Weather forecast for tomorrowGlen Summit, PA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 57°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphNNW 346°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:18 am EDT
  • Sunset: 6:18 pm EDT
  • ▼
Tomorrow, clear skies and sunshine are also anticipated.
The highest temperature will be a moderate 57.2°F, while the lowest expected temperature is an icy 32°F.
The expected maximum temperature will closely reflect October's average high of 59°F.
Sunrise will be at 7:18 am and sunset at 6:18 pm; tomorrow's daylight will last for 11h and 0min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 55°C.
Coldest hour: 6 am 30°C.

Chance of precipitation

Highest chance: 3 am - 6 am 4%.

Hourly weather forecast

  • 12 am
  • 32°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphN 1°
  • Humidity: 72%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 32°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphN 5°
  • Humidity: 77%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 30°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphN 11°
  • Humidity: 79%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 30°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphNNE 23°
  • Humidity: 78%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:18 am
  • 8 am
  • 30°F
  • Feels like:
    30°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphNNE 25°
  • Humidity: 79%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 41°F
  • Feels like:
    41°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphN 1°
  • Humidity: 57%
  • Pressure: 30.59"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 48°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNW 343°
  • Humidity: 44%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNW 331°
  • Humidity: 35%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphNNW 327°
  • Humidity: 36%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 50°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 0mphNW 315°
  • Humidity: 50%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:18 pm
  • 8 pm
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 0mphE 99°
  • Humidity: 67%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 0mphE 92°
  • Humidity: 74%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, sunshine is expected.
The temperature will vary between a minimum of 30.2°F and a maximum of 55.4°F. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the high temperature will be comparable to October's average. The lowest temperature tomorrow is more alike with November's average minimum of 32.5°F than the average low in October of 42.8°F.
Updated: Oct 17, 2026 @ 21:03:07 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, expect bright skies and plenty of sunshine.

Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 32°F.
The maximum temperature will be in line with the average highest temperature of 59°F in October. The lowest temperature will be noticeably lower than the average low of 42.8°F.

On Sunday, in Glen Summit, sunrise will be at 7:18 am and sunset at 6:18 pm (EDT).

Tomorrow, the daylight will last for 11h and 0min.