Lieutenant Island Weather Forecast

    • 16
    • 19

    Blustery

    • 26
    • 32

    Snow

    • 18
    • 37

    Snow

    • 18
    • 24

    Mostly Cloudy

    • 18
    • 26

    Mostly Cloudy

    • 19
    • 26

    Mostly Cloudy

Today 24 Jan Barnstable

Mostly sunny. Heavy freezing spray in the morning. Much Colder with Highs around 17. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 24 Jan Barnstable

Mostly cloudy. Near steady temperature around 13. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Lieutenant Island Temperature Statistics

January Temperature

Chatham, Chatham Municipal Airport (14.3 miles)

  • Lowest 21 January, 2026

    12.9 °F
  • Average January

    35 °F
  • Highest 11 January, 2026

    48.9 °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

    53.9 °F
  • Average High 2021–2026

    60 °F
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