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

15°C

59°F

Humidity 78%
Wind Speed Vrbl 7 km/h
Barometer 1022.6 mb (30.20 in)
Dewpoint 11°C (52°F)
Visibility 16 km
Last update 21 May 11:53 am EDT
Extended Forecast for

Stonington CT

  • This Afternoon

    This Afternoon: A 30 percent chance of rain, mainly before 2pm. Mostly cloudy, with a high near 16. Southeast wind around 11 km/h.

    High: 16 °C

    Chance Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 9. Calm wind.

    Low: 9 °C

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 18. East wind 14 to 16 km/h.

    High: 18 °C

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 9. Southeast wind 5 to 10 km/h becoming calm after midnight.

    Low: 9 °C

    Increasing
    Clouds

  • Saturday

    Saturday: A 50 percent chance of showers, mainly after 2pm. Cloudy, with a high near 16. East wind 10 to 16 km/h.

    High: 16 °C

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly after 8pm. Low around 9. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 cm possible.

    Low: 9 °C

    Showers

  • Sunday

    Sunday: Showers. High near 17. Breezy. Chance of precipitation is 90%.

    High: 17 °C

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.

    Low: 12 °C

    Showers
    Likely

  • Memorial Day

    Memorial Day: A 50 percent chance of showers after 8am. Cloudy, with a high near 20.

    High: 20 °C

    Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of rain, mainly before 2pm. Mostly cloudy, with a high near 16. Southeast wind around 11 km/h.
Tonight
Mostly cloudy, with a low around 9. Calm wind.
Friday
Mostly sunny, with a high near 18. East wind 14 to 16 km/h.
Friday Night
Increasing clouds, with a low around 9. Southeast wind 5 to 10 km/h becoming calm after midnight.
Saturday
A 50 percent chance of showers, mainly after 2pm. Cloudy, with a high near 16. East wind 10 to 16 km/h.
Saturday Night
Showers, mainly after 8pm. Low around 9. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 cm possible.
Sunday
Showers. High near 17. Breezy. Chance of precipitation is 90%.
Sunday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.
Memorial Day
A 50 percent chance of showers after 8am. Cloudy, with a high near 20.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Partly sunny, with a high near 22.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
Mostly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Stonington CT
 41.34°N 71.9°W (Elev. 10 m)
Last Update:
11:51 am EDT May 21, 2026
Forecast Valid:
12pm EDT May 21, 2026-6pm EDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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