Wellfleet Weather Forecast

    • 52
    • 72

    Decreasing Clouds

    • 54
    • 63

    Partly Sunny

    • 58
    • 71

    Mostly Sunny

    • 53
    • 71

    Chance Rain Showers

    • 49
    • 62

    Slight Chance Rain Showers

    • 50
    • 59

    Mostly Cloudy

Today 17 May Barnstable

Sunny. Highs in the mid 70s. Southwest Winds 10 to 15 Mph.

Tonight 17 May Barnstable

Mostly clear. Lows in the mid 50s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northeast after midnight.

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Wellfleet Temperature Statistics

May Temperature

Provincetown Municipal Airport (13 miles)

  • Lowest 9 May, 2026

    39 °F

  • Average May

    52.9 °F

  • Highest 10 May, 2026

    66.9 °F

Climate (2021–Present)

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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