Moonstone Beach Weather Forecast

    • 69
    • 79

    Increasing Clouds

    • 65
    • 81

    Mostly Sunny

    • 66
    • 77

    Partly Sunny

    • 62
    • 76

    Chance Rain Showers

    • 60
    • 73

    Mostly Sunny

    • 61
    • 73

    Mostly Sunny

Today 10 Aug Washington

Sunny. Highs in the mid 80s. Northwest Winds around 5 Mph, becoming southwest this afternoon.

Tonight 10 Aug Washington

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Humid with Lows around 70. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Moonstone Beach Temperature Statistics

August Temperature

Westerly, Westerly State Airport (11.8 miles)

  • Lowest 5 August, 2026

    57.9 °F

  • Average August

    74.5 °F

  • Highest 7 August, 2026

    87.1 °F

Climate (2021–2026)

Westerly, Westerly State Airport (11.8 miles)

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  • Average Low 2021–2026

    44.3 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    60.4 °F
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