South Wellfleet Weather Forecast

    • 59
    • 66

    Rain Showers Likely

    • 58
    • 65

    Rain Showers Likely

    • 57
    • 62

    Mostly Cloudy

    • 58
    • 64

    Partly Sunny

    • 60
    • 68

    Partly Sunny

    • 58
    • 68

    Mostly Cloudy

Today 27 Sep Barnstable

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Patchy fog. Near steady temperature in the mid 60s. Northeast Winds 15 to 20 Mph with Gusts up to 50 Mph. Chance of rain 50 percent.

Tonight 27 Sep Barnstable

Showers likely with a chance of Thunderstorms in the Evening, then Showers likely after midnight. Patchy fog. Lows in the upper 50s. Northeast Winds 15 to 20 Mph. Gusts up to 35 Mph, decreasing to 25 Mph after midnight. Chance of rain 70 percent.

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South Wellfleet Temperature Statistics

September Temperature

Provincetown Municipal Airport (15.5 miles)

  • Lowest 15 September, 2026

    48.9 °F

  • Average September

    65.3 °F

  • Highest 10 September, 2026

    82.9 °F

Climate (2021–2026)

Provincetown Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    58.4 °F
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