10-Day Weather Forecast - Harwich, MA

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  • |67°F
    Thunderstorms

    Tonight

    67°F

    Mostly cloudy. Showers with a slight chance of thunderstorms. Patchy fog. Near steady temperature in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

    Hourly details
  • 77|66°F
    50% Chance of Storms

    Day

    77°F

    Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning then sunny in the afternoon. Patchy fog in the morning. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph becoming northwest in the afternoon. Chance of rain 50 percent.

    Night

    66°F

    Partly cloudy. Lows in the lower 60s. Southwest winds around 5 mph becoming northwest after midnight.

    Hourly details
  • 74|64°F
    Sunny

    Day

    74°F

    Sunny. Highs in the upper 70s. North winds around 5 mph becoming southeast in the afternoon.

    Night

    64°F

    Mostly clear. Lows in the lower 60s. Southwest winds 5 to 10 mph.

    Hourly details
  • 73|64°F
    Partly Cloudy

    Day

    73°F

    Partly cloudy. Highs in the upper 70s. Lows in the lower 60s.

    Night

    64°F

    Partly cloudy. Highs in the upper 70s. Lows in the lower 60s.

    Hourly details
  • 76|65°F
    30% Chance Rain Showers

    Day

    76°F

    Partly sunny with a 30 percent chance of showers. Highs in the lower 80s.

    Night

    65°F

    Mostly cloudy with a 50 percent chance of showers. Lows in the upper 60s.

    Hourly details
  • 78|67°F
    40% Chance Rain Showers

    Day

    78°F

    Partly sunny with a 40 percent chance of showers. Highs in the mid 80s.

    Night

    67°F

    Partly cloudy with a 30 percent chance of showers. Lows in the upper 60s.

    Hourly details
  • 77|65°F
    Sunny

    Day

    77°F

    Sunny. Highs in the mid 80s.

    Night

    65°F

    Mostly clear. Lows in the mid 60s. Highs in the lower 80s.

    Hourly details
  • 75|65°F
    Mostly Sunny

    Day

    75°F

    Mostly clear. Lows in the mid 60s. Highs in the lower 80s.

    Night

    65°F

    Mostly clear. Low temperature around 65F. Dew point will be around 60F with an average humidity of 79%. Winds will be 10 mph from the W.

  • 75|65°F
    40% Chance of Rain

    Day

    75°F

    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 75F. Dew point will be around 60F with an average humidity of 67%. Winds will be 5 mph from the W.

    Night

    65°F

    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 65F. Dew point will be around 62F with an average humidity of 85%. Winds will be 4 mph from the SW.

  • 75|65°F
    40% Chance of Rain

    Day

    75°F

    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 75F. Dew point will be around 61F with an average humidity of 68%. Winds will be 4 mph from the NE.

    Night

    65°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 65F. Dew point will be around 61F with an average humidity of 84%. Winds will be 3 mph from the E.