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: 2mphN 350°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:18 am EDT
  • Sunset: 6:18 pm EDT
  • ▼
Tomorrow, sunny conditions are also expected to continue.
The highest temperature will be a refreshing 57.2°F, while the lowest predicted temperature is an icy 32°F.
The highest temperature tomorrow will align with the usual October peak 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 period: 3 am - 6 am 30°C.

Chance of precipitation

Highest chance: 3%.

Hourly weather forecast

  • 12 am
  • 32°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphN 3°
  • Humidity: 70%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 32°F
  • Feels like:
    28°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphN 3°
  • Humidity: 74%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 30°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphN 9°
  • Humidity: 76%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 30°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphNNE 21°
  • Humidity: 76%
  • Pressure: 30.53"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 17°
  • Humidity: 76%
  • 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 6°
  • Humidity: 55%
  • 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 345°
  • Humidity: 41%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNW 334°
  • Humidity: 32%
  • 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 336°
  • Humidity: 33%
  • 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: 0mphNNW 327°
  • 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: 2%
  • Precipitation: 0"
  • Wind: 0mphE 90°
  • Humidity: 66%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 0mphE 90°
  • Humidity: 72%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, primarily bright and sunny weather is anticipated.
The temperature will be between the lowest temperature of 30.2°F and the highest temperature of 55.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will be close to the average high of 59°F in October. Tomorrow, expect the temperature to be more close to the typical minimum for November than for October.
Updated: Oct 17, 2026 @ 18:37:36 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Glen Summit, conditions will remain bright with clear skies.

Tomorrow, the maximum temperature will be 57.2°F, while the minimum temperature will be 32°F.
The highest temperature will be in line with the average maximum of 59°F in October. Tomorrow, the lowest temperature will be uncommonly 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).

In Glen Summit, tomorrow, there will be 11h and 0min of daylight.