Weather forecast for 10 daysRiver Forest, IL

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 57°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSW 224°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:06 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
Today, on Saturday, October 17, clear and sunny conditions are expected.
Temperatures will oscillate between a mild 57.2°F at their highest and an icy 41°F at their lowest.
The expected peak temperature will reflect the average October high of 59.9°F.
Sunrise was at 7:06 am and sunset will be at 6:06 pm; the daylight will last for 11h and 1min.

Sunday Oct 18, 2026

  • 64°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 14mphSSW 206°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:07 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
On Sunday, in River Forest, expect bright skies and plenty of sunshine.
The temperature is forecasted to vary between a maximum of an enjoyable 64.4°F and a minimum of a brisk 42.8°F.
Tomorrow, the forecasted high will be relatively higher than October's typical maximum of 59.9°F.
Sunrise will be at 7:07 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 58min.

10-day overview

Daily temperatures

Warmest day: Sunday 25.10. 73°C.
Coldest day: today 57°C.

Chance of precipitation

Highest chance: Monday 26.10. 19%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 57°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSW 224°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:06 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 14mphSSW 206°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:07 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphSSW 197°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 68°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphESE 110°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphS 186°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:00 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphSE 146°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 70°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphESE 120°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:13 am CDT
  • Sunset: 5:57 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 70°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphSE 145°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:14 am CDT
  • Sunset: 5:56 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 73°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphS 188°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:15 am CDT
  • Sunset: 5:55 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 66°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 7mphNNE 15°
  • Humidity: 65%
  • UV index: 3
  • Sunrise: 7:16 am CDT
  • Sunset: 5:53 pm CDT
  • ▼
Weather patterns suggest that a combination of dull and clear weather is predicted.
Rain is not anticipated in River Forest in the upcoming days.
Temperature fluctuation will be noticeable in the coming days. Forecast highs will fluctuate between 57.2°F and 73.4°F, while the nightly low temperatures will show also a considerable swing, as nighttime lows are forecast to fall between 41°F and 55.4°F.
Expect the warmest day on next Sunday, with temperatures peaking at 73.4°F; today is the coldest day, with a maximum temperature of 57.2°F.
Updated: Oct 17, 2026 @ 19:10:35 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, sunshine is expected with little to no cloud cover.

Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 42.8°F.
Tomorrow, the highest temperature will be slightly warmer than the average maximum temperature in October. The lowest temperature will be also slightly cooler than the average low of 47.8°F.

On Sunday, in River Forest, sunrise will be at 7:07 am and sunset at 6:05 pm (CDT).

Tomorrow, the daylight will last for 10h and 58min.