Weather forecast for todayGrantham, PA

Weather forecast for today

Current condition 5:40 am EDT

  • 43°F
  • Feels like:
    41°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 4mphW 260°
  • Humidity: 72%
  • Dewpoint: 36°F
  • Pressure: 30.28"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, pristine clear weather creates an ideal outdoor setting.
The temperature is a chilly 42.8°F, and the apparent temperature is almost the same at 41°F. The current temperature is almost at the minimum-predicted 39.2°F for today.

Tuesday Oct 20, 2026

  • 70°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphN 351°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:24 am EDT
  • Sunset: 6:21 pm EDT
  • ▼
Today, on Tuesday, October 20, skies will stay clear and sunny.
Day and night temperatures will contrast sharply, ranging from a peak of a pleasant 69.8°F to a low of an icy 39.2°F.
Meteorological data shows 69.8°F is more characteristic of September's climate profile than October's.
Sunrise will be at 7:24 am and sunset at 6:21 pm; the daylight will last for 10h and 57min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 68°C.
Coldest hour: 6 am 43°C.

Chance of precipitation

Highest chance: 12 am 4%.

Hourly weather forecast

  • 6 am
  • 43°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphNW 321°
  • Humidity: 74%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:24 am
  • 8 am
  • 45°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphNW 326°
  • Humidity: 74%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 54°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphN 353°
  • Humidity: 62%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphN 0°
  • Humidity: 51%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphN 5°
  • Humidity: 42%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphN 8°
  • Humidity: 39%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphN 358°
  • Humidity: 40%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:21 pm
  • 8 pm
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphN 355°
  • Humidity: 56%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphN 358°
  • Humidity: 63%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, primarily bright and sunny weather is anticipated.
The temperature will be between the highest temperature of 68°F and the lowest temperature of 42.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature will feel more in line with September's average high than the expected maximum for October. The lowest temperature is more consistent with November's average minimum of 35.8°F than the usual minimum of 46.6°F in October.
Updated: Oct 20, 2026 @ 09:40:45 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (5:40 am EDT) is 42.8°F.

On Tuesday, in Grantham, sunshine is forecasted under mostly clear skies.

Today, the maximum temperature will be 69.8°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 62.8°F in October. The lowest temperature will be also moderately lower than the average low of 46.6°F.

On Tuesday, in Grantham, sunrise will be at 7:24 am and sunset at 6:21 pm (EDT).

Today, the daylight will last for 10h and 57min.