending a couple of degrees lower than October's climate norm of 64.2°F.
Sunrise was at 7:11 am and sunset will be at 6:16 pm; the daylight will last for 11h and 5min.
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphS 177°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:15 pm CDT
- details ▼
Tomorrow, in Chatham, conditions will remain bright with clear skies.
Temperatures are set to span a considerable range, with a high of a breezy 66.2°F and a low of an icy 37.4°F.
Tomorrow's maximum temperature is expected to reflect the standard October high of 64.2°F.
Sunrise will be at 7:12 am and sunset at 6:15 pm; tomorrow's daylight will last for 11h and 3min.
Temperatures are set to span a considerable range, with a high of a breezy 66.2°F and a low of an icy 37.4°F.
Tomorrow's maximum temperature is expected to reflect the standard October high of 64.2°F.
Sunrise will be at 7:12 am and sunset at 6:15 pm; tomorrow's daylight will last for 11h and 3min.
10-day overview
Daily temperatures
Warmest period: Thursday - Sunday 79°C.
Coldest day: today 59°C.
Coldest day: today 59°C.
Chance of precipitation
Highest chance: Monday 26.10. 9%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 59°F
- 37°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 173°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphS 177°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 39°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSSE 164°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 45°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphSE 132°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 45°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphS 186°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 79°F
- 45°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphSSE 148°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 79°F
- 46°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSE 126°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSSE 148°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSSW 205°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 52°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 6mphS 173°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:04 pm CDT
- details ▼
Over the next ten days, conditions will reflect that a combination of dry and sunny and cloud-filled weather is forecasted.
Rainfall is not predicted in Chatham in the upcoming days.
Temperature differences will be noticeable throughout the forecast window. The maximum temperature will vary between 59°F and 78.8°F, while the nightly low temperatures will show also a considerable swing, as the minimum temperature is expected to range between 37.4°F and 51.8°F.
Thursday through next Sunday, with the highest temperature of 78.8°F, will be the warmest days in Chatham; today is the coldest day, with a maximum temperature of 59°F.
Rainfall is not predicted in Chatham in the upcoming days.
Temperature differences will be noticeable throughout the forecast window. The maximum temperature will vary between 59°F and 78.8°F, while the nightly low temperatures will show also a considerable swing, as the minimum temperature is expected to range between 37.4°F and 51.8°F.
Thursday through next Sunday, with the highest temperature of 78.8°F, will be the warmest days in Chatham; today is the coldest day, with a maximum temperature of 59°F.
Updated: Oct 17, 2026 @ 16:05:51 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, sunshine and minimal clouds are in the outlook.
Today, the maximum temperature will be 59°F, while the minimum temperature will be 37.4°F.
The highest temperature today will be moderately lower than the average maximum temperature in October. Today, the lowest temperature will be significantly lower than the average low of 48.2°F.
The highest temperature today will be moderately lower than the average maximum temperature in October. Today, the lowest temperature will be significantly lower than the average low of 48.2°F.
On Saturday, in Chatham, sunrise was at 7:11 am and sunset will be at 6:16 pm (CDT).
In Chatham, the length of the day today will be 11h and 5min.
On Sunday, in Chatham, bright and sunny weather is expected.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
The highest temperature will be in line with the average maximum of 64.2°F in October. The lowest temperature will be uncommonly lower than the average low of 48.2°F.
The highest temperature will be in line with the average maximum of 64.2°F in October. The lowest temperature will be uncommonly lower than the average low of 48.2°F.
On Sunday, in Chatham, sunrise will be at 7:12 am and sunset at 6:15 pm (CDT).
In Chatham, Illinois, tomorrow, there will be 11h and 3min of daylight.





