Weather in Mercersburg, Pennsylvania, United States

7-Day Detailed Weather Forecast for Mercersburg

Overnight

Temperature: 47°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 47. South wind around 5 mph.

Thursday

Temperature: 77°F

Wind Speed: 3 to 10 mph

Wind Direction: SW

Forecast: A slight chance of rain after 1pm. Partly sunny, with a high near 77. Southwest wind 3 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Thursday Night

Temperature: 50°F

Wind Speed: 7 mph

Wind Direction: W

Forecast: A chance of thunderstorms and a chance of rain before midnight, then rain and a chance of thunderstorms. Mostly cloudy. Low around 50, with temperatures rising to around 61 overnight. West wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

Temperature: 54°F

Wind Speed: 5 to 8 mph

Wind Direction: N

Forecast: Rain. Cloudy, with a high near 54. North wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night

Temperature: 30°F

Wind Speed: 2 to 7 mph

Wind Direction: N

Forecast: A chance of rain before 8pm. Mostly cloudy, with a low around 30. North wind 2 to 7 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Saturday

Temperature: 46°F

Wind Speed: 6 to 9 mph

Wind Direction: NW

Forecast: Sunny, with a high near 46.

Saturday Night

Temperature: 29°F

Wind Speed: 1 to 6 mph

Wind Direction: W

Forecast: Mostly clear, with a low around 29.

Sunday

Temperature: 57°F

Wind Speed: 2 to 8 mph

Wind Direction: S

Forecast: Sunny, with a high near 57.

Sunday Night

Temperature: 41°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 41.

Monday

Temperature: 63°F

Wind Speed: 3 to 10 mph

Wind Direction: SW

Forecast: A chance of rain after 2pm. Partly sunny, with a high near 63. Chance of precipitation is 30%.

Monday Night

Temperature: 50°F

Wind Speed: 2 to 7 mph

Wind Direction: SW

Forecast: A chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.

Tuesday

Temperature: 68°F

Wind Speed: 2 to 7 mph

Wind Direction: SW

Forecast: A chance of rain. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.

Tuesday Night

Temperature: 51°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: A chance of rain. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.

Wednesday

Temperature: 73°F

Wind Speed: 3 to 9 mph

Wind Direction: S

Forecast: A chance of rain before 2pm, then a chance of rain and a slight chance of thunderstorms. Partly sunny, with a high near 73.