Weather forecast for 10 daysHarmon, IL

Weather forecast for the weekend

Saturday Oct 24, 2026

  • 73°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphSSE 161°
  • Humidity: 43%
  • UV index: 3
  • Sunrise: 7:21 am CDT
  • Sunset: 6:03 pm CDT
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Today, expect plenty of sunshine and only a few scattered clouds.
Temperature span will be from a high of a moderately hot 73.4°F to a low of a cool 50°F.
This October day will feature warmer weather, consistent with September's average of 73.9°F.
Sunrise was at 7:21 am and sunset will be at 6:03 pm; the daylight will last for 10h and 43min.

Sunday Oct 25, 2026

  • 77°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphS 183°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:22 am CDT
  • Sunset: 6:02 pm CDT
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On Sunday, in Harmon, a partly cloudy outlook will keep the sky interesting throughout the day.
A stark contrast will be evident between the daytime peak temperature of a temperate 77°F and the nighttime low of a crisp 50°F.
Tomorrow, temperatures will feel warmer with a high of 77°F, more typical for September than for October.
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: Sunday 01.11. 60%.

Long-term weather forecast

  • Saturday
  • Oct 24, 2026
  • 73°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphSSE 161°
  • Humidity: 43%
  • UV index: 3
  • Sunrise: 7:21 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 77°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphS 183°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:22 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 70°F
  • 48°F
Cloudy
Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 8mphENE 75°
  • Humidity: 68%
  • UV index: 3
  • Sunrise: 7:23 am CDT
  • Sunset: 6:00 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 72°F
  • 54°F
Cloudy
Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 8mphSE 144°
  • Humidity: 66%
  • 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 193°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:25 am CDT
  • Sunset: 5:58 pm CDT
  • ▼
  • Thursday
  • Oct 29, 2026
  • 77°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0.04"
  • Wind: 7mphSW 215°
  • Humidity: 61%
  • 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: 16%
  • 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: 40%
  • Precipitation: 0.24"
  • Wind: 9mphSSE 164°
  • Humidity: 66%
  • UV index: 2
  • Sunrise: 7:29 am CDT
  • Sunset: 5:54 pm CDT
  • ▼
  • Sunday
  • Nov 1, 2026
  • 70°F
  • 50°F
Rain
Rain
  • Precip. probability: 60%
  • Precipitation: 0.51"
  • Wind: 11mphSSW 200°
  • Humidity: 75%
  • UV index: 1
  • Sunrise: 6:30 am CST
  • Sunset: 4:52 pm CST
  • ▼
  • Monday
  • Nov 2, 2026
  • 66°F
  • 46°F
Showers
Showers
  • Precip. probability: 48%
  • Precipitation: 0.83"
  • Wind: 10mphWNW 302°
  • Humidity: 73%
  • UV index: 2
  • Sunrise: 6:31 am CST
  • Sunset: 4:51 pm CST
  • ▼
For the next ten days, a combination of cloud-filled, showery and clear weather is anticipated.
Rain is expected on Thursday, next Saturday through next Monday.
In the upcoming days, the maximum temperature will range between 66.2°F and 77°F, while nighttime temperatures are expected to vary from 46.4°F to 57.2°F.
The warmest days will be Sunday, Thursday 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 @ 15:34:47 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, open skies and radiant sunshine are expected.

Today, the maximum temperature will be 73.4°F, while the minimum temperature will be 50°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 60.6°F in October. The lowest temperature today will be a few degrees higher than the average low temperature.

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

In Harmon, the length of the day today will be 10h and 43min.

Tomorrow, changing cloud patterns will allow for periods of sunshine.

Tomorrow, the maximum temperature will be 77°F, while the minimum temperature will be 50°F.
The maximum temperature will be noticeably higher than the average highest temperature of 60.6°F in October. Tomorrow, the lowest temperature will be slightly warmer than the average low temperature.

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

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