Surfside (Nantucket) Weather Forecast

    • 59
    • 72

    Rain Showers Likely

    • 61
    • 72

    Chance Rain Showers

    • 61
    • 75

    Breezy

    • 62
    • 75

    Mostly Sunny

    • 63
    • 76

    Chance Rain Showers

    • 62
    • 76

    Chance Rain Showers

Today 20 Aug Nantucket

Partly sunny. A chance of rain this afternoon. Highs around 70. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 20 Aug Nantucket

Rain likely in the Evening, then Showers likely after midnight. Patchy fog. Lows in the lower 60s. East Winds 15 to 20 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Surfside (Nantucket) Temperature Statistics

August Temperature

Nantucket, Nantucket Memorial Airport (0.6 miles)

  • Lowest 3 August, 2025

    51.7 °F

  • Average August

    68.2 °F

  • Highest 12 August, 2025

    82.7 °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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