Southwest Point Weather Forecast

    • 46
    • 46

    Chance Rain

    • 39
    • 49

    Rain Likely

    • 39
    • 42

    Chance Rain

    • 46
    • 50

    Chance Rain

    • 43
    • 51

    Chance Rain

    • 43
    • 52

    Chance Rain

Today 31 Mar Block Island

Mostly cloudy with Showers likely with a slight chance of Thunderstorms in the Morning, then partly sunny in the afternoon. Highs around 50. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 60 percent.

Tonight 31 Mar Block Island

Mostly cloudy. Patchy fog in the evening. Breezy. Near steady temperature in the mid 40s. Southwest Winds 15 to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Southwest Point Temperature Statistics

March Temperature

Block Island State Airport (1.9 miles)

  • Lowest 2 March, 2026

    18 °F

  • Average March

    37.9 °F

  • Highest 9 March, 2026

    59 °F

Climate (2021–Present)

Block Island State Airport (1.9 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    57.5 °F
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