Siasconset Weather Forecast

    • 67
    • 75

    Patchy Fog

    • 68
    • 75

    Rain Showers Likely

    • 67
    • 76

    Rain Showers Likely

    • 65
    • 75

    Chance Rain Showers

    • 65
    • 73

    Chance Rain Showers

    • 65
    • 74

    Chance Rain Showers

    • 64
    • 73

    Slight Chance Rain Showers

Today 6 Jul Nantucket

Sunny. Near steady temperature in the mid 70s. Southwest Winds 15 to 20 Mph.

Tonight 6 Jul Nantucket

Partly cloudy this Evening, then becoming mostly cloudy. Patchy fog. Near steady temperature in the upper 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Siasconset Temperature Statistics

July Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 4 July, 2025

    59 °F

  • Average July

    67.3 °F

  • Highest 4 July, 2025

    75.9 °F

Climate (2020–Present)

Nantucket, Nantucket Memorial Airport (4.3 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    59.4 °F
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