Grantham, PA 7-Day Weather Forecast

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Grantham, PA 7-Day Weather Forecast

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Grantham PA weather  - Clear - 66°F
Clear
66°F
Updated 6:41 pm
Feels Like 55°F
Humidity 35%
Wind NW 12 mph
Barometer  30.04 in
Dew Point 38°F
Grantham PA weather  - Clear - 19°C
Clear
19°C
Updated 6:41 pm
Feels Like 13°C
Humidity 35%
Wind NW 19 km/h
Barometer  101.7 kPa
Dew Point 3°C
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Grantham Weather Forecast

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Grantham, PA Weather Forecast Date: 600 PM EDT Mon Oct 05 2026

Weather forecast for Grantham, PA


Tonight
Grantham PA Weather for Tonight - Mostly Clear
Lo: 41°F
Lo: 5°C
Tonight... Mostly clear. Cooler with lows in the lower 40s. Northwest winds 5 to 10 mph.
Tue
Grantham PA Weather for Tuesday - Sunny
Hi: 65°FHi: 18°C
Lo: 41°F
Lo: 5°C
Tuesday... Sunny. Highs in the mid 60s. Northwest winds around 5 mph.
Wed
Grantham PA Weather for Wednesday - Sunny
Hi: 71°FHi: 22°C
Lo: 51°F
Lo: 11°C
Wednesday... Sunny. Highs in the lower 70s. Southwest winds 5 to 10 mph.
Thu
Grantham PA Weather for Thursday - Sunny
Hi: 75°FHi: 24°C
Lo: 49°F
Lo: 9°C
Thursday... Sunny. Highs in the mid 70s.
Fri
Grantham PA Weather for Friday - Sunny
Hi: 71°FHi: 22°C
Lo: 49°F
Lo: 9°C
Friday... Sunny. Highs in the lower 70s.
Sat
Grantham PA Weather for Saturday - Sunny
Hi: 69°FHi: 21°C
Lo: 49°F
Lo: 9°C
Saturday... Sunny. Highs in the upper 60s.
Sun
Grantham PA Weather for Sunday - Partly Sunny
Hi: 70°FHi: 21°C
Lo: 51°F
Lo: 11°C
Sunday... Partly sunny. Highs around 70.

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