Weather forecast for todayMendon, IL

Weather forecast for today

Current condition 11:02 am CDT

  • 50°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 1mphS 190°
  • Humidity: 48%
  • Dewpoint: 32°F
  • Pressure: 30.57"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
At the moment, in Mendon, a bright sun and a clear sky set the scene for a beautiful day.
The temperature is a cool 50°F. The current temperature is a few degrees off the maximum of 57.2°F for today.

Saturday Oct 17, 2026

  • 57°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSW 210°
  • Humidity: 41%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:22 pm CDT
  • ▼
On Saturday, October 17, conditions will remain bright with clear skies.
The maximum expected temperature is a moderate 57.2°F, while the minimum temperature will be an icy 39.2°F.
Today's top temperature will be moderately lower than October's standard maximum 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.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 57°C.
Coldest period: 12 am - 2 am 43°C.

Chance of precipitation

Highest chance: 2 am 2%.

Hourly weather forecast

  • 12 pm
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSW 212°
  • Humidity: 43%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSW 222°
  • Humidity: 40%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSW 224°
  • Humidity: 36%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 3 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSW 218°
  • Humidity: 36%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSW 209°
  • Humidity: 36%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSW 200°
  • Humidity: 38%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphS 180°
  • Humidity: 48%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:22 pm
  • 7 pm
  • 50°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 166°
  • Humidity: 56%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 164°
  • Humidity: 60%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 46°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 161°
  • Humidity: 63%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSE 162°
  • Humidity: 66%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSE 167°
  • Humidity: 67%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, mostly cloudless and sunny weather is anticipated.
The temperature will vary between the highest temperature of 57.2°F and the lowest temperature of 44.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The high will be slightly cooler than the normal maximum of 63.5°F for October. The lowest temperature today is more in line with November's average minimum of 35.8°F than the average low in October of 46.8°F.
Updated: Oct 17, 2026 @ 16:02:27 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (11:02 am CDT) is 50°F.

Today, the forecast calls for abundant sunshine.

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

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

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