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, sunny skies are also in store, with excellent visibility.
Significant variations in temperature are forecasted, peaking at a comfortable 66.2°F and dropping to a low of a wintry 39.2°F.
The highest temperature for tomorrow is forecasted to be a few degrees higher than the average October temperature 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.
Significant variations in temperature are forecasted, peaking at a comfortable 66.2°F and dropping to a low of a wintry 39.2°F.
The highest temperature for tomorrow is forecasted to be a few degrees higher than the average October temperature 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: 76%
- 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: 12mphSSW 204°
- Humidity: 39%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:64°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:52°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: 67%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, sunshine is expected.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 64.4°F. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the temperature is expected to be a few degrees higher than October's normal maximum of 60.6°F. Tomorrow, the low will be also relatively lower than the usual October value of 44.6°F.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 64.4°F. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the temperature is expected to be a few degrees higher than October's normal maximum of 60.6°F. Tomorrow, the low will be also relatively lower than the usual October value of 44.6°F.
Updated: Oct 17, 2026 @ 17:34:58 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 are expected to be clear and full of sunshine.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 39.2°F.
The maximum temperature will be slightly warmer than the average highest temperature of 60.6°F in October. Tomorrow, the lowest temperature will be also slightly cooler than the average low temperature.
The maximum temperature will be slightly warmer than the average highest temperature of 60.6°F in October. Tomorrow, the lowest temperature 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).
Tomorrow, the daylight will last for 10h and 58min.





