Weather forecast for tomorrowMount Vernon, PA

Weather forecast for tomorrow

Monday Oct 19, 2026

68°F
36°F

Sunny

Precip. probability: 12%
Precipitation: 0"
Wind: 4mphNNE 33°
Humidity: 56%
UV index: 4
Sunrise: 7:34 am EDT
Sunset: 6:33 pm EDT
details ▼

Tomorrow, on Monday, October 19, skies are expected to be clear and full of sunshine.
A substantial temperature fluctuation from an agreeable 68°F at its peak to a cold 35.6°F at its lowest point is forecasted.
Sunrise will be at 7:34 am and sunset at 6:33 pm; tomorrow's daylight will last for 10h and 59min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 34°C.

Chance of precipitation

Highest chance: 6 am 12%.

Hourly weather forecast

12 am

41°F
Feels like:
41°F

Clear

Precip. probability: 5%
Precipitation: 0"
Wind: 2mphE 100°
Humidity: 88%
Pressure: 30.47"Hg
Visibility: 10mi
UV index: 0
details ▼

2 am

37°F
Feels like:
37°F

Clear

Precip. probability: 5%
Precipitation: 0"
Wind: 2mphE 96°
Humidity: 91%
Pressure: 30.47"Hg
Visibility: 10mi
UV index: 0
details ▼

4 am

36°F
Feels like:
36°F

Clear

Precip. probability: 6%
Precipitation: 0"
Wind: 2mphENE 65°
Humidity: 93%
Pressure: 30.47"Hg
Visibility: 10mi
UV index: 0
details ▼

6 am

34°F
Feels like:
34°F

Clear

Precip. probability: 12%
Precipitation: 0"
Wind: 2mphENE 70°
Humidity: 95%
Pressure: 30.47"Hg
Visibility: 10mi
UV index: 0
details ▼

Sunrise: 7:34 am

8 am

32°F
Feels like:
32°F

Sunny

Precip. probability: 7%
Precipitation: 0"
Wind: 2mphENE 64°
Humidity: 96%
Pressure: 30.47"Hg
Visibility: 10mi
UV index: 0
details ▼

10 am

45°F
Feels like:
45°F

Sunny

Precip. probability: 3%
Precipitation: 0"
Wind: 2mphENE 74°
Humidity: 75%
Pressure: 30.47"Hg
Visibility: 10mi
UV index: 1
details ▼

12 pm

57°F
Feels like:
57°F

Sunny

Precip. probability: 0%
Precipitation: 0"
Wind: 3mphENE 63°
Humidity: 44%
Pressure: 30.42"Hg
Visibility: 10mi
UV index: 4
details ▼

2 pm

64°F
Feels like:
64°F

Sunny

Precip. probability: 0%
Precipitation: 0"
Wind: 3mphNNE 12°
Humidity: 31%
Pressure: 30.36"Hg
Visibility: 10mi
UV index: 4
details ▼

4 pm

66°F
Feels like:
66°F

Sunny

Precip. probability: 0%
Precipitation: 0"
Wind: 4mphNNW 345°
Humidity: 33%
Pressure: 30.33"Hg
Visibility: 10mi
UV index: 2
details ▼

6 pm

61°F
Feels like:
61°F

Sunny

Precip. probability: 0%
Precipitation: 0"
Wind: 4mphNNW 342°
Humidity: 46%
Pressure: 30.3"Hg
Visibility: 10mi
UV index: 0
details ▼

Sunset: 6:33 pm

8 pm

54°F
Feels like:
52°F

Clear

Precip. probability: 1%
Precipitation: 0"
Wind: 3mphNNW 346°
Humidity: 61%
Pressure: 30.33"Hg
Visibility: 10mi
UV index: 0
details ▼

10 pm

46°F
Feels like:
46°F

Clear

Precip. probability: 2%
Precipitation: 0"
Wind: 3mphN 352°
Humidity: 73%
Pressure: 30.33"Hg
Visibility: 10mi
UV index: 0
details ▼

Tomorrow, on Monday, mainly sunny weather and a cloudless sky are anticipated.
The temperature will vary between a minimum of 32°F and a maximum of 66.2°F. The warmest part of the day will be at 3 pm and 4 pm.

Updated: Oct 18, 2026 @ 09:17:15 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate