Charlestown Beach Weather Forecast

    • 56
    • 76

    Sunny

    • 64
    • 73

    Slight Chance Rain Showers

    • 63
    • 73

    Rain Showers

    • 54
    • 74

    Mostly Sunny

    • 55
    • 70

    Mostly Sunny

    • 60
    • 73

    Slight Chance Rain Showers

    • 60
    • 75

    Chance Rain Showers

Today 11 Sep Washington

Sunny. Near steady temperature in the mid 70s. West Winds 5 to 10 Mph.

Tonight 11 Sep Washington

Clear. Lows in the mid 50s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Charlestown Beach Temperature Statistics

September Temperature

Westerly, Westerly State Airport (8.7 miles)

  • Lowest 7 September, 2026

    54 °F

  • Average September

    67.8 °F

  • Highest 4 September, 2026

    82 °F

Climate (2021–2026)

Westerly, Westerly State Airport (8.7 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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