Northwest Harwich Weather Forecast

    • 49
    • 65

    Rain Showers

    • 45
    • 62

    Partly Sunny

    • 42
    • 60

    Partly Sunny

    • 38
    • 56

    Partly Sunny

    • 42
    • 55

    Mostly Cloudy

    • 43
    • 55

    Chance Rain Showers

Today 22 Oct Barnstable

Widespread Showers this Morning, then mostly sunny with isolated Showers this afternoon. Highs in the mid 60s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 22 Oct Barnstable

Partly cloudy. Lows in the lower 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Northwest Harwich Temperature Statistics

October Temperature

Chatham, Chatham Municipal Airport (5.6 miles)

  • Lowest 10 October, 2025

    39 °F

  • Average October

    57.2 °F

  • Highest 5 October, 2025

    77 °F

Climate (2020–Present)

Chatham, Chatham Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    47.7 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    60.1 °F
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