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

Hazardous Weather Conditions

Current conditions at

Westerly, Westerly State Airport (KWST)

Lat: 41.35°NLon: 71.8°WElev: 79ft.

Fog/Mist

28°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 30.06 in (1017.9 mb)
Dewpoint 27°F (-3°C)
Visibility 5.00 mi
Last update 18 Jan 4:53 am EST
Extended Forecast for

Charlestown RI

Winter Weather Advisory January 18, 07:00am until January 19, 07:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A slight chance of snow. Cloudy, with a low around 29. Calm wind. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Snow before 1pm, then rain between 1pm and 3pm, then snow after 3pm. Patchy fog after 8am. High near 38. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Snow and
    Patchy Fog
    then
    Rain/Snow and
    Patchy Fog

  • Sunday Night

    Sunday Night: Snow, mainly before 1am. Patchy fog before 8pm, then patchy fog after 11pm. Patchy freezing fog between 8pm and 11pm. Low around 24. Light and variable wind becoming north around 5 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Snow and
    Patchy
    Freezing Fog
    then Snow
    Likely and
    Patchy Fog

  • M.L.King Day

    M.L.King Day: A slight chance of snow showers before 9am. Patchy fog before 8am. Otherwise, cloudy through mid morning, then clearing, with a high near 33. West wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 33 °F

    Slight Chance
    Snow Showers
    and Patchy
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. West wind 8 to 14 mph, with gusts as high as 26 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 24. Breezy, with a west wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon.

    High: 24 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 11. West wind 10 to 18 mph.

    Low: 11 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow showers after 4am. Mostly cloudy, with a low around 28. Southwest wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Overnight
A slight chance of snow. Cloudy, with a low around 29. Calm wind. Chance of precipitation is 20%.
Sunday
Snow before 1pm, then rain between 1pm and 3pm, then snow after 3pm. Patchy fog after 8am. High near 38. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Sunday Night
Snow, mainly before 1am. Patchy fog before 8pm, then patchy fog after 11pm. Patchy freezing fog between 8pm and 11pm. Low around 24. Light and variable wind becoming north around 5 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
M.L.King Day
A slight chance of snow showers before 9am. Patchy fog before 8am. Otherwise, cloudy through mid morning, then clearing, with a high near 33. West wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 17. West wind 8 to 14 mph, with gusts as high as 26 mph.
Tuesday
Sunny, with a high near 24. Breezy, with a west wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 11. West wind 10 to 18 mph.
Wednesday
Mostly sunny, with a high near 37. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
A chance of snow showers after 4am. Mostly cloudy, with a low around 28. Southwest wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Thursday
A chance of snow showers before 10am. Partly sunny, with a high near 38. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 17. West wind around 7 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 32. West wind 6 to 9 mph.
Friday Night
Mostly cloudy, with a low around 23. Southwest wind around 6 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 35. West wind 6 to 9 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:
2:21 am EST Jan 18, 2026
Forecast Valid:
5am EST Jan 18, 2026-6pm EST Jan 24, 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