Block Island Sound Weather Forecast

    • 39
    • 52

    Partly Sunny

    • 37
    • 45

    Chance Rain Showers

    • 38
    • 42

    Mostly Cloudy

    • 42
    • 47

    Mostly Cloudy

    • 47
    • 49

    Chance Rain Showers

    • 48
    • 54

    Rain Showers

    • 39
    • 51

    Chance Rain Showers

Today 11 Mar Northeast Suffolk

Sunny. Highs in the mid 50s. South Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon.

Tonight 11 Mar Northeast Suffolk

Mostly clear this Evening, then becoming partly cloudy. Lows in the upper 30s. South Winds 5 to 10 Mph, becoming northwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Block Island Sound Temperature Statistics

March Temperature

Westerly, Westerly State Airport (7.5 miles)

  • Lowest 3 March, 2025

    14.8 °F

  • Average March

    35.3 °F

  • Highest 5 March, 2025

    50.6 °F

Climate (2020–Present)

Westerly, Westerly State Airport (7.5 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    60.4 °F
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