Weather forecast for tomorrowHarmon, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 14mphSSW 198°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:12 pm CDT
- details ▼
Tomorrow, on Sunday, sunshine will likely continue with scattered clouds at most.
A significant variation in temperature is predicted, ranging from a high of a comfortable 66.2°F to a low of a cold 39.2°F.
Tomorrow, the predicted temperature will be a couple of degrees higher than the standard October high of 60.6°F.
Sunrise will be at 7:14 am and sunset at 6:12 pm; tomorrow's daylight will last for 10h and 58min.
A significant variation in temperature is predicted, ranging from a high of a comfortable 66.2°F to a low of a cold 39.2°F.
Tomorrow, the predicted temperature will be a couple of degrees higher than the standard October high of 60.6°F.
Sunrise will be at 7:14 am and sunset at 6:12 pm; tomorrow's daylight will last for 10h and 58min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 3%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSW 191°
- Humidity: 73%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSW 197°
- Humidity: 76%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSW 194°
- Humidity: 77%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphS 191°
- Humidity: 78%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:14 am
- 8 am
- 41°F
- Feels like:37°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSSW 193°
- Humidity: 77%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 198°
- Humidity: 57%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSSW 201°
- Humidity: 43%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSSW 204°
- Humidity: 39%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 196°
- Humidity: 39%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphS 181°
- Humidity: 45%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:12 pm
- 8 pm
- 54°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 177°
- Humidity: 57%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:46°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphS 180°
- Humidity: 68%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, clear skies and sunny weather are expected.
The temperature will vary between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature will be relatively higher than October's average maximum of 60.6°F. Forecasts indicate a night temperature also a couple of degrees lower than the usual October minimum of 44.6°F.
The temperature will vary between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature will be relatively higher than October's average maximum of 60.6°F. Forecasts indicate a night temperature also a couple of degrees lower than the usual October minimum of 44.6°F.
Updated: Oct 17, 2026 @ 18:29:54 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, expect consistent sunshine and open skies.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 39.2°F.
Tomorrow, the highest temperature will be a few degrees higher than the average maximum temperature in October. The lowest temperature tomorrow will be also slightly cooler than the average low temperature.
Tomorrow, the highest temperature will be a few degrees higher than the average maximum temperature in October. The lowest temperature tomorrow will be also slightly cooler than the average low temperature.
On Sunday, in Harmon, sunrise will be at 7:14 am and sunset at 6:12 pm (CDT).
In Harmon, the length of the day tomorrow will be 10h and 58min.
