10-Day Weather Forecast - Mount Gretna, PA

Partly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Very warm. Humid with highs in the mid 80s. Northwest winds 5 to 10 mph. Chance of rain 50 percent.

Mostly cloudy. Showers likely with a chance of thunderstorms in the evening. Humid with lows in the lower 60s. Northwest winds 5 to 10 mph. Chance of rain 60 percent.

Mostly sunny. Highs around 80. North winds 5 to 10 mph.

Mostly clear. Lows in the mid 50s. North winds 5 to 10 mph.

Sunny. Highs in the upper 70s.

Mostly clear. Lows in the mid 50s.

Sunny. Highs in the upper 70s.

Mostly clear. Lows in the mid 50s.

Mostly sunny. Highs in the lower 80s.

Partly cloudy. Lows in the upper 50s.

Mostly sunny. Highs in the lower 80s.

Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent.

Mostly sunny. A chance of showers in the morning. Humid. Very warm with highs in the mid 80s. Chance of rain 40 percent.

Partly cloudy with a 35% chance for rain and thunderstorms. Low temperature around 67F. Dew point will be around 65F with an average humidity of 82%. Winds will be 4 mph from the W.

Partly cloudy. High temperature around 78F. Dew point will be around 64F with an average humidity of 73%. Winds will be 5 mph from the NW.

Partly cloudy. Low temperature around 62F. Dew point will be around 60F with an average humidity of 84%. Winds will be 2 mph from the NW.

Mostly sunny. High temperature around 76F. Dew point will be around 61F with an average humidity of 72%. Winds will be 1 mph from the N.

Mostly clear. Low temperature around 61F. Dew point will be around 60F with an average humidity of 86%. Winds will be 2 mph from the SE.