Weather forecast for tomorrowMount Union, PA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 63°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphWNW 290°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:25 am EDT
  • Sunset: 6:27 pm EDT
  • ▼
On Sunday, October 18, bright and sunny weather is also expected.
The temperature is predicted to vary significantly from a high of a comfortable 62.6°F to a low of a wintry 33.8°F.
The highest temperature for tomorrow is forecasted to reflect October's average of 61.5°F.
Sunrise will be at 7:25 am and sunset at 6:27 pm; tomorrow's daylight will last for 11h and 2min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 61°C.
Coldest hour: 6 am 34°C.

Chance of precipitation

Highest chance: 3 am - 6 am 4%.

Hourly weather forecast

  • 12 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNW 325°
  • Humidity: 74%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphNNW 330°
  • Humidity: 81%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 0mphNNW 331°
  • Humidity: 84%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 34°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 0mphNW 304°
  • Humidity: 87%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:25 am
  • 8 am
  • 34°F
  • Feels like:
    34°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 0mphNW 314°
  • Humidity: 86%
  • Pressure: 30.59"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 45°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 0mphNW 315°
  • Humidity: 62%
  • Pressure: 30.59"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphNE 37°
  • Humidity: 44%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphS 179°
  • Humidity: 34%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphWSW 254°
  • Humidity: 34%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphSSE 165°
  • Humidity: 51%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:27 pm
  • 8 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphSSE 166°
  • Humidity: 63%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphSSE 167°
  • Humidity: 74%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, bright and mostly sunny weather is expected.
The temperature will be between the lowest temperature of 33.8°F and the highest temperature of 60.8°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, the maximum will be close to October's typical high. The expected low will be more comparable to what’s common in November than the current October average of 43.9°F.
Updated: Oct 17, 2026 @ 21:58:17 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Mount Union, the weather remains calm, bright, and sunny.

Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 33.8°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be noticeably lower than the average low of 43.9°F.

On Sunday, in Mount Union, sunrise will be at 7:25 am and sunset at 6:27 pm (EDT).

In Mount Union, tomorrow, there will be 11h and 2min of daylight.