Weather in Mercersburg, Pennsylvania, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Mercersburg
Tonight |
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Temperature: 69°F Wind Speed: 1 mph Wind Direction: S Forecast: A slight chance of rain showers before midnight, then areas of fog and a slight chance of rain showers. Mostly cloudy, with a low around 69. South wind around 1 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Thursday |
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Temperature: 84°F Wind Speed: 0 to 3 mph Wind Direction: SW Forecast: Areas of fog before 9am, then showers and thunderstorms likely between 9am and 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 84. Southwest wind 0 to 3 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
Thursday Night |
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Temperature: 69°F Wind Speed: 2 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then patchy fog. Partly cloudy, with a low around 69. Southwest wind around 2 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
Friday |
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Temperature: 86°F Wind Speed: 1 to 7 mph Wind Direction: W Forecast: A chance of rain showers and patchy fog before 11am, then showers and thunderstorms likely. Mostly cloudy, with a high near 86. West wind 1 to 7 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
Friday Night |
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Temperature: 66°F Wind Speed: 1 to 5 mph Wind Direction: NW Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Northwest wind 1 to 5 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
Saturday |
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Temperature: 83°F Wind Speed: 1 to 5 mph Wind Direction: N Forecast: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
Saturday Night |
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Temperature: 63°F Wind Speed: 1 to 5 mph Wind Direction: N Forecast: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 40%. |
Sunday |
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Temperature: 83°F Wind Speed: 5 mph Wind Direction: E Forecast: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. |
Sunday Night |
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Temperature: 63°F Wind Speed: 2 mph Wind Direction: E Forecast: A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. |
Monday |
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Temperature: 85°F Wind Speed: 0 to 5 mph Wind Direction: E Forecast: Mostly sunny, with a high near 85. |
Monday Night |
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Temperature: 65°F Wind Speed: 0 to 5 mph Wind Direction: SW Forecast: Mostly clear, with a low around 65. |
Tuesday |
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Temperature: 90°F Wind Speed: 0 to 5 mph Wind Direction: W Forecast: Sunny, with a high near 90. |
Tuesday Night |
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Temperature: 68°F Wind Speed: 3 mph Wind Direction: W Forecast: Mostly clear, with a low around 68. |
Wednesday |
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Temperature: 93°F Wind Speed: 1 to 8 mph Wind Direction: W Forecast: Sunny, with a high near 93. |