Harwich Weather Forecast

    • 63
    • 74

    Slight Chance Rain Showers

    • 63
    • 73

    Chance Rain Showers

    • 65
    • 72

    Rain Showers Likely

    • 60
    • 72

    Rain Showers

    • 57
    • 70

    Chance Rain Showers

    • 57
    • 67

    Rain Showers Likely

Today 27 Sep Barnstable

Mostly cloudy in the Morning, then becoming partly sunny. Patchy fog in the morning. Humid with Highs in the mid 70s. South Winds 10 to 15 Mph.

Tonight 27 Sep Barnstable

Mostly cloudy. Patchy fog. Humid with Lows in the lower 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harwich Temperature Statistics

September Temperature

Chatham, Chatham Municipal Airport (4.3 miles)

  • Lowest 19 September, 2020

    46 °F
  • Average September

    65.4 °F
  • Highest 4 September, 2020

    82.9 °F

Climate (2010–Present)

Chatham, Chatham Municipal Airport (4.3 miles)

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  • Average Low 2010–Present

    46.3 °F
  • Average 2010–Present

    52.4 °F
  • Average High 2010–Present

    58.5 °F
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