Charlestown Weather Forecast

    • 69
    • 76

    Chance Thunderstorms

    • 69
    • 78

    Chance Thunderstorms

    • 70
    • 81

    Slight Chance Thunderstorms

    • 71
    • 81

    Chance Thunderstorms

    • 69
    • 84

    Chance Rain Showers

    • 66
    • 79

    Partly Sunny

Today 14 Jul Washington

Mostly cloudy. A slight chance of Showers and Thunderstorms. Near steady temperature in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 14 Jul Washington

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Patchy fog. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

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Charlestown Temperature Statistics

July Temperature

Westerly, Westerly State Airport (8.1 miles)

  • Lowest 5 July, 2025

    56.6 °F
  • Average July

    73.3 °F
  • Highest 8 July, 2025

    88.6 °F

Climate (2020–Present)

Westerly, Westerly State Airport (8.1 miles)

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  • Average Low 2020–2025

    44.5 °F
  • Average 2020–2025

    52.6 °F
  • Average High 2020–2025

    60.5 °F
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