Chatham Harbor Weather Forecast

    • 64
    • 74

    Increasing Clouds

    • 65
    • 70

    Slight Chance Rain Showers

    • 63
    • 78

    Rain Showers Likely

    • 65
    • 77

    Partly Sunny

    • 67
    • 76

    Partly Sunny

    • 68
    • 78

    Slight Chance Rain Showers

    • 69
    • 78

    Slight Chance Rain Showers

Today 25 Jun Barnstable

Sunny. Near steady temperature in the mid 70s. South Winds 5 to 10 Mph.

Tonight 25 Jun Barnstable

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chatham Harbor Temperature Statistics

June Temperature

Chatham, Chatham Municipal Airport (1.9 miles)

  • Lowest 2 June, 2026

    42.1 °F

  • Average June

    65.5 °F

  • Highest 13 June, 2026

    84 °F

Climate (2021–2026)

Chatham, Chatham Municipal Airport (1.9 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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