Weather forecast for tomorrowMattoon, WI
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 37°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphSW 220°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:16 am CDT
- Sunset: 6:06 pm CDT
- details ▼
Tomorrow, on Sunday, sunshine will take center stage, with just faint traces of clouds.
Considerable temperature fluctuations from a high of a breezy 64.4°F to a low of an icy 37.4°F are predicted.
Tomorrow, the expected temperature appears higher and closer to September's norm of 70°F.
Sunrise will be at 7:16 am and sunset at 6:06 pm; tomorrow's daylight will last for 10h and 50min.
Considerable temperature fluctuations from a high of a breezy 64.4°F to a low of an icy 37.4°F are predicted.
Tomorrow, the expected temperature appears higher and closer to September's norm of 70°F.
Sunrise will be at 7:16 am and sunset at 6:06 pm; tomorrow's daylight will last for 10h and 50min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°C.
Chance of precipitation
Highest chance: 3 am - 6 am 3%.
Hourly weather forecast
- 12 am
- 43°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphSW 222°
- Humidity: 67%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 10mphSW 227°
- Humidity: 70%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 10mphSW 223°
- Humidity: 73%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 10mphSW 221°
- Humidity: 74%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:16 am
- 8 am
- 41°F
- Feels like:36°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphSW 220°
- Humidity: 75%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphSW 221°
- Humidity: 59%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 57°F
- Feels like:54°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphSW 221°
- Humidity: 47%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 63°F
- Feels like:59°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphSW 218°
- Humidity: 41%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 15mphSW 220°
- Humidity: 40%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSW 215°
- Humidity: 46%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:06 pm
- 8 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphSW 216°
- Humidity: 63%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSW 229°
- Humidity: 69%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, mostly cloudless and sunny weather is anticipated.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 62.6°F. The feels-like temperature will vary between the lowest temperature of 33.8°F and the highest temperature of 60.8°F. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the expected high matches September's average of 70°F more than October's. Tomorrow, the night is expected to be resembling the typical October low of 40.8°F.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 62.6°F. The feels-like temperature will vary between the lowest temperature of 33.8°F and the highest temperature of 60.8°F. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the expected high matches September's average of 70°F more than October's. Tomorrow, the night is expected to be resembling the typical October low of 40.8°F.
Updated: Oct 17, 2026 @ 23:52:16 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, sun-filled skies will remain for most of the day.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 55°F in October. The lowest temperature will be in line with the average low of 40.8°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 55°F in October. The lowest temperature will be in line with the average low of 40.8°F.
On Sunday, in Mattoon, sunrise will be at 7:16 am and sunset at 6:06 pm (CDT).
In Mattoon, the length of the day tomorrow will be 10h and 50min.
