Siasconset Weather Forecast

    • 60
    • 72

    Partly Sunny

    • 61
    • 69

    Chance Rain Showers

    • 54
    • 71

    Chance Rain Showers

    • 56
    • 62

    Mostly Sunny

    • 58
    • 67

    Mostly Sunny

    • 60
    • 68

    Partly Sunny

    • 60
    • 69

    Partly Sunny

Today 5 Jun Nantucket

Mostly sunny and not as cool. Near steady temperature in the mid 70s. Southwest Winds around 10 Mph.

Tonight 5 Jun Nantucket

Partly cloudy in the Evening, then clearing. Lows in the mid 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Siasconset Temperature Statistics

June Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 2 June, 2026

    42.1 °F

  • Average June

    54.6 °F

  • Highest 3 June, 2026

    70 °F

Climate (2021–Present)

Nantucket, Nantucket Memorial Airport (4.3 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    59 °F
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