Eastham Weather Forecast

    • 59
    • 74

    Mostly Cloudy

    • 62
    • 71

    Mostly Cloudy

    • 65
    • 75

    Partly Sunny

    • 70
    • 77

    Chance Rain Showers

    • 73
    • 91

    Slight Chance Thunderstorms

    • 73
    • 91

    Slight Chance Rain Showers

Today 27 Jun Barnstable

Partly sunny. Near steady temperature in the lower 70s. East Winds 5 to 10 Mph.

Tonight 27 Jun Barnstable

Mostly cloudy. Lows in the lower 60s. East Winds around 5 Mph.

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Eastham Temperature Statistics

June Temperature

Chatham, Chatham Municipal Airport (9.3 miles)

  • Lowest 2 June, 2026

    42.1 °F

  • Average June

    65.8 °F

  • Highest 13 June, 2026

    84 °F

Climate (2021–2026)

Chatham, Chatham Municipal Airport (9.3 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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