Weather forecast for tomorrowHarmon, IL

Weather forecast for tomorrow

Saturday Oct 31, 2026

  • 61°F
  • 52°F
AM Showers
AM Showers
  • Precip. probability: 60%
  • Precipitation: 0.12"
  • Wind: 7mphESE 119°
  • Humidity: 71%
  • UV index: 1
  • Sunrise: 7:29 am CDT
  • Sunset: 5:54 pm CDT
  • ▼
On Saturday, October 31, a few early showers will bring damp conditions to start the day.
Minimal precipitation is forecasted for tomorrow. The temperature will peak at a comfortable 60.8°F during the day, slightly dropping to a low of a crisp 51.8°F at night.
Tomorrow, the anticipated peak temperature is expected to mirror October's average high of 60.6°F.
Sunrise will be at 7:29 am and sunset at 5:54 pm; tomorrow's daylight will last for 10h and 25min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 6 pm 59°C.
Coldest hour: 3 am 50°C.

Chance of precipitation

Highest chance: 6 am 50%.

Hourly weather forecast

  • 12 am
  • 52°F
  • Feels like:
    50°F
Few Showers
Few Showers
  • Precip. probability: 30%
  • Precipitation: 0.04"
  • Wind: 6mphE 98°
  • Humidity: 77%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 52°F
  • Feels like:
    48°F
Showers
Showers
  • Precip. probability: 38%
  • Precipitation: 0.04"
  • Wind: 6mphE 99°
  • Humidity: 81%
  • Pressure: 30.33"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 4 am
  • 50°F
  • Feels like:
    48°F
Showers
Showers
  • Precip. probability: 58%
  • Precipitation: 0.04"
  • Wind: 6mphE 101°
  • Humidity: 84%
  • Pressure: 30.3"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
  • 6 am
  • 52°F
  • Feels like:
    48°F
Showers
Showers
  • Precip. probability: 50%
  • Precipitation: 0.08"
  • Wind: 7mphESE 105°
  • Humidity: 85%
  • Pressure: 30.3"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
Sunrise: 7:29 am
  • 8 am
  • 50°F
  • Feels like:
    48°F
Rain
Rain
  • Precip. probability: 61%
  • Precipitation: 0.08"
  • Wind: 7mphESE 111°
  • Humidity: 86%
  • Pressure: 30.33"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
  • 10 am
  • 55°F
  • Feels like:
    54°F
Showers
Showers
  • Precip. probability: 40%
  • Precipitation: 0.04"
  • Wind: 7mphESE 117°
  • Humidity: 79%
  • Pressure: 30.33"Hg
  • Visibility: 7mi
  • UV index: 1
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    57°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphSE 129°
  • Humidity: 70%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 2 pm
  • 59°F
  • Feels like:
    59°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 5mphSE 135°
  • Humidity: 63%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    61°F
Cloudy
Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 4mphESE 115°
  • Humidity: 59%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 5:54 pm
  • 6 pm
  • 59°F
  • Feels like:
    59°F
Few Showers
Few Showers
  • Precip. probability: 32%
  • Precipitation: 0.04"
  • Wind: 5mphESE 115°
  • Humidity: 66%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 55°F
  • Feels like:
    55°F
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 4mphESE 106°
  • Humidity: 77%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 55°F
  • Feels like:
    54°F
Cloudy
Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 5mphESE 108°
  • Humidity: 80%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Saturday, a combination of dull and rain-soaked weather is forecasted.
Rainfall is predicted from 12 am to 10 am, 6 pm and at 7 pm. With light precipitation of 0.08", the most intense rain will be falling at 5 am, 6 am and 8 am.
The temperature will vary between the lowest temperature of 50°F and the highest temperature of 60.8°F. The warmest part of the day will be at 4 pm and 5 pm.
The high temperature is expected to be similar to October's usual value of 60.6°F. Tomorrow, the night will be more alike with September's average minimum of 55.2°F than October's usual value of 44.6°F.
Updated: Oct 30, 2026 @ 23:36:47 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, expect passing morning showers bringing damp conditions.

There is a high chance of rainfall, but precipitation will be minimal.

Tomorrow, the maximum temperature will be 60.8°F, while the minimum temperature will be 51.8°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature tomorrow will be a few degrees higher than the average low temperature.

On Saturday, in Harmon, sunrise will be at 7:29 am and sunset at 5:54 pm (CDT).

In Harmon, tomorrow, there will be 10h and 25min of daylight.