Weather forecast for tomorrowRiver Grove, IL

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 64°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 14mphSSW 206°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:07 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
Tomorrow, sunny skies are also in store, with excellent visibility.
Temperatures are predicted to range from a maximum of an enjoyable 64.4°F to a minimum of an icy 41°F.
The daily maximum temperature is expected to be relatively higher than October's climate average 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.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 63°C.
Coldest period: 3 am - 6 am 43°C.

Chance of precipitation

Highest chance: 6 am 3%.

Hourly weather forecast

  • 12 am
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSSW 203°
  • Humidity: 69%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSW 205°
  • Humidity: 72%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSW 203°
  • Humidity: 73%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphSSW 203°
  • Humidity: 73%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:07 am
  • 8 am
  • 45°F
  • Feels like:
    39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphSSW 203°
  • Humidity: 68%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 208°
  • Humidity: 51%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphSSW 209°
  • Humidity: 42%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 208°
  • Humidity: 37%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphSSW 205°
  • Humidity: 36%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSSW 195°
  • Humidity: 43%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:05 pm
  • 8 pm
  • 55°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphS 190°
  • Humidity: 52%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSSW 199°
  • Humidity: 59%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, mostly cloudless and sunny weather is anticipated.
The temperature will be between a minimum of 42.8°F and a maximum of 62.6°F. The warmest part of the day will be at 3 pm and 4 pm.
The highest temperature tomorrow will be moderately higher than October's typical maximum temperature. The lowest temperature is more similar to November's average minimum of 35.4°F than the usual minimum of 47.8°F in October.
Updated: Oct 18, 2026 @ 03:14:08 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, sunny skies and pleasant visibility are expected.

Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 41°F.
Tomorrow, the maximum temperature will be a few degrees higher than the average highest temperature in October. The lowest temperature tomorrow will be also slightly cooler than the average low temperature.

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

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