Weather forecast for 10 daysForest Park, IL
Weather forecast for the weekend
Saturday Oct 17, 2026
- 57°F
- 43°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSW 226°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:06 am CDT
- Sunset: 6:06 pm CDT
- details ▼
Today, on Saturday, October 17, sunshine is expected with little to no cloud cover.
Temperatures are anticipated to peak at a refreshing 57.2°F and drop to a minimum of a brisk 42.8°F.
Today's peak is forecasted to reflect the usual October high temperature 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.
Temperatures are anticipated to peak at a refreshing 57.2°F and drop to a minimum of a brisk 42.8°F.
Today's peak is forecasted to reflect the usual October high temperature 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
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 14mphSSW 206°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:05 pm CDT
- details ▼
Tomorrow, on Sunday, October 18, expect bright skies and plenty of sunshine.
The maximum temperature will be a breezy 64.4°F, while the minimum predicted temperature is a frosty 42.8°F.
Tomorrow's top temperature will be relatively higher than October's standard 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.
The maximum temperature will be a breezy 64.4°F, while the minimum predicted temperature is a frosty 42.8°F.
Tomorrow's top temperature will be relatively higher than October's standard 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
Maximum temperature: 72°C.
Coldest day: today 57°C.
Coldest day: today 57°C.
Chance of precipitation
Highest chance: Monday 26.10. 8%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 57°F
- 43°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSW 226°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:06 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 64°F
- 43°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 14mphSSW 206°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 45°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSSW 194°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:08 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 48°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphESE 122°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 46°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphS 186°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:00 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 72°F
- 50°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSE 144°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 5:59 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 70°F
- 50°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphESE 113°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:13 am CDT
- Sunset: 5:57 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 70°F
- 52°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphSE 138°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:14 am CDT
- Sunset: 5:56 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 72°F
- 52°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphSSW 198°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:15 am CDT
- Sunset: 5:55 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 52°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 8mphNNE 32°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:16 am CDT
- Sunset: 5:53 pm CDT
- details ▼
Ten-day trends indicate that a combination of dry and sunny and cloudy weather is forecasted.
Rainfall is not anticipated in Forest Park in the upcoming period.
Expect a substantial fluctuation in daytime highs across the forecast period. Maximum temperatures are forecasted between 57.2°F and 71.6°F, while the forecast minimum temperature falls between 42.8°F and 51.8°F.
Wednesday, Thursday and next Sunday, with the highest temperature of 71.6°F, will be the warmest days in Forest Park; today is the coldest day, with a maximum temperature of 57.2°F.
Rainfall is not anticipated in Forest Park in the upcoming period.
Expect a substantial fluctuation in daytime highs across the forecast period. Maximum temperatures are forecasted between 57.2°F and 71.6°F, while the forecast minimum temperature falls between 42.8°F and 51.8°F.
Wednesday, Thursday and next Sunday, with the highest temperature of 71.6°F, will be the warmest days in Forest Park; today is the coldest day, with a maximum temperature of 57.2°F.
Updated: Oct 17, 2026 @ 16:02:54 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, in Forest Park, sunny conditions are expected to continue.
Today, the highest temperature in Forest Park, Illinois, will be 57.2°F, while the lowest temperature will be 42.8°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be relatively lower than the average low of 47.8°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be relatively lower than the average low of 47.8°F.
On Saturday, in Forest Park, sunrise was at 7:06 am and sunset will be at 6:06 pm (CDT).
In Forest Park, today, there will be 11h and 1min of daylight.
Tomorrow, expect sunny weather with a crisp, clear sky.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 42.8°F.
The maximum temperature tomorrow will be a couple of degrees higher than the average highest temperature in October. The lowest temperature will be also relatively lower than the average low of 47.8°F.
The maximum temperature tomorrow will be a couple of degrees higher than the average highest temperature in October. The lowest temperature will be also relatively 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).
Tomorrow, the daylight will last for 10h and 58min.





