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.

Overcast

38°F

3°C

Humidity 79%
Wind Speed SE 12 mph
Barometer 29.86 in (1011.2 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 13 Mar 11:53 pm EDT
Extended Forecast for

Charlestown RI

  • Overnight

    Overnight: Showers likely, mainly before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Southwest wind 11 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 47. West wind 13 to 18 mph, with gusts as high as 37 mph.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 27. Northwest wind 5 to 9 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 43. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 43 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 3am. Mostly cloudy, with a low around 34. Southeast wind 6 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 8am. High near 55. South wind 13 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%.

    High: 55 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 37. South wind 15 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 100%.

    Low: 37 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before 8am. Partly sunny, with a high near 45. West wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 45 °F

    Rain Likely
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. West wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers likely, mainly before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Southwest wind 11 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 47. West wind 13 to 18 mph, with gusts as high as 37 mph.
Saturday Night
Increasing clouds, with a low around 27. Northwest wind 5 to 9 mph, with gusts as high as 22 mph.
Sunday
Mostly cloudy, with a high near 43. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Sunday Night
A chance of rain, mainly after 3am. Mostly cloudy, with a low around 34. Southeast wind 6 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 8am. High near 55. South wind 13 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 37. South wind 15 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 100%.
Tuesday
Rain likely, mainly before 8am. Partly sunny, with a high near 45. West wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 21. West wind 8 to 10 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 37. West wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 27. South wind 3 to 5 mph.
Thursday
Partly sunny, with a high near 42. South wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 30. South wind around 5 mph.
Friday
Partly sunny, with a high near 44. West wind 5 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charlestown RI
 41.39°N 71.63°W (Elev. 98 ft)
Last Update:
2:45 pm EDT Mar 13, 2026
Forecast Valid:
12am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation