Weather forecast for tomorrowGrassmere Park, PA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 59°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphW 260°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:20 am EDT
  • Sunset: 6:20 pm EDT
  • ▼
On Sunday, October 18, bright and sunny weather is also expected.
Temperature span will be from a high of a mild 59°F to a low of a wintry 35.6°F.
The temperature for tomorrow is anticipated to correspond with the average October peak of 59.9°F.
Sunrise will be at 7:20 am and sunset at 6:20 pm; tomorrow's daylight will last for 10h and 59min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 59°C.
Coldest hour: 6 am 32°C.

Chance of precipitation

Highest chance: 3%.

Hourly weather forecast

  • 12 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNNW 344°
  • Humidity: 81%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 34°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNNW 346°
  • Humidity: 76%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 32°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphN 356°
  • Humidity: 77%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 32°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphN 355°
  • Humidity: 79%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:20 am
  • 8 am
  • 32°F
  • Feels like:
    32°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphNNW 341°
  • Humidity: 82%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 43°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 0mphW 261°
  • Humidity: 63%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 52°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphWSW 245°
  • Humidity: 49%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphWSW 242°
  • Humidity: 40%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphWSW 240°
  • Humidity: 41%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 52°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphSW 218°
  • Humidity: 57%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:20 pm
  • 8 pm
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 0mphN 0°
  • Humidity: 73%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphN 8°
  • Humidity: 80%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, sunny conditions are likely to prevail.
The temperature will vary between a minimum of 30.2°F and a maximum of 59°F. The warmest part of the day is anticipated around 3 pm.
The highest temperature tomorrow will be close to October's typical maximum. The lowest temperature is more consistent with November's average minimum of 32.9°F than the usual minimum of 43.9°F in October.
Updated: Oct 18, 2026 @ 02:28:08 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, clear and sunny conditions are expected.

Tomorrow, the highest temperature will be 59°F, while the lowest temperature will be 35.6°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow will be slightly cooler than the average low temperature.

On Sunday, in Grassmere Park, sunrise will be at 7:20 am and sunset at 6:20 pm (EDT).

In Grassmere Park, the length of the day tomorrow will be 10h and 59min.