10-Day Weather Forecast - Mercersburg, PA

Mostly cloudy this morning then becoming partly sunny. Highs in the lower 50s. Southwest winds around 5 mph becoming northwest with gusts up to 20 mph this afternoon.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 20s. North winds 5 to 10 mph.

Freezing rain and sleet in the afternoon. Little or no sleet accumulation. Ice accumulation of up to a tenth of an inch. Much cooler with highs in the lower 30s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of precipitation near 100 percent.

Freezing rain and sleet in the evening. Little or no sleet accumulation. Lows in the upper 20s. Southeast winds 5 to 10 mph with gusts up to 20 mph becoming east after midnight. Chance of precipitation near 100 percent.

Cloudy. Highs in the upper 30s. Northeast winds around 5 mph.

Mostly cloudy. Lows in the upper 20s.

Cloudy with a 50 percent chance of rain. Highs in the lower 40s.

Rain likely in the evening then rain after midnight. Not as cool with lows in the upper 30s. Chance of rain 80 percent.

Mostly cloudy. A chance of rain in the morning. Highs in the upper 40s. Temperature falling into the upper 30s in the afternoon. Chance of rain 50 percent.

Mostly cloudy. Much cooler with lows in the lower 20s.

Partly sunny. Much cooler with highs in the lower 30s.

Mostly cloudy. Lows in the lower 20s.

Partly sunny. Highs in the upper 30s.

Partly cloudy. Low temperature around 24F. Dew point will be around 15F with an average humidity of 62%. Winds will be 7 mph from the W.

Mostly sunny. High temperature around 37F. Dew point will be around 18F with an average humidity of 57%. Winds will be 5 mph from the W.

Mostly clear. Low temperature around 23F. Dew point will be around 18F with an average humidity of 70%. Winds will be 3 mph from the W.

Mostly sunny. High temperature around 35F. Dew point will be around 18F with an average humidity of 59%. Winds will be 1 mph from the NW.

Partly cloudy. Low temperature around 26F. Dew point will be around 19F with an average humidity of 67%. Winds will be 1 mph from the SE.

Cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. High temperature around 36F. Dew point will be around 25F with an average humidity of 73%. Winds will be 3 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 32F. Dew point will be around 30F with an average humidity of 83%. Winds will be 2 mph from the S.