National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Westerly, Westerly State Airport (KWST)

Lat: 41.35°NLon: 71.8°WElev: 79ft.

Fog/Mist

69°F

21°C

Humidity 100%
Wind Speed N 6 mph
Barometer 29.83 in (1010.0 mb)
Dewpoint 69°F (21°C)
Visibility 4.00 mi
Last update 17 Aug 8:53 pm EDT
Extended Forecast for

Charlestown RI

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 67. Light north wind.

    Low: 67 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 79. Light and variable wind becoming northwest around 6 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 65. Light and variable wind.

    Low: 65 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 80. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. Southwest wind 3 to 6 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 30%.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 77. Northeast wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 67. Light north wind.
Tuesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 79. Light and variable wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 65. Light and variable wind.
Wednesday
Patchy fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 80. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 67. Southwest wind 3 to 6 mph.
Thursday
A chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 77. Northeast wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 63. Calm wind.
Saturday
A chance of showers. Mostly cloudy, with a high near 76. East wind 6 to 9 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 65. Northeast wind 3 to 5 mph. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 77. East wind 7 to 10 mph becoming south in the afternoon. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 65. South wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 78. Southwest wind 6 to 11 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Charlestown RI
 41.38°N 71.66°W (Elev. 72 ft)
Last Update:
1:49 pm EDT Aug 17, 2026
Forecast Valid:
9pm EDT Aug 17, 2026-6pm EDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation