Weather forecast for 10 daysHarmon, IL
Weather forecast for the weekend
Saturday Oct 17, 2026
- 57°F
- 39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSW 229°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:14 pm CDT
- details ▼
On Saturday, October 17, sunshine will likely continue with scattered clouds at most.
The temperature will fluctuate from a high of a refreshing 57.2°F to a low of a wintry 39.2°F.
Today, expect the temperature to remain near October's average maximum of 60.6°F.
Sunrise was at 7:12 am and sunset will be at 6:14 pm; the daylight will last for 11h and 1min.
The temperature will fluctuate from a high of a refreshing 57.2°F to a low of a wintry 39.2°F.
Today, expect the temperature to remain near October's average maximum of 60.6°F.
Sunrise was at 7:12 am and sunset will be at 6:14 pm; the daylight will last for 11h and 1min.
Sunday Oct 18, 2026
- 66°F
- 37°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, October 18, sunshine is forecasted under mostly clear skies.
Temperature readings are expected to span from a high of a breezy 66.2°F to a low of a cold 37.4°F.
The day’s top temperature is expected to be a couple of degrees higher than the typical 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.
Temperature readings are expected to span from a high of a breezy 66.2°F to a low of a cold 37.4°F.
The day’s top temperature is expected to be a couple of degrees higher than the typical 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.
10-day overview
Daily temperatures
Warmest period: Thursday - Sunday 75°C.
Coldest day: today 57°C.
Coldest day: today 57°C.
Chance of precipitation
Highest chance: Monday 26.10. 10%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 57°F
- 39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSW 229°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 37°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 ▼
- Monday
- Oct 19, 2026
- 70°F
- 39°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphS 173°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 45°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphSE 132°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 45°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphS 177°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 46°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphESE 115°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 48°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphESE 120°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 75°F
- 50°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphSE 140°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:21 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 75°F
- 50°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSSW 207°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:22 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 72°F
- 50°F
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 6mphNE 45°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:23 am CDT
- Sunset: 6:00 pm CDT
- details ▼
A combination of sun-filled and overcast weather is predicted.
Rain is not forecasted in Harmon in the upcoming period.
Significant changes in temperature are expected across the forecast period. Highs will range from 57.2°F to 75.2°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 37.4°F and 50°F.
With a maximum temperature of 75.2°F, Thursday through next Sunday will be the warmest days; today is the coldest day, with a maximum temperature of 57.2°F.
Rain is not forecasted in Harmon in the upcoming period.
Significant changes in temperature are expected across the forecast period. Highs will range from 57.2°F to 75.2°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 37.4°F and 50°F.
With a maximum temperature of 75.2°F, Thursday through next Sunday will be the warmest days; today is the coldest day, with a maximum temperature of 57.2°F.
Updated: Oct 17, 2026 @ 14:54:09 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
Today, in Harmon, expect consistent sunshine and open skies.
Today, the maximum temperature will be 57.2°F, while the minimum temperature will be 39.2°F.
Today, the highest temperature will be in line with the average maximum temperature in October. Today, the lowest temperature will be a couple of degrees lower than the average low temperature.
Today, the highest temperature will be in line with the average maximum temperature in October. Today, the lowest temperature will be a couple of degrees lower than the average low temperature.
On Saturday, in Harmon, sunrise was at 7:12 am and sunset will be at 6:14 pm (CDT).
In Harmon, the length of the day today will be 11h and 1min.
Tomorrow, sunny and dry conditions are anticipated.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
The highest temperature will be a few degrees higher than the average maximum of 60.6°F in October. The lowest temperature will be also slightly cooler than the average low of 44.6°F.
The highest temperature will be a few degrees higher than the average maximum of 60.6°F in October. The lowest temperature will be also slightly cooler than the average low of 44.6°F.
On Sunday, in Harmon, sunrise will be at 7:14 am and sunset at 6:12 pm (CDT).
In Harmon, tomorrow, there will be 10h and 58min of daylight.





