Falmouth Harbor Weather Forecast

    • 33
    • 45

    Slight Chance Rain

    • 27
    • 39

    Snow Likely

    • 19
    • 35

    Partly Sunny

    • 13
    • 24

    Mostly Sunny

    • 26
    • 34

    Mostly Cloudy

    • 23
    • 38

    Chance Snow Showers

Today 17 Jan Barnstable

Mostly cloudy. A slight chance of rain in the afternoon. Not as cool with Highs in the mid 40s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 17 Jan Barnstable

Partly cloudy. Near steady temperature in the lower 30s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Falmouth Harbor Temperature Statistics

January Temperature

Otis Air National Guard Base (8.1 miles)

  • Lowest 5 January, 2026

    14 °F

  • Average January

    32.7 °F

  • Highest 9 January, 2026

    51.8 °F

Climate (2021–Present)

Otis Air National Guard Base (8.1 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    59.2 °F
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