Weather forecast for 10 daysForrest, IL

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 57°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSW 223°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:07 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
Today, conditions remain stable and sunny, with little cloud presence.
Anticipated temperatures will peak at a moderate 57.2°F and dip to a minimum of a wintry 37.4°F.
The highest temperature for today is expected to be moderately lower than the average October temperature of 62.2°F.
Sunrise was at 7:07 am and sunset will be at 6:10 pm; the daylight will last for 11h and 3min.

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphSSW 195°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:09 pm CDT
  • ▼
Tomorrow, in Forrest, clear skies and sunshine are also anticipated.
The day will see a remarkable high of an enjoyable 66.2°F, sharply contrasting with a low of a wintry 37.4°F.
The predicted top temperature is expected to be relatively higher than the usual October maximum of 62.2°F.
Sunrise will be at 7:08 am and sunset at 6:09 pm; tomorrow's daylight will last for 11h and 1min.

10-day overview

Daily temperatures

Warmest period: Thursday - Sunday 77°C.
Coldest day: today 57°C.

Chance of precipitation

Highest chance: Monday 26.10. 7%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 57°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSW 223°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:07 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphSSW 195°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:09 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 72°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphS 179°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphESE 122°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphSSW 192°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 77°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphSE 137°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 77°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphESE 114°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:13 am CDT
  • Sunset: 6:01 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 77°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSE 141°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:15 am CDT
  • Sunset: 6:00 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 77°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphSSW 203°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 73°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphN 8°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 5:57 pm CDT
  • ▼
Weather patterns suggest that primarily clear and occasionally dull weather is anticipated.
Rainfall is not predicted in Forrest in the upcoming period.
Significant changes in temperature are expected throughout the forecast window. The temperature is expected to swing from 57.2°F up to 77°F, while the low temperature range extends from 37.4°F to 48.2°F.
Thursday through next Sunday, with the highest temperature of 77°F, will be the warmest days in Forrest; today is the coldest day, with a maximum temperature of 57.2°F.
Updated: Oct 17, 2026 @ 16:22:23 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, in Forrest, expect bright skies and plenty of sunshine.

Today, the maximum temperature will be 57.2°F, while the minimum temperature will be 37.4°F.
Today, the highest temperature will be relatively lower than the average maximum temperature in October. The lowest temperature today will be significantly lower than the average low of 46.8°F.

On Saturday, in Forrest, sunrise was at 7:07 am and sunset will be at 6:10 pm (CDT).

Today, the daylight will last for 11h and 3min.

Tomorrow, clear and sunny conditions are expected.

Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
Tomorrow, the maximum temperature will be relatively higher than the average highest temperature in October. Tomorrow, the lowest temperature will be significantly lower than the average low of 46.8°F.

On Sunday, in Forrest, sunrise will be at 7:08 am and sunset at 6:09 pm (CDT).

In Forrest, Illinois, the length of the day tomorrow will be 11h and 1min.