Weather forecast for 10 daysMcHenry, IL

Weather forecast for the weekend

Saturday Oct 17, 2026

  • min.
  • 39°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphSSW 213°
  • Humidity: 62%
  • UV index: 0
  • Sunrise: 7:08 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
For the remainder of Saturday, the sky will remain completely clear.
The lowest temperature will be a cold 39.2°F.
Sunrise was at 7:08 am and sunset will be at 6:08 pm; the daylight will last for 10h and 59min.

Sunday Oct 18, 2026

  • 63°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 15mphSSW 208°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
Tomorrow, in McHenry, sunshine will likely continue with scattered clouds at most.
The temperature variation is forecasted to range from a maximum of an enjoyable 62.6°F to a minimum of a wintry 37.4°F.
The temperature for tomorrow is forecasted to be a few degrees higher than the October average of 58.6°F.
Sunrise will be at 7:09 am and sunset at 6:06 pm; tomorrow's daylight will last for 10h and 57min.

10-day overview

Daily temperatures

Maximum temperature: 72°C.
Coldest day: tomorrow 63°C.

Chance of precipitation

Highest chance: Monday 26.10. 18%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 39°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphSSW 213°
  • Humidity: 62%
  • UV index: 0
  • Sunrise: 7:08 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 63°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 15mphSSW 208°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSSW 202°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphESE 107°
  • Humidity: 62%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 70°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphSSW 197°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:13 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphENE 78°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:14 am CDT
  • Sunset: 6:00 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 72°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphSE 127°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:15 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 70°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphSSE 151°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:16 am CDT
  • Sunset: 5:57 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 72°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSSW 201°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:18 am CDT
  • Sunset: 5:56 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 68°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 6mphNE 35°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:19 am CDT
  • Sunset: 5:54 pm CDT
  • ▼
Throughout the next ten days, a combination of dull and sunny weather is predicted.
Rainfall is not anticipated in McHenry in the upcoming days.
In the upcoming period, the maximum temperature will vary between 62.6°F and 71.6°F, while nighttime temperatures are expected to vary from 37.4°F to 48.2°F.
With a maximum temperature of 71.6°F, Thursday, Friday and next Sunday will be the warmest days; with the highest temperature of 62.6°F, Sunday will be the coldest day.
Updated: Oct 17, 2026 @ 20:10:21 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, the forecast calls for abundant sunshine.

Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 37.4°F.
Tomorrow, the highest temperature will be moderately higher than the average maximum temperature in October. The lowest temperature tomorrow will be also relatively lower than the average low temperature.

On Sunday, in McHenry, sunrise will be at 7:09 am and sunset at 6:06 pm (CDT).

Tomorrow, the daylight will last for 10h and 57min.