Charlestown Breachway Mouth Weather Forecast

    • 48
    • 63

    Chance Rain Showers

    • 46
    • 52

    Rain Likely

    • 53
    • 60

    Partly Sunny

    • 50
    • 60

    Chance Rain Showers

    • 51
    • 62

    Chance Rain Showers

    • 52
    • 63

    Chance Rain Showers

Today 29 May Washington

Mostly sunny. Highs in the lower 70s. Northwest Winds 5 to 10 Mph, becoming west 10 to 15 Mph. Gusts up to 25 Mph.

Tonight 29 May Washington

Mostly cloudy with a 40 percent chance of Showers. Lows in the upper 40s. Southwest Winds 5 to 10 Mph, becoming west after midnight. Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Charlestown Breachway Mouth Temperature Statistics

May Temperature

Westerly, Westerly State Airport (8.1 miles)

  • Lowest 4 May, 2026

    36 °F

  • Average May

    56.6 °F

  • Highest 20 May, 2026

    80.1 °F

Climate (2021–Present)

Westerly, Westerly State Airport (8.1 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    60.3 °F
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