Weather forecast for tomorrowHerrin, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 131°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:07 am CDT
- Sunset: 6:14 pm CDT
- details ▼
On Sunday, in Herrin, a sun-drenched sky is also anticipated.
A substantial temperature range, peaking at an enjoyable 66.2°F and bottoming out at an icy 39.2°F, is forecasted.
The maximum temperature tomorrow is forecasted to reflect October's average high of 67.3°F.
Sunrise will be at 7:07 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 7min.
A substantial temperature range, peaking at an enjoyable 66.2°F and bottoming out at an icy 39.2°F, is forecasted.
The maximum temperature tomorrow is forecasted to reflect October's average high of 67.3°F.
Sunrise will be at 7:07 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 7min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 37°C.
Coldest hour: 6 am 37°C.
Chance of precipitation
Highest chance: 6 am 4%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphE 93°
- Humidity: 81%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphE 99°
- Humidity: 83%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphESE 103°
- Humidity: 88%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphESE 115°
- Humidity: 91%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:07 am
- 8 am
- 39°F
- Feels like:39°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphESE 112°
- Humidity: 91%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 54°F
- Feels like:52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSE 128°
- Humidity: 59%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSE 135°
- Humidity: 43%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSE 142°
- Humidity: 37%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSE 134°
- Humidity: 34%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSE 126°
- Humidity: 44%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:14 pm
- 8 pm
- 52°F
- Feels like:52°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphESE 113°
- Humidity: 64%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphESE 121°
- Humidity: 77%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, bright skies and dry conditions are anticipated.
The temperature will vary between a minimum of 37.4°F and a maximum of 66.2°F. The warmest part of the day will be around 4 pm.
The highest temperature will be alike with October's average maximum of 67.3°F. Forecast models suggest a low more alike with November's typical minimum of 38.5°F than October's usual 49.3°F.
The temperature will vary between a minimum of 37.4°F and a maximum of 66.2°F. The warmest part of the day will be around 4 pm.
The highest temperature will be alike with October's average maximum of 67.3°F. Forecast models suggest a low more alike with November's typical minimum of 38.5°F than October's usual 49.3°F.
Updated: Oct 17, 2026 @ 22:28:51 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
On Sunday, sunny conditions are expected to continue.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow will be uncommonly lower than the average low of 49.3°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow will be uncommonly lower than the average low of 49.3°F.
On Sunday, in Herrin, sunrise will be at 7:07 am and sunset at 6:14 pm (CDT).
In Herrin, tomorrow, there will be 11h and 7min of daylight.
