10-Day Weather Forecast - Harmonsburg, PA

Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Cooler with highs in the upper 60s. Northwest winds 5 to 10 mph. Chance of rain 50 percent.

Mostly cloudy. Cooler with lows in the upper 40s. North winds 5 to 10 mph.

Partly sunny. Highs in the upper 60s. East winds around 5 mph.

Showers. Lows in the mid 50s. Southeast winds 5 to 10 mph, increasing to southwest 15 to 20 mph with gusts up to 30 mph after midnight. Chance of rain near 100 percent.

Showers, breezy with highs in the lower 60s. Temperature falling into the lower 50s in the afternoon. Chance of rain near 100 percent.

Rain showers, mainly in the evening. Breezy and much cooler with lows in the mid 30s. Chance of rain near 100 percent.

Partly cloudy in the morning, then clearing. Cooler with highs in the upper 40s.

Mostly clear. Lows in the lower 30s.

Sunny. Not as cool with highs in the upper 50s.

Mostly clear. Lows in the upper 30s.

Partly sunny. Highs in the lower 60s.

Mostly cloudy. Lows in the lower 40s.

Partly cloudy. Highs in the mid 60s.

Clear. Low temperature around 42F. Dew point will be around 44F with an average humidity of 93%. Winds will be 3 mph from the E.

Partly cloudy. High temperature around 65F. Dew point will be around 51F with an average humidity of 76%. Winds will be 4 mph from the ENE.

Partly cloudy. Low temperature around 46F. Dew point will be around 47F with an average humidity of 91%. Winds will be 7 mph from the E.

Partly cloudy. High temperature around 68F. Dew point will be around 50F with an average humidity of 70%. Winds will be 10 mph from the SSE.

Mostly cloudy. Low temperature around 53F. Dew point will be around 48F with an average humidity of 74%. Winds will be 13 mph from the SSE.