Weather forecast for 10 daysMcLean, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphS 186°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:12 pm CDT
- details ▼
Today, on Sunday, October 18, sun-filled conditions are expected to persist.
The daytime temperature will peak at a breezy 64.4°F, significantly contrasting with the night's low of a wintry 37.4°F.
Forecasts show the temperature forecasted to reach the usual October high of 63.3°F.
Sunrise will be at 7:10 am and sunset at 6:12 pm; the daylight will last for 11h and 2min.
The daytime temperature will peak at a breezy 64.4°F, significantly contrasting with the night's low of a wintry 37.4°F.
Forecasts show the temperature forecasted to reach the usual October high of 63.3°F.
Sunrise will be at 7:10 am and sunset at 6:12 pm; the daylight will last for 11h and 2min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 79°C.
Coldest day: today 64°C.
Coldest day: today 64°C.
Chance of precipitation
Highest chance: 11%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphS 186°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphS 170°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 43°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphESE 106°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphS 185°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphE 80°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 45°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphSE 124°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphSSE 154°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:17 am CDT
- Sunset: 6:04 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 52°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 7mphS 190°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:18 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 75°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSSW 194°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:01 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 73°F
- 50°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 8mphSE 139°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:20 am CDT
- Sunset: 6:00 pm CDT
- details ▼
A combination of mostly clear and cloudy weather is anticipated.
Rainfall is not forecasted in McLean in the upcoming days.
Expect a substantial fluctuation in daytime highs in the coming days. Forecast highs will fluctuate between 64.4°F and 78.8°F, while there will be also a marked difference in overnight low temperatures, as the lowest temperatures will be recorded between 37.4°F and 51.8°F.
Next Sunday is expected to be the warmest, reaching up to 78.8°F; today is the coldest day, with a maximum temperature of 64.4°F.
Rainfall is not forecasted in McLean in the upcoming days.
Expect a substantial fluctuation in daytime highs in the coming days. Forecast highs will fluctuate between 64.4°F and 78.8°F, while there will be also a marked difference in overnight low temperatures, as the lowest temperatures will be recorded between 37.4°F and 51.8°F.
Next Sunday is expected to be the warmest, reaching up to 78.8°F; today is the coldest day, with a maximum temperature of 64.4°F.
Updated: Oct 18, 2026 @ 07:18:28 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, sunshine will likely continue with scattered clouds at most.
Today, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature today will be noticeably lower than the average low of 46.9°F.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature today will be noticeably lower than the average low of 46.9°F.
On Sunday, in McLean, sunrise will be at 7:10 am and sunset at 6:12 pm (CDT).
Today in McLean, the daylight will last for 11h and 2min.
