Lieutenant Island Weather Forecast

    • 23
    • 30

    Increasing Clouds

    • 32
    • 39

    Rain/Snow

    • 32
    • 37

    Rain Likely

    • 32
    • 38

    Slight Chance Rain

    • 33
    • 41

    Partly Sunny

    • 23
    • 39

    Mostly Cloudy

Today 24 Feb Barnstable

Mostly sunny. Highs around 30. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 24 Feb Barnstable

Mostly cloudy. Near steady temperature in the mid 20s. Northwest Winds 15 to 20 Mph with Gusts up to 35 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

    28.9 °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

    47.5 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    59.9 °F
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