Wellfleet Harbor Breakwater Light Weather Forecast

    • 62
    • 73

    Becoming Sunny

    • 53
    • 74

    Mostly Sunny

    • 54
    • 67

    Mostly Sunny

    • 56
    • 68

    Partly Sunny

    • 60
    • 72

    Partly Sunny

    • 61
    • 75

    Slight Chance Rain Showers

Today 18 Sep Barnstable

Mostly cloudy with a slight chance of Showers and Thunderstorms this Morning, then partly sunny this afternoon. Patchy fog. Highs in the mid 70s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 18 Sep Barnstable

Partly cloudy in the Evening, then becoming mostly clear. Patchy fog. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wellfleet Harbor Breakwater Light Temperature Statistics

September Temperature

Provincetown Municipal Airport (13.7 miles)

  • Lowest 1 September, 2025

    50 °F

  • Average September

    63.9 °F

  • Highest 6 September, 2025

    78.1 °F

Climate (2020–Present)

Provincetown Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    58.7 °F
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