Rock Harbor Beach Weather Forecast

    • 30
    • 32

    Increasing Clouds

    • 33
    • 36

    Partly Sunny

    • 36
    • 45

    Partly Sunny

    • 37
    • 44

    Chance Rain

    • 35
    • 46

    Chance Rain/Snow

    • 29
    • 44

    Partly Sunny

Today 18 Mar Barnstable

Mostly sunny. Cold with Highs in the mid 30s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the morning.

Tonight 18 Mar Barnstable

Mostly clear. Much cooler with Lows in the mid 20s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Harbor Beach Temperature Statistics

March Temperature

Chatham, Chatham Municipal Airport (7.5 miles)

  • Lowest 3 March, 2026

    15.1 °F

  • Average March

    38 °F

  • Highest 9 March, 2026

    59 °F

Climate (2021–Present)

Chatham, Chatham Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    59.9 °F
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