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Mercersburg, PA
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7-Day Forecast
This Afternoon
Partly Sunny
High: 85°
Partly sunny with a high near 85.
Southwest wind 11 to 13 mph
with gusts as high as 29 mph.
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Tonight
Slight Chance Showers then Mostly Cloudy
Low: 58°
A slight chance of showers before 11pm.
Mostly cloudy with a low around 58.
West wind around 9 mph becoming
northwest after midnight.
Chance of precipitation is 20%.
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Sunday
Decreasing Clouds
High: 71°
Cloudy,
then gradually becoming mostly sunny with a high near 71.
North wind 5 to 9 mph.
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Sunday Night
Mostly Cloudy then Slight Chance Showers
Low: 54°
A slight chance of showers after 2am.
Increasing clouds with a low around 54.
East wind 3 to 5 mph.
Chance of precipitation is 20%.
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Monday
Mostly Cloudy then Chance Showers
High: 72°
A slight chance of showers before 8am,
then a chance of showers after 2pm.
Mostly cloudy with a high near 72.
Southeast wind 7 to 11 mph
with gusts as high as 25 mph.
Chance of precipitation is 30%.
New precipitation amounts of less than a tenth of an inch possible.
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Monday Night
Showers Likely
Low: 58°
A chance of showers and thunderstorms before 8pm,
then showers likely and possibly a thunderstorm
between 8pm and 2am,
then a slight chance of showers after 2am.
Mostly cloudy with a low around 58.
Chance of precipitation is 60%.
New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
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Tuesday
Mostly Sunny
High: 75°
Mostly sunny with a high near 75.
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Tuesday Night
Mostly Cloudy
Low: 49°
Mostly cloudy with a low around 49.
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Wednesday
Mostly Sunny
High: 75°
Mostly sunny with a high near 75.
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Wednesday Night
Partly Cloudy
Low: 52°
Partly cloudy with a low around 52.
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Thursday
Mostly Sunny
High: 78°
Mostly sunny with a high near 78.
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Thursday Night
Chance Showers
Low: 56°
A chance of showers.
Mostly cloudy with a low around 56.
Chance of precipitation is 30%.
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Friday
Partly Sunny then Chance Showers
High: 77°
A chance of showers.
Partly sunny with a high near 77.
Chance of precipitation is 50%.
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Source: National Weather Service
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