Siasconset Weather Forecast

    • 34
    • 39

    Becoming Sunny

    • 40
    • 45

    Slight Chance Rain

    • 39
    • 49

    Chance Rain

    • 27
    • 47

    Chance Rain

    • 29
    • 36

    Partly Sunny

    • 36
    • 42

    Partly Sunny

Today 24 Mar Nantucket

Mostly sunny. Highs around 40. North Winds 10 to 15 Mph.

Tonight 24 Mar Nantucket

Partly cloudy in the Evening, then becoming mostly cloudy. Near steady temperature in the upper 30s. Southwest Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Siasconset Temperature Statistics

March Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 3 March, 2026

    14 °F

  • Average March

    39 °F

  • Highest 11 March, 2026

    55 °F

Climate (2021–Present)

Nantucket, Nantucket Memorial Airport (4.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    59.1 °F
Get WillyWeather+ to remove ads