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Hazardous Weather Conditions

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Overcast

39°F

4°C

Humidity 79%
Wind Speed W 10 G 18 mph
Barometer 30.05 in (1017.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 17 Jan 7:52 pm EST
Extended Forecast for

South Wellfleet MA

Winter Weather Advisory January 18, 10:00am until January 19, 04:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely before 3pm, then snow likely, possibly mixed with rain between 3pm and 4pm, then snow after 4pm. High near 39. Southwest wind around 6 mph becoming northeast in the afternoon. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 39 °F

    Chance Rain
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 3am. Steady temperature around 34. Northeast wind 5 to 9 mph becoming northwest after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 34 °F

    Snow

  • M.L.King Day

    M.L.King Day: A slight chance of snow between 8am and 10am. Mostly sunny, with a high near 35. Southwest wind 10 to 16 mph. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. West wind around 16 mph, with gusts as high as 26 mph.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27. West wind around 14 mph.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 18. West wind 10 to 14 mph.

    Low: 18 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. Southwest wind 9 to 11 mph.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. Southwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Rain likely before 3pm, then snow likely, possibly mixed with rain between 3pm and 4pm, then snow after 4pm. High near 39. Southwest wind around 6 mph becoming northeast in the afternoon. Chance of precipitation is 100%. Little or no snow accumulation expected.
Sunday Night
Snow, mainly before 3am. Steady temperature around 34. Northeast wind 5 to 9 mph becoming northwest after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
M.L.King Day
A slight chance of snow between 8am and 10am. Mostly sunny, with a high near 35. Southwest wind 10 to 16 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 22. West wind around 16 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 27. West wind around 14 mph.
Tuesday Night
Mostly clear, with a low around 18. West wind 10 to 14 mph.
Wednesday
Mostly sunny, with a high near 39. Southwest wind 9 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 31. Southwest wind around 14 mph, with gusts as high as 24 mph.
Thursday
A chance of rain after 10am. Mostly cloudy, with a high near 40. Southwest wind 11 to 14 mph. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 22. Northwest wind 11 to 14 mph.
Friday
Mostly sunny, with a high near 33. West wind 10 to 13 mph.
Friday Night
Mostly cloudy, with a low around 24. West wind around 11 mph.
Saturday
A chance of snow. Partly sunny, with a high near 34. West wind around 11 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Wellfleet MA
 41.88°N 69.99°W (Elev. 10 ft)
Last Update:
1:13 pm EST Jan 17, 2026
Forecast Valid:
8pm EST Jan 17, 2026-6pm EST Jan 24, 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