Weather forecast for 10 daysHarmon, IL

Weather forecast for the weekend

Saturday Oct 24, 2026

  • 75°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphSSE 159°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:21 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
Today, in Harmon, variable cloud cover will persist, but sunshine will break through.
The temperature is expected to vary between a maximum of a temperate 75.2°F and a minimum of a crisp 50°F.
Today, meteorological data suggests the high will feel more like September, based on a forecast of 75.2°F.
Sunrise will be at 7:21 am and sunset at 6:03 pm; the daylight will last for 10h and 43min.

Sunday Oct 25, 2026

  • 77°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphS 185°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:22 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
Tomorrow, in Harmon, mostly clear with scattered clouds is also expected.
A wide temperature range is forecasted, from a high of a temperate 77°F to a low of a chilly 48.2°F.
Temperatures are trending warmer, with a peak resembling September's average maximum rather than October's seasonal high.
Sunrise will be at 7:22 am and sunset at 6:02 pm; tomorrow's daylight will last for 10h and 40min.

10-day overview

Daily temperatures

Maximum temperature: 77°C.
Coldest day: Monday 02.11. 66°C.

Chance of precipitation

Highest chance: Monday 02.11. 48%.

Long-term weather forecast

  • Saturday
  • Oct 24, 2026
  • 75°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphSSE 159°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:21 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 77°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphS 185°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:22 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 70°F
  • 48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 8mphENE 75°
  • Humidity: 67%
  • UV index: 3
  • Sunrise: 7:23 am CDT
  • Sunset: 6:00 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 72°F
  • 55°F
Cloudy
Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphSE 141°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 7:24 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Wednesday
  • Oct 28, 2026
  • 75°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 10mphSSW 192°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:25 am CDT
  • Sunset: 5:58 pm CDT
  • ▼
  • Thursday
  • Oct 29, 2026
  • 75°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 6mphSW 219°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:27 am CDT
  • Sunset: 5:56 pm CDT
  • ▼
  • Friday
  • Oct 30, 2026
  • 77°F
  • 57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 9mphSSE 164°
  • Humidity: 61%
  • UV index: 2
  • Sunrise: 7:28 am CDT
  • Sunset: 5:55 pm CDT
  • ▼
  • Saturday
  • Oct 31, 2026
  • 73°F
  • 57°F
PM Showers
PM Showers
  • Precip. probability: 38%
  • Precipitation: 0.24"
  • Wind: 9mphSSE 164°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 7:29 am CDT
  • Sunset: 5:54 pm CDT
  • ▼
  • Sunday
  • Nov 1, 2026
  • 68°F
  • 52°F
Showers
Showers
  • Precip. probability: 45%
  • Precipitation: 0.47"
  • Wind: 11mphSSW 196°
  • Humidity: 78%
  • UV index: 1
  • Sunrise: 6:30 am CST
  • Sunset: 4:52 pm CST
  • ▼
  • Monday
  • Nov 2, 2026
  • 66°F
  • 52°F
Showers
Showers
  • Precip. probability: 48%
  • Precipitation: 0.87"
  • Wind: 9mphNNW 334°
  • Humidity: 72%
  • UV index: 2
  • Sunrise: 6:31 am CST
  • Sunset: 4:51 pm CST
  • ▼
Across the following ten days, a combination of dull and rain-filled weather is anticipated.
Rainfall is expected on next Saturday through next Monday.
In the upcoming days, the highest temperature will vary between 66.2°F and 77°F, while the forecast minimum temperature falls between 48.2°F and 57.2°F.
The warmest days will be Sunday and Friday, with a maximum of 77°F; the lowest daytime temperature of the period will be reached on next Monday, peaking at 66.2°F.
Updated: Oct 24, 2026 @ 12:11:07 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, some passing clouds may drift through, but the sun will shine at times.

Today, the highest temperature in Harmon will be 75.2°F, while the lowest temperature will be 50°F.
Today, the maximum temperature will be notably higher than the average highest temperature of 60.6°F in October. The lowest temperature will be a couple of degrees higher than the average low of 44.6°F.

On Saturday, in Harmon, sunrise will be at 7:21 am and sunset at 6:03 pm (CDT).

In Harmon, today, there will be 10h and 43min of daylight.

On Sunday, occasional cloudiness will be present, but there will still be plenty of sun.

Tomorrow, the maximum temperature will be 77°F, while the minimum temperature will be 48.2°F.
The maximum temperature will be notably higher than the average highest temperature of 60.6°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Harmon, sunrise will be at 7:22 am and sunset at 6:02 pm (CDT).

Tomorrow, the daylight will last for 10h and 40min.