Moonstone Beach Weather Forecast

    • 68
    • 78

    Partly Sunny

    • 64
    • 79

    Chance Rain Showers

    • 65
    • 76

    Chance Rain Showers

    • 66
    • 74

    Rain Showers Likely

    • 65
    • 74

    Chance Rain Showers

    • 61
    • 75

    Mostly Sunny

    • 62
    • 74

    Mostly Sunny

Today 19 Aug Washington

Sunny. Near steady temperature in the lower 80s. Southwest Winds 5 to 10 Mph.

Tonight 19 Aug Washington

Mostly clear this Evening, then becoming partly cloudy. Lows in the upper 60s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Moonstone Beach Temperature Statistics

August Temperature

Westerly, Westerly State Airport (11.8 miles)

  • Lowest 16 August, 2026

    57 °F

  • Average August

    73.6 °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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