Harwich Weather Forecast

    • 27
    • 38

    Rain

    • 25
    • 34

    Chance Flurries

    • 27
    • 36

    Chance Snow

    • 23
    • 34

    Chance Snow

    • 19
    • 32

    Partly Sunny

    • 29
    • 40

    Chance Rain

Today 20 Feb Barnstable

Mostly cloudy. A slight chance of rain this Morning, then rain with a chance of snow this afternoon. Highs in the upper 30s. East Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon. Chance of precipitation 80 percent.

Tonight 20 Feb Barnstable

Cloudy. Rain with a chance of freezing rain in the Evening, then a chance of rain and snow after midnight. Snow accumulation up to 1 inch. Lows in the upper 20s. East Winds 5 to 10 Mph, becoming northeast after midnight. Gusts up to 20 Mph. Chance of precipitation 90 percent.

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Harwich Temperature Statistics

February Temperature

Chatham, Chatham Municipal Airport (4.3 miles)

  • Lowest 8 February, 2026

    14 °F

  • Average February

    27.7 °F

  • Highest 11 February, 2026

    39.9 °F

Climate (2021–Present)

Chatham, Chatham Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    59.9 °F
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