Weather forecast for 10 daysMattoon, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphS 170°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:06 am CDT
- Sunset: 6:10 pm CDT
- details ▼
On Sunday, in Mattoon, sunshine is forecasted under mostly clear skies.
Temperatures will see a substantial oscillation, reaching a high of an enjoyable 64.4°F and dropping to a low of a wintry 37.4°F.
Tomorrow's maximum temperature is expected to reflect the standard October high of 63.9°F.
Sunrise will be at 7:06 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 4min.
Temperatures will see a substantial oscillation, reaching a high of an enjoyable 64.4°F and dropping to a low of a wintry 37.4°F.
Tomorrow's maximum temperature is expected to reflect the standard October high of 63.9°F.
Sunrise will be at 7:06 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 4min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 79°C.
Coldest day: tomorrow 64°C.
Coldest day: tomorrow 64°C.
Chance of precipitation
Highest chance: Wednesday - Saturday 5%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSE 133°
- Humidity: 68%
- UV index: 0
- Sunrise: 7:05 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphS 170°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:06 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 41°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSE 146°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 43°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphENE 78°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:08 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphESE 112°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphNE 45°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:04 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 45°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphE 98°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 45°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSE 130°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphS 185°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:00 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 46°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphENE 63°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 5:59 pm CDT
- details ▼
During the upcoming ten-day period, a combination of bright and dull weather is anticipated.
Rain is not forecasted in Mattoon in the upcoming period.
Expect a substantial fluctuation in daytime highs across the forecast period. Maximum temperatures are forecasted between 64.4°F and 78.8°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 35.6°F and 50°F.
Next Sunday will be the warmest day, with a maximum temperature of 78.8°F; with the highest temperature of 64.4°F, Sunday will be the coldest day.
Rain is not forecasted in Mattoon in the upcoming period.
Expect a substantial fluctuation in daytime highs across the forecast period. Maximum temperatures are forecasted between 64.4°F and 78.8°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 35.6°F and 50°F.
Next Sunday will be the warmest day, with a maximum temperature of 78.8°F; with the highest temperature of 64.4°F, Sunday will be the coldest day.
Updated: Oct 17, 2026 @ 22:40:24 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
On Sunday, in Mattoon, expect bright skies and plenty of sunshine.
Tomorrow, the maximum temperature in Mattoon will be 64.4°F, while the minimum temperature will be 37.4°F.
The highest temperature will be in line with the average maximum of 63.9°F in October. The lowest temperature will be significantly lower than the average low of 48.2°F.
The highest temperature will be in line with the average maximum of 63.9°F in October. The lowest temperature will be significantly lower than the average low of 48.2°F.
On Sunday, in Mattoon, sunrise will be at 7:06 am and sunset at 6:10 pm (CDT).
In Mattoon, the length of the day tomorrow will be 11h and 4min.
