Northwest Harwich Weather Forecast

    • 63
    • 74

    Mostly Sunny

    • 61
    • 81

    Chance Rain Showers

    • 64
    • 80

    Chance Rain Showers

    • 62
    • 81

    Chance Rain Showers

    • 59
    • 80

    Mostly Sunny

    • 57
    • 80

    Partly Sunny

Today 16 Jun Barnstable

Sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph, becoming southwest 10 to 15 Mph in the afternoon. Gusts up to 25 Mph.

Tonight 16 Jun Barnstable

Mostly clear. Lows in the lower 60s. Southwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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Northwest Harwich Temperature Statistics

June Temperature

Chatham, Chatham Municipal Airport (5.6 miles)

  • Lowest 2 June, 2026

    42.1 °F

  • Average June

    64 °F

  • Highest 13 June, 2026

    84 °F

Climate (2021–Present)

Chatham, Chatham Municipal Airport (5.6 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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