Weather Forecast for
Mercersburg, PA

Overnight: Mostly cloudy, with a low around 47. North wind 3 to 5 mph.

Monday: Partly sunny, with a high near 68. Calm wind becoming northwest 5 to 7 mph in the afternoon.

Monday Night: Mostly clear, with a low around 41. North wind around 5 mph becoming calm in the evening.

Tuesday: Sunny, with a high near 70. Light and variable wind.

Tuesday Night: Mostly cloudy, with a low around 50. Light south wind.

Wednesday: Showers, with thunderstorms also possible after 2pm. High near 70. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.

Thursday: Mostly sunny, with a high near 66.

Thursday Night: Mostly clear, with a low around 47.

Friday: Sunny, with a high near 74.

Friday Night: Partly cloudy, with a low around 53.

Saturday: Mostly sunny, with a high near 81.

Saturday Night: Partly cloudy, with a low around 57.

Sunday: Mostly sunny, with a high near 85.

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