Weather forecast for tomorrowMcLean, IL
Weather forecast for tomorrow
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 ▼
On Monday, in McLean, open skies and radiant sunshine are also expected.
A wide temperature range is predicted, from a high of an agreeable 69.8°F to a low of a cold 41°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 76.1°F.
Sunrise will be at 7:12 am and sunset at 6:11 pm; tomorrow's daylight will last for 10h and 59min.
A wide temperature range is predicted, from a high of an agreeable 69.8°F to a low of a cold 41°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 76.1°F.
Sunrise will be at 7:12 am and sunset at 6:11 pm; tomorrow's daylight will last for 10h and 59min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 70°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 5%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSSE 167°
- Humidity: 77%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphS 172°
- Humidity: 82%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphS 175°
- Humidity: 87%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphS 169°
- Humidity: 90%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:12 am
- 8 am
- 43°F
- Feels like:41°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphSSE 159°
- Humidity: 87%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphS 169°
- Humidity: 59%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 180°
- Humidity: 43%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 68°F
- Feels like:68°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 174°
- Humidity: 35%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphS 182°
- Humidity: 33%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphSSE 150°
- Humidity: 44%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:11 pm
- 8 pm
- 54°F
- Feels like:54°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphESE 105°
- Humidity: 59%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphE 99°
- Humidity: 69%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily clear and occasionally dull weather is anticipated.
The temperature will vary between a minimum of 39.2°F and a maximum of 69.8°F. The warmest part of the day is anticipated around 3 pm.
The highest temperature is more similar to September's average maximum of 76.1°F than October's usual of 63.3°F. The expected low will be more resembling what’s common in November than the current October average of 46.9°F.
The temperature will vary between a minimum of 39.2°F and a maximum of 69.8°F. The warmest part of the day is anticipated around 3 pm.
The highest temperature is more similar to September's average maximum of 76.1°F than October's usual of 63.3°F. The expected low will be more resembling what’s common in November than the current October average of 46.9°F.
Updated: Oct 18, 2026 @ 08:25:10 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
Tomorrow, expect brilliant sunshine under mostly clear skies.
Tomorrow, the highest temperature will be 69.8°F, while the lowest temperature will be 41°F.
The maximum temperature will be relatively higher than the average highest temperature of 63.3°F in October. The lowest temperature will be also relatively lower than the average low of 46.9°F.
The maximum temperature will be relatively higher than the average highest temperature of 63.3°F in October. The lowest temperature will be also relatively lower than the average low of 46.9°F.
On Monday, in McLean, sunrise will be at 7:12 am and sunset at 6:11 pm (CDT).
In McLean, the length of the day tomorrow will be 10h and 59min.
