Weather forecast for todayMount Vernon, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 5:05 pm CDT

  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 3mphNNE 20°
  • Humidity: 36%
  • Dewpoint: 30°F
  • Pressure: 30.46"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
At the moment, no clouds in the sky, just uninterrupted sunshine.
The temperature is a mild 57.2°F.

Saturday Oct 17, 2026

  • min.
  • 34°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphE 89°
  • Humidity: 75%
  • UV index: 0
  • Sunrise: 7:06 am CDT
  • Sunset: 6:15 pm CDT
  • ▼
In Mount Vernon, during the evening and for the remainder of the day, skies will be completely cloud-free.
The lowest predicted temperature is an icy 33.8°F.
Sunrise was at 7:06 am and sunset will be at 6:15 pm; the daylight will last for 11h and 8min.

Hourly overview

Hourly temperatures

Warmest hour: 6 pm 55°C.
Coldest period: 12 am - 1 am 39°C.

Chance of precipitation

Highest chance: 1 am 2%.

Hourly weather forecast

  • 6 pm
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNE 45°
  • Humidity: 43%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:15 pm
  • 7 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNE 46°
  • Humidity: 60%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphENE 60°
  • Humidity: 70%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 0mphENE 56°
  • Humidity: 76%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphENE 71°
  • Humidity: 81%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphE 87°
  • Humidity: 81%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 0mphE 101°
  • Humidity: 82%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphE 95°
  • Humidity: 84%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphESE 111°
  • Humidity: 83%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 3 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphESE 121°
  • Humidity: 85%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Through the evening hours, sunshine is expected.
The temperature will vary between a maximum of 55.4°F and a minimum of 41°F.
Updated: Oct 17, 2026 @ 22:05:33 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (5:05 pm CDT) is 57.2°F.

On Saturday, in Mount Vernon, expect a flawless blue sky throughout the day.

On Saturday, in Mount Vernon, sunrise was at 7:06 am and sunset will be at 6:15 pm (CDT).

In Mount Vernon, the length of the day today will be 11h and 8min.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Mount Vernon, Illinois, USA

  • en: Mount Vernon, Illinois, USA
  • es: Mount Vernon, Illinois, EE.UU.
  • hr: Maunt Vernon, Ilinois, SAD
  • mk: Maunt Vernon, Ilinois, SAD
  • sr: Maunt Vernon, Ilinois, SAD
  • zh: 芒特弗农, 伊利诺伊, 美国
  • Latitude: 38.317271°
  • Longitude: -88.903120°
  • Elevation: 512 ft
  • Current time: 5:57pm CDT
  • Sunrise: 7:06 am CDT
  • Sunset: 6:15 pm CDT
  • Timezone: America/Chicago

Nearby Mount Vernon, Illinois, USA

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