Weather forecast for 10 daysMendon, IL

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 57°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSW 210°
  • Humidity: 39%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:22 pm CDT
  • ▼
Today, on Saturday, October 17, expect consistent sunshine and open skies.
The expected temperature range extends from a high of a mild 57.2°F to a low of a wintry 39.2°F.
Today, the predicted temperature will be relatively lower than the standard October high of 63.5°F.
Sunrise was at 7:18 am and sunset will be at 6:22 pm; the daylight will last for 11h and 5min.

Sunday Oct 18, 2026

  • 66°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 11mphS 183°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:19 am CDT
  • Sunset: 6:21 pm CDT
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Tomorrow, on Sunday, October 18, sunny skies and pleasant visibility are also expected.
Temperatures are forecasted to peak at a breezy 66.2°F and drop to a minimum of a cold 41°F.
Tomorrow's maximum temperature is expected to reflect the standard October high of 63.5°F.
Sunrise will be at 7:19 am and sunset at 6:21 pm; tomorrow's daylight will last for 11h and 2min.

10-day overview

Daily temperatures

Warmest period: Thursday - Sunday 77°C.
Coldest day: today 57°C.

Chance of precipitation

Highest chance: Sunday 25.10. 16%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 57°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSW 210°
  • Humidity: 39%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:22 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 11mphS 183°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:19 am CDT
  • Sunset: 6:21 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphS 169°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:20 am CDT
  • Sunset: 6:19 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphSSE 153°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:21 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 6mphS 185°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:22 am CDT
  • Sunset: 6:17 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 77°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSSE 167°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:23 am CDT
  • Sunset: 6:15 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 77°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphSE 142°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:24 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 77°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphSSE 156°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:25 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 77°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 7mphSSW 212°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:26 am CDT
  • Sunset: 6:11 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 75°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 6mphSE 144°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:27 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
Weather patterns suggest that a combination of bright and dull weather is predicted.
Rainfall is not anticipated in Mendon in the upcoming days.
The temperature will vary considerably across the forecast period. Forecast highs will fluctuate between 57.2°F and 77°F, while the nightly low temperatures will show also a considerable swing, as the overnight lows will vary from 39.2°F to 53.6°F.
The warmest days in Mendon will be Thursday through next Sunday, with a maximum of 77°F; today is the coldest day, with a maximum temperature of 57.2°F.
Updated: Oct 17, 2026 @ 17:08:53 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Mendon, expect consistent sunshine and open skies.

Today, the maximum temperature will be 57.2°F, while the minimum temperature will be 39.2°F.
The highest temperature will be slightly cooler than the average maximum of 63.5°F in October. The lowest temperature will be also moderately lower than the average low of 46.8°F.

On Saturday, in Mendon, sunrise was at 7:18 am and sunset will be at 6:22 pm (CDT).

In Mendon, today, there will be 11h and 5min of daylight.

On Sunday, in Mendon, the forecast calls for abundant sunshine.

Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 41°F.
The highest temperature will be in line with the average maximum of 63.5°F in October. The lowest temperature will be slightly cooler than the average low of 46.8°F.

On Sunday, in Mendon, sunrise will be at 7:19 am and sunset at 6:21 pm (CDT).

Tomorrow, the daylight will last for 11h and 2min.