Rock Harbor Beach Weather Forecast

    • 67
    • 80

    Chance Rain Showers

    • 66
    • 76

    Mostly Sunny

    • 65
    • 77

    Mostly Sunny

    • 65
    • 75

    Partly Sunny

    • 64
    • 71

    Rain Showers Likely

    • 64
    • 72

    Partly Sunny

Today 18 Jun Barnstable

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the afternoon. Breezy with Highs in the lower 70s. South Winds 15 to 25 Mph. Gusts up to 30 Mph, increasing to 45 Mph in the afternoon. Chance of rain 40 percent.

Tonight 18 Jun Barnstable

Mostly cloudy. Near steady temperature around 60. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Rock Harbor Beach Temperature Statistics

June Temperature

Chatham, Chatham Municipal Airport (7.5 miles)

  • Lowest 2 June, 2026

    42.1 °F

  • Average June

    64.8 °F

  • Highest 13 June, 2026

    84 °F

Climate (2021–2026)

Chatham, Chatham Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    59.8 °F
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