Weather forecast for 10 daysMattoon, IL
Weather forecast for the weekend
Saturday Oct 17, 2026
- 57°F
- 36°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNE 39°
- Humidity: 41%
- UV index: 4
- Sunrise: 7:05 am CDT
- Sunset: 6:11 pm CDT
- details ▼
On Saturday, October 17, sunshine is expected with little to no cloud cover.
Temperatures are forecasted to range from a maximum of a moderate 57.2°F to a minimum of a wintry 35.6°F.
Today’s expected high is set to be a few degrees lower than October's regular high of 63.9°F.
Sunrise was at 7:05 am and sunset will be at 6:11 pm; the daylight will last for 11h and 6min.
Temperatures are forecasted to range from a maximum of a moderate 57.2°F to a minimum of a wintry 35.6°F.
Today’s expected high is set to be a few degrees lower than October's regular high of 63.9°F.
Sunrise was at 7:05 am and sunset will be at 6:11 pm; the daylight will last for 11h and 6min.
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphS 170°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:06 am CDT
- Sunset: 6:10 pm CDT
- details ▼
Tomorrow, a sun-drenched sky is also anticipated.
A stark contrast will be observed between the day's peak temperature of a comfortable 66.2°F and the night's low of an icy 37.4°F.
Tomorrow's forecasted high will be in line with October's typical peak 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.
A stark contrast will be observed between the day's peak temperature of a comfortable 66.2°F and the night's low of an icy 37.4°F.
Tomorrow's forecasted high will be in line with October's typical peak 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: today 57°C.
Coldest day: today 57°C.
Chance of precipitation
Highest chance: 5%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 57°F
- 36°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNE 39°
- Humidity: 41%
- UV index: 4
- Sunrise: 7:05 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphS 170°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:06 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 41°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSSE 152°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 43°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphE 90°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:08 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 43°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSSE 163°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 45°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphE 91°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:04 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 46°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphESE 107°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSE 136°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 52°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphS 189°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:00 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphS 185°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 5:59 pm CDT
- details ▼
Conditions over the next ten days suggest that a combination of clear and overcast weather is anticipated.
Rainfall is not forecasted in Mattoon in the upcoming period.
Expect a substantial fluctuation in daytime highs across the forecast period. Highs will range from 57.2°F to 78.8°F, while the variation in nighttime lows will be also notably wide, as the overnight lows will vary from 35.6°F to 51.8°F.
Next Sunday will be the warmest day, with a maximum temperature of 78.8°F; today is the coldest day, with a maximum temperature of 57.2°F.
Rainfall is not forecasted in Mattoon in the upcoming period.
Expect a substantial fluctuation in daytime highs across the forecast period. Highs will range from 57.2°F to 78.8°F, while the variation in nighttime lows will be also notably wide, as the overnight lows will vary from 35.6°F to 51.8°F.
Next Sunday will be the warmest day, with a maximum temperature of 78.8°F; today is the coldest day, with a maximum temperature of 57.2°F.
Updated: Oct 17, 2026 @ 19:10:28 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
Tomorrow, skies will stay clear and sunny.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature will be noticeably lower than the average low of 48.2°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature will be noticeably 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, tomorrow, there will be 11h and 4min of daylight.
