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.

A Few Clouds

56°F

13°C

Humidity 46%
Wind Speed N 7 mph
Barometer 29.83 in (1010.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 21 Mar 2:53 pm EDT
Extended Forecast for

Charlestown RI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 53. North wind around 9 mph, with gusts as high as 20 mph.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Cloudy, with a low around 37. Calm wind becoming southeast around 5 mph after midnight.

    Low: 37 °F

    Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 1pm. Cloudy, with a high near 50. South wind 11 to 14 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain, mainly before 4am. Low around 37. Light and variable wind becoming north around 6 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain

  • Monday

    Monday: A chance of rain before 8am, then a chance of showers between 8am and 2pm. Mostly cloudy, with a high near 42. North wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 42 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain and snow showers before 7pm, then a slight chance of snow showers between 7pm and 11pm. Partly cloudy, with a low around 31. Northwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 42. Northwest wind around 6 mph becoming southwest in the afternoon.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 31. Southwest wind around 7 mph.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 48. Southwest wind 7 to 13 mph.

    High: 48 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 53. North wind around 9 mph, with gusts as high as 20 mph.
Tonight
Cloudy, with a low around 37. Calm wind becoming southeast around 5 mph after midnight.
Sunday
Rain likely, mainly after 1pm. Cloudy, with a high near 50. South wind 11 to 14 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain, mainly before 4am. Low around 37. Light and variable wind becoming north around 6 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of rain before 8am, then a chance of showers between 8am and 2pm. Mostly cloudy, with a high near 42. North wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Monday Night
A slight chance of rain and snow showers before 7pm, then a slight chance of snow showers between 7pm and 11pm. Partly cloudy, with a low around 31. Northwest wind around 6 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 42. Northwest wind around 6 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 31. Southwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 48. Southwest wind 7 to 13 mph.
Wednesday Night
Mostly cloudy, with a low around 32. Southwest wind around 7 mph.
Thursday
A chance of rain. Partly sunny, with a high near 48. South wind 7 to 10 mph. Chance of precipitation is 30%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 38. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Friday
A chance of rain. Mostly sunny, with a high near 49. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
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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:
2:20 pm EDT Mar 21, 2026
Forecast Valid:
2pm EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation