Weather forecast for 10 daysGrantham, PA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 61°F
- 34°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphN 355°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:22 am EDT
- Sunset: 6:24 pm EDT
- details ▼
Tomorrow, on Sunday, skies are expected to be clear and full of sunshine.
A substantial temperature range, peaking at a comfortable 60.8°F and bottoming out at a wintry 33.8°F, is predicted.
Tomorrow's top temperature will adhere to the average October high temperature of 62.8°F.
Sunrise will be at 7:22 am and sunset at 6:24 pm; tomorrow's daylight will last for 11h and 2min.
A substantial temperature range, peaking at a comfortable 60.8°F and bottoming out at a wintry 33.8°F, is predicted.
Tomorrow's top temperature will adhere to the average October high temperature of 62.8°F.
Sunrise will be at 7:22 am and sunset at 6:24 pm; tomorrow's daylight will last for 11h and 2min.
10-day overview
Daily temperatures
Warmest day: Tuesday 70°C.
Coldest day: tomorrow 61°C.
Coldest day: tomorrow 61°C.
Chance of precipitation
Highest chance: Sunday - Monday 24%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 32°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphNNW 344°
- Humidity: 66%
- UV index: 0
- Sunrise: 7:20 am EDT
- Sunset: 6:25 pm EDT
- details ▼
- Sunday
- Oct 18, 2026
- 61°F
- 34°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphN 355°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:22 am EDT
- Sunset: 6:24 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 45°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphN 349°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:23 am EDT
- Sunset: 6:22 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 43°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphN 356°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:24 am EDT
- Sunset: 6:21 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 41°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 8mphN 5°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:25 am EDT
- Sunset: 6:19 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 45°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 10mphNNW 347°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:26 am EDT
- Sunset: 6:18 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 8mphN 8°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:27 am EDT
- Sunset: 6:17 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 63°F
- 37°F
Mostly Sunny
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 6mphNNE 31°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:28 am EDT
- Sunset: 6:15 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 63°F
- 41°F
Mostly Sunny
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphN 0°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:29 am EDT
- Sunset: 6:14 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 45°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphNNW 339°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:30 am EDT
- Sunset: 6:13 pm EDT
- details ▼
Primarily bright and occasionally gloomy weather is anticipated.
Rain is not predicted in Grantham in the upcoming days.
In the upcoming days, the highest temperature will vary between 60.8°F and 69.8°F, while the nightly low temperatures will show a considerable swing, as the lowest temperatures will be recorded between 32°F and 44.6°F.
With the highest temperature of 69.8°F, Tuesday will be the warmest day; expect the coldest day on Sunday with a high of 60.8°F.
Rain is not predicted in Grantham in the upcoming days.
In the upcoming days, the highest temperature will vary between 60.8°F and 69.8°F, while the nightly low temperatures will show a considerable swing, as the lowest temperatures will be recorded between 32°F and 44.6°F.
With the highest temperature of 69.8°F, Tuesday will be the warmest day; expect the coldest day on Sunday with a high of 60.8°F.
Updated: Oct 17, 2026 @ 22:45:20 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, uninterrupted sunshine is anticipated.
Tomorrow, the maximum temperature will be 60.8°F, while the minimum temperature will be 33.8°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be uncommonly lower than the average low of 46.6°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be uncommonly lower than the average low of 46.6°F.
On Sunday, in Grantham, sunrise will be at 7:22 am and sunset at 6:24 pm (EDT).
Tomorrow, the daylight will last for 11h and 2min.





