Cotuit Weather Forecast

    • 41
    • 49

    Rain Likely

    • 27
    • 54

    Rain

    • 33
    • 43

    Mostly Cloudy

    • 23
    • 47

    Slight Chance Rain

    • 22
    • 33

    Partly Sunny

    • 29
    • 41

    Chance Rain

Today 18 Dec Barnstable

Sunny. Highs in the upper 40s. South Winds 10 to 15 Mph.

Tonight 18 Dec Barnstable

Partly cloudy in the Evening, then mostly cloudy with a chance of rain after midnight. Patchy fog. Breezy and not as cool with Lows in the lower 40s. South Winds 10 to 15 Mph with Gusts up to 30 Mph, increasing to 20 to 25 Mph with Gusts up to 40 Mph after midnight. Chance of rain 50 percent.

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Cotuit Temperature Statistics

December Temperature

Otis Air National Guard Base (4.3 miles)

  • Lowest 5 December, 2025

    10.4 °F

  • Average December

    31.6 °F

  • Highest 10 December, 2025

    50 °F

Climate (2020–Present)

Otis Air National Guard Base (4.3 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    59.3 °F
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