Wellfleet Weather Forecast

    • 60
    • 62

    Rain

    • 55
    • 66

    Chance Rain

    • 55
    • 65

    Mostly Cloudy

    • 55
    • 65

    Mostly Cloudy

    • 55
    • 66

    Chance Rain Showers

    • 54
    • 66

    Rain Showers Likely

Today 20 Sep Barnstable

Mostly cloudy. Showers likely this afternoon. Patchy fog this afternoon. Highs in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 20 Sep Barnstable

Showers likely. Patchy fog. Lows in the mid 50s. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wellfleet Temperature Statistics

September Temperature

Provincetown Municipal Airport (13 miles)

  • Lowest 15 September, 2026

    48.9 °F

  • Average September

    67.1 °F

  • Highest 10 September, 2026

    82.9 °F

Climate (2021–2026)

Provincetown Municipal Airport (13 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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