10-Day Weather Forecast - Herndon, PA

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  • 80|58°F
    Mostly Sunny

    Today

    80°F

    Mostly sunny with a slight chance of showers and thunderstorms. Some thunderstorms may produce gusty winds. Near steady temperature in the upper 70s. Northwest winds around 10 mph with gusts up to 25 mph. Chance of rain 20 percent.

    Tonight

    58°F

    Partly cloudy. A slight chance of showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. Lows in the mid 50s. West winds 5 to 10 mph with gusts up to 20 mph in the evening becoming light and variable. Chance of rain 20 percent.

    Hourly details
  • 78|62°F
    Mostly Sunny

    Day

    78°F

    Mostly sunny. Highs in the upper 70s. West winds 5 to 10 mph.

    Night

    62°F

    Mostly cloudy. Lows in the upper 50s. Northwest winds around 5 mph becoming east after midnight.

    Hourly details
  • 74|62°F
    Thunderstorms

    Day

    74°F

    Showers in the morning then showers with a chance of thunderstorms in the afternoon. Locally heavy rainfall possible in the morning. Highs in the lower 70s. East winds 5 to 10 mph becoming southeast in the afternoon. Gusts up to 25 mph. Chance of rain near 100 percent.

    Night

    62°F

    A chance of thunderstorms in the evening. Showers. Lows in the lower 60s. Chance of rain near 100 percent.

    Hourly details
  • 77|57°F
    50% Chance Rain Showers

    Day

    77°F

    Partly sunny. A chance of showers in the morning. Highs in the upper 70s. Chance of rain 50 percent.

    Night

    57°F

    Mostly clear. Lows in the mid 50s.

    Hourly details
  • 79|60°F
    Sunny

    Day

    79°F

    Sunny. Highs around 80.

    Night

    60°F

    Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s.

    Hourly details
  • 79|62°F
    70% Chance of Storms

    Day

    79°F

    Partly sunny. A chance of showers in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 70 percent.

    Night

    62°F

    Showers likely with a chance of thunderstorms. Lows around 60. Chance of rain 70 percent.

    Hourly details
  • 79|63°F
    40% Chance of Storms

    Day

    79°F

    Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.

    Night

    63°F

    Partly cloudy with a 40% chance for rain and thunderstorms. Low temperature around 63F. Dew point will be around 64F with an average humidity of 89%. Winds will be 1 mph from the S.

  • 80|65°F
    40% Chance of Rain

    Day

    80°F

    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 80F. Dew point will be around 66F with an average humidity of 75%. Winds will be 2 mph from the W.

    Night

    65°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 65F. Dew point will be around 64F with an average humidity of 83%. Winds will be 1 mph from the SW.

  • 80|66°F
    Partly Cloudy

    Day

    80°F

    Partly cloudy. High temperature around 80F. Dew point will be around 67F with an average humidity of 78%. Winds will be 1 mph from the SW.

    Night

    66°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 66F. Dew point will be around 65F with an average humidity of 83%. Winds will be 1 mph from the SE.

  • 84|68°F
    40% Chance of Rain

    Day

    84°F

    Sunny with a chance of rain. Chance of precipitation 35%. High temperature around 84F. Dew point will be around 69F with an average humidity of 76%. Winds will be 2 mph from the S.

    Night

    68°F

    Mostly clear with a chance of rain. Chance of precipitation 40%. Low temperature around 68F. Dew point will be around 66F with an average humidity of 79%. Winds will be 2 mph from the S.