Surfside (Nantucket) Weather Forecast

    • 60
    • 71

    Chance Rain Showers

    • 61
    • 73

    Chance Rain Showers

    • 55
    • 74

    Mostly Sunny

    • 53
    • 66

    Mostly Sunny

    • 56
    • 67

    Partly Sunny

    • 59
    • 70

    Partly Sunny

Today 17 Sep Nantucket

Partly sunny. A slight chance of Showers in the Morning, then a chance of Showers in the afternoon. Highs in the upper 60s. East Winds 10 to 15 Mph. Chance of rain 30 percent.

Tonight 17 Sep Nantucket

Mostly cloudy. Near steady temperature in the lower 60s. East Winds around 10 Mph.

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Surfside (Nantucket) Temperature Statistics

September Temperature

Nantucket, Nantucket Memorial Airport (0.6 miles)

  • Lowest 13 September, 2025

    48 °F

  • Average September

    64.2 °F

  • Highest 6 September, 2025

    75.9 °F

Climate (2020–Present)

Nantucket, Nantucket Memorial Airport (0.6 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    59.4 °F
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