Weather forecast for tomorrowMount Vernon, IN

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 72°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 3mphS 189°
  • Humidity: 52%
  • UV index: 5
  • Sunrise: 7:04 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
On Monday, in Mount Vernon, sunny conditions are expected to continue.
The temperature is forecasted to vary significantly from a high of an agreeable 71.6°F to a low of an icy 41°F.
Today’s anticipated high is set to be moderately higher than October's regular high of 67.5°F.
Sunrise will be at 7:04 am and sunset at 6:08 pm; tomorrow's daylight will last for 11h and 5min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 72°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 6 am 6%.

Hourly weather forecast

  • 12 am
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphESE 122°
  • Humidity: 87%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 1mphSE 135°
  • Humidity: 90%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 0mphSE 134°
  • Humidity: 98%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphESE 121°
  • Humidity: 99%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:04 am
  • 8 am
  • 45°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 1mphSE 134°
  • Humidity: 92%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphS 177°
  • Humidity: 58%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSW 225°
  • Humidity: 39%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSW 225°
  • Humidity: 34%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSW 225°
  • Humidity: 33%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNE 45°
  • Humidity: 44%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:08 pm
  • 8 pm
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphNE 50°
  • Humidity: 67%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphNE 49°
  • Humidity: 77%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, mostly cloudless and sunny weather is anticipated.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 71.6°F. The warmest part of the day is anticipated around 3 pm.
The forecasted high will be relatively higher than the typical October maximum of 67.5°F. The expected low will be more resembling what’s common in November than the current October average of 50.2°F.
Updated: Oct 18, 2026 @ 09:44:13 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, conditions remain stable and sunny, with little cloud presence.

Tomorrow, the maximum temperature will be 71.6°F, while the minimum temperature will be 41°F.
The maximum temperature will be moderately higher than the average highest temperature of 67.5°F in October. The lowest temperature will be notably lower than the average low of 50.2°F.

On Monday, in Mount Vernon, sunrise will be at 7:04 am and sunset at 6:08 pm (CDT).

In Mount Vernon, the length of the day tomorrow will be 11h and 5min.