10-Day Weather Forecast - Mercersburg, PA

Mostly sunny. Highs in the upper 60s. East winds 5 to 10 mph becoming south with gusts up to 20 mph in the afternoon.

Mostly cloudy. Mild. Lows in the mid 50s. South winds 5 to 10 mph with gusts up to 20 mph.

Mostly cloudy. A chance of showers in the afternoon. Warmer with highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 40 percent.

Partly cloudy. A chance of showers in the evening. Unseasonably mild. Lows in the upper 50s. Chance of rain 40 percent.

Mostly sunny. Unseasonably warm with highs in the mid 80s.

Partly cloudy in the evening then becoming mostly cloudy. Unseasonably mild. Lows in the lower 60s.

Partly sunny. Continued unseasonably hot with highs in the upper 80s.

Mostly cloudy. Unseasonably mild. Lows in the mid 60s.

Partly sunny. Continued unseasonably hot with highs in the mid 80s.

Mostly cloudy with a 30 percent chance of showers. Unseasonably mild. Lows in the lower 60s.

Partly sunny with a chance of showers. Continued unseasonably warm with highs in the lower 80s. Chance of rain 40 percent.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 63F. Dew point will be around 56F with an average humidity of 66%. Winds will be 3 mph from the S.

Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 79F. Dew point will be around 59F with an average humidity of 62%. Winds will be 4 mph from the SW.

Mostly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 53F. Dew point will be around 48F with an average humidity of 58%. Winds will be 6 mph from the NW.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 64F. Dew point will be around 37F with an average humidity of 46%. Winds will be 7 mph from the NW.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 44F. Dew point will be around 32F with an average humidity of 49%. Winds will be 4 mph from the NW.

Sunny. High temperature around 63F. Dew point will be around 34F with an average humidity of 46%. Winds will be 2 mph from the N.

Clear. Low temperature around 47F. Dew point will be around 37F with an average humidity of 56%. Winds will be 1 mph from the SE.