Mercersburg, Pennsylvania | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Sunday
    Rain
    63°
    Forecast night icon
    Night
    40% Chance Rain Showers
    60°
    Sunday 5/5
    Day
    63°
    Rain
    Forecast day icon
    Night
    60°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Patchy fog this morning. Rain this morning then showers likely this afternoon. Not as cool with highs in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain near 100 percent.
    Night Details
    Cloudy. A chance of showers mainly in the evening. Patchy fog. Not as cool with lows in the lower 60s. South winds around 5 mph. Chance of rain 40 percent.
  • Forecast day icon
    Monday
    30% Chance of Storms
    77°
    Forecast night icon
    Night
    Mostly Cloudy
    62°
    Monday 5/6
    Day
    77°
    30% Chance of Storms
    Forecast day icon
    Night
    62°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Warmer with highs in the upper 70s. Southwest winds around 5 mph becoming northwest around 5 mph in the afternoon. Chance of rain 30 percent.
    Night Details
    Mostly cloudy. Patchy fog after midnight. Lows in the upper 50s. Northwest winds around 5 mph.
  • Forecast day icon
    Tuesday
    50% Chance Rain Showers
    75°
    Forecast night icon
    Night
    50% Chance Rain Showers
    63°
    Tuesday 5/7
    Day
    75°
    50% Chance Rain Showers
    Forecast day icon
    Night
    63°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Northeast winds around 5 mph becoming south in the afternoon. Chance of rain 50 percent.
    Night Details
    Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 50 percent.
  • Forecast day icon
    Wednesday
    40% Chance Rain Showers
    82°
    Forecast night icon
    Night
    60% Chance Rain Showers
    59°
    Wednesday 5/8
    Day
    82°
    40% Chance Rain Showers
    Forecast day icon
    Night
    59°
    60% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. Highs in the mid 80s. Chance of rain 40 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A chance of showers in the evening then showers likely after midnight. Lows around 60. Chance of rain 60 percent.
  • Forecast day icon
    Thursday
    80% Chance of Storms
    71°
    Forecast night icon
    Night
    80% Chance of Storms
    58°
    Thursday 5/9
    Day
    71°
    80% Chance of Storms
    Forecast day icon
    Night
    58°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers. A chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 80 percent.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. A chance of thunderstorms. Showers mainly in the evening. Lows in the mid 50s. Chance of rain 80 percent.
  • Forecast day icon
    Friday
    50% Chance Rain Showers
    70°
    Forecast night icon
    Night
    50% Chance Rain Showers
    53°
    Friday 5/10
    Day
    70°
    50% Chance Rain Showers
    Forecast day icon
    Night
    53°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. Highs in the upper 60s. Chance of rain 50 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A chance of showers. Lows in the upper 40s. Chance of rain 50 percent.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    60°
    Forecast night icon
    Night
    40% Chance of Rain
    47°
    Saturday 5/11
    Day
    60°
    50% Chance Rain Showers
    Forecast day icon
    Night
    47°
    40% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of showers. Highs in the mid 60s. Chance of rain 50 percent.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 47F. Dew point will be around 43F with an average humidity of 75%. Winds will be 5 mph from the NW.
  • Forecast day icon
    Sunday
    40% Chance of Rain
    62°
    Forecast night icon
    Night
    30% Chance of Rain
    49°
    Sunday 5/12
    Day
    62°
    40% Chance of Rain
    Forecast day icon
    Night
    49°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 62F. Dew point will be around 45F with an average humidity of 62%. Winds will be 6 mph from the W.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 49F. Dew point will be around 47F with an average humidity of 80%. Winds will be 4 mph from the W.
  • Forecast day icon
    Monday
    Mostly Sunny
    67°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Monday 5/13
    Day
    67°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 67F. Dew point will be around 46F with an average humidity of 59%. Winds will be 6 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 51F. Dew point will be around 47F with an average humidity of 75%. Winds will be 4 mph from the W.
  • Forecast day icon
    Tuesday
    Sunny
    70°
    Forecast night icon
    Night
    Clear
    52°
    Tuesday 5/14
    Day
    70°
    Sunny
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 70F. Dew point will be around 47F with an average humidity of 58%. Winds will be 3 mph from the W.
    Night Details
    Clear. Low temperature around 52F. Dew point will be around 49F with an average humidity of 77%. Winds will be 2 mph from the W.