Weather forecast for 10 daysWalnut, IL
Weather forecast for the weekend
Saturday Oct 17, 2026
- 57°F
- 39°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 226°
- Humidity: 41%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:14 pm CDT
- details ▼
Today, on Saturday, October 17, clear and sunny conditions are expected.
The temperature variation is predicted to range from a maximum of a moderate 57.2°F to a minimum of a cold 39.2°F.
Today's maximum temperature is predicted to be a few degrees lower than the common October peak of 61°F.
Sunrise was at 7:12 am and sunset will be at 6:14 pm; the daylight will last for 11h and 1min.
The temperature variation is predicted to range from a maximum of a moderate 57.2°F to a minimum of a cold 39.2°F.
Today's maximum temperature is predicted to be a few degrees lower than the common October peak of 61°F.
Sunrise was at 7:12 am and sunset will be at 6:14 pm; the daylight will last for 11h and 1min.
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 13mphSSW 196°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:12 pm CDT
- details ▼
Tomorrow, in Walnut, sunshine will likely continue with scattered clouds at most.
Significant variations in temperature are expected, peaking at a comfortable 66.2°F and dropping to a low of an icy 39.2°F.
Tomorrow's peak is anticipated to be a couple of degrees higher than the regular high for October at 61°F.
Sunrise will be at 7:14 am and sunset at 6:12 pm; tomorrow's daylight will last for 10h and 59min.
Significant variations in temperature are expected, peaking at a comfortable 66.2°F and dropping to a low of an icy 39.2°F.
Tomorrow's peak is anticipated to be a couple of degrees higher than the regular high for October at 61°F.
Sunrise will be at 7:14 am and sunset at 6:12 pm; tomorrow's daylight will last for 10h and 59min.
10-day overview
Daily temperatures
Warmest period: Thursday - Sunday 75°C.
Coldest day: today 57°C.
Coldest day: today 57°C.
Chance of precipitation
Highest chance: Monday 26.10. 10%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 57°F
- 39°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 226°
- Humidity: 41%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 13mphSSW 196°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphS 169°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 45°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSE 135°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 45°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphS 177°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 45°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphSE 129°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 48°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphESE 123°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 75°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphSE 140°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:04 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 75°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSSW 204°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:22 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 72°F
- 50°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 5mphNE 43°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:23 am CDT
- Sunset: 6:01 pm CDT
- details ▼
During the upcoming ten-day period, a combination of mostly clear and overcast weather is anticipated.
Rainfall is not forecasted in Walnut in the upcoming period.
Temperature fluctuation will be noticeable across the forecast period. Forecast highs will fluctuate between 57.2°F and 75.2°F, while nighttime temperatures are expected to vary from 39.2°F to 50°F.
With a maximum temperature of 75.2°F, Thursday through next Sunday will be the warmest days; today is the coldest day, with a maximum temperature of 57.2°F.
Rainfall is not forecasted in Walnut in the upcoming period.
Temperature fluctuation will be noticeable across the forecast period. Forecast highs will fluctuate between 57.2°F and 75.2°F, while nighttime temperatures are expected to vary from 39.2°F to 50°F.
With a maximum temperature of 75.2°F, Thursday through next Sunday will be the warmest days; today is the coldest day, with a maximum temperature of 57.2°F.
Updated: Oct 17, 2026 @ 15:52:39 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, sunny skies and pleasant visibility are expected.
Today, the highest temperature in Walnut, Illinois, will be 57.2°F, while the lowest temperature will be 39.2°F.
The highest temperature today will be slightly cooler than the average maximum temperature in October. The lowest temperature will be also slightly cooler than the average low of 45°F.
The highest temperature today will be slightly cooler than the average maximum temperature in October. The lowest temperature will be also slightly cooler than the average low of 45°F.
On Saturday, in Walnut, sunrise was at 7:12 am and sunset will be at 6:14 pm (CDT).
In Walnut, the length of the day today will be 11h and 1min.
Tomorrow, in Walnut, the outlook remains bright and sunny.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.
Tomorrow, the highest temperature will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature tomorrow will be also a couple of degrees lower than the average low temperature.
Tomorrow, the highest temperature will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature tomorrow will be also a couple of degrees lower than the average low temperature.
On Sunday, in Walnut, sunrise will be at 7:14 am and sunset at 6:12 pm (CDT).
Tomorrow, the daylight will last for 10h and 59min.





