10-Day Weather Forecast - Mercersburg, PA

Partly sunny. A chance of rain in the afternoon. Unseasonably warm with highs in the upper 70s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 40 percent.

Rain likely with a chance of thunderstorms in the evening then rain after midnight. Some thunderstorms may be severe in the evening. Mild. Lows in the lower 40s. Northwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90 percent.

Mostly cloudy with rain in the morning then mostly sunny in the afternoon. Much cooler with highs in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.

Mostly clear. Much cooler with lows in the upper 20s.

Sunny. Highs in the upper 40s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s.

Partly sunny. Highs in the mid 50s.

Mostly cloudy. Lows in the upper 30s.

Partly sunny. Highs around 60.

Mostly cloudy with a 50 percent chance of rain. Lows in the lower 40s.

Partly sunny with a 50 percent chance of rain. Highs in the lower 50s.

Partly cloudy. Low temperature around 29F. Dew point will be around 20F with an average humidity of 47%. Winds will be 5 mph from the NW.

Sunny. High temperature around 50F. Dew point will be around 17F with an average humidity of 40%. Winds will be 3 mph from the W.

Clear. Low temperature around 31F. Dew point will be around 19F with an average humidity of 48%. Winds will be 1 mph from the SW.

Mostly sunny. High temperature around 50F. Dew point will be around 27F with an average humidity of 54%. Winds will be 3 mph from the SW.

Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 37F. Dew point will be around 29F with an average humidity of 61%. Winds will be 1 mph from the SW.

Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 55F. Dew point will be around 36F with an average humidity of 67%. Winds will be 2 mph from the SW.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 41F. Dew point will be around 36F with an average humidity of 68%. Winds will be 2 mph from the NW.