Weather forecast for tomorrowForest Park, IL

Weather forecast for tomorrow

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
  • ▼
Tomorrow, in Forest Park, sunshine is also forecasted under mostly clear skies.
Predicted temperature values will span from an enjoyable 64.4°F down to a chilly 42.8°F.
Tomorrow's forecasted high will be a couple of degrees higher than the typical October high 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 hour: 6 am 43°C.

Chance of precipitation

Highest chance: 3 am 3%.

Hourly weather forecast

  • 12 am
  • 46°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSW 204°
  • Humidity: 68%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 8mphSSW 207°
  • Humidity: 70%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 45°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 8mphSSW 204°
  • Humidity: 72%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphSSW 204°
  • Humidity: 72%
  • 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: 67%
  • Pressure: 30.47"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 208°
  • Humidity: 41%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 207°
  • Humidity: 35%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphSSW 205°
  • Humidity: 34%
  • 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: 11mphSSW 195°
  • Humidity: 42%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:05 pm
  • 8 pm
  • 55°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphS 191°
  • Humidity: 49%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSSW 200°
  • Humidity: 54%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, mainly sunny weather and a cloudless sky are 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 from 2 pm to 5 pm.
The forecasted high will be moderately higher than the typical October maximum of 59.9°F. The minimum temperature will be also a few degrees lower than October's average low of 47.8°F.
Updated: Oct 17, 2026 @ 18:12:11 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, skies are expected to be clear and full of sunshine.

Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 42.8°F.
The maximum temperature will be slightly warmer than the average highest temperature of 59.9°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 47.8°F.

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

In Forest Park, tomorrow, there will be 10h and 58min of daylight.