10-Day Weather Forecast - Grantham, PA

Mostly sunny. Highs around 80. Northeast winds around 5 mph.

Partly cloudy in the evening, then becoming mostly clear. Patchy fog after midnight. Lows in the mid 50s. North winds around 5 mph.

Patchy fog in the morning. Sunny. Highs in the upper 70s. Light and variable winds.

Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s.

Mostly sunny. Highs in the lower 80s.

Partly cloudy. Lows in the lower 60s.

Mostly sunny. Hot with highs in the upper 80s.

Partly cloudy. Humid, warm with lows around 70.

Mostly sunny. Humid with highs in the lower 80s.

Partly cloudy. Cooler with lows in the upper 50s.

Mostly sunny. Highs in the upper 70s.

Clear. Low temperature around 54F. Dew point will be around 51F with an average humidity of 75%. Winds will be 2 mph from the N.

Sunny. High temperature around 69F. Dew point will be around 51F with an average humidity of 67%. Winds will be 1 mph from the N.

Clear. Low temperature around 56F. Dew point will be around 52F with an average humidity of 73%. Winds will be 1 mph from the SE.

Sunny. High temperature around 72F. Dew point will be around 53F with an average humidity of 67%. Winds will be 2 mph from the SE.

Clear. Low temperature around 58F. Dew point will be around 55F with an average humidity of 77%. Winds will be 3 mph from the SE.