Lieutenant Island Weather Forecast

    • 33
    • 37

    Decreasing Clouds

    • 32
    • 38

    Snow

    • 32
    • 36

    Partly Sunny

    • 32
    • 38

    Chance Rain/Snow

    • 30
    • 37

    Chance Rain/Snow

    • 30
    • 36

    Chance Snow

Today 17 Feb Barnstable

Cloudy with isolated Flurries or patchy very light freezing drizzle. Highs in the mid 30s. Southwest Winds 5 to 10 Mph.

Tonight 17 Feb Barnstable

Mostly cloudy. Near steady temperature in the lower 30s. West Winds 5 to 10 Mph.

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Lieutenant Island Temperature Statistics

February Temperature

Chatham, Chatham Municipal Airport (14.3 miles)

  • Lowest 8 February, 2026

    14 °F

  • Average February

    26.7 °F

  • Highest 11 February, 2026

    39.9 °F

Climate (2021–Present)

Chatham, Chatham Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    59.9 °F
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