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Hazardous Weather Conditions

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Fog/Mist

45°F

7°C

Humidity 97%
Wind Speed Calm
Barometer 29.99 in (1015.6 mb)
Dewpoint 44°F (7°C)
Visibility 1.25 mi
Last update 18 Apr 9:52 pm EDT
Extended Forecast for

South Wellfleet MA

  • Tonight

    Tonight: Patchy drizzle before 3am, then patchy drizzle after 5am. Patchy fog. Otherwise, cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Patchy
    Drizzle and
    Patchy Fog

  • Sunday

    Sunday: Showers before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers after 5pm. Patchy fog before noon, then patchy fog after 1pm. High near 57. South wind 8 to 13 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm. Patchy fog before 7pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 39. West wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers
    Likely and
    Patchy Fog
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50. West wind around 7 mph becoming north in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. Light northwest wind becoming north 5 to 10 mph in the evening.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 47. North wind 7 to 9 mph.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. Southwest wind 5 to 10 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers between 9am and 3pm. Mostly cloudy, with a high near 51. Southwest wind around 11 mph. Chance of precipitation is 30%.

    High: 51 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Southwest wind around 8 mph.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy drizzle before 3am, then patchy drizzle after 5am. Patchy fog. Otherwise, cloudy, with a low around 43. Light and variable wind.
Sunday
Showers before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers after 5pm. Patchy fog before noon, then patchy fog after 1pm. High near 57. South wind 8 to 13 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely, mainly before 8pm. Patchy fog before 7pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 39. West wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Mostly sunny, with a high near 50. West wind around 7 mph becoming north in the afternoon.
Monday Night
Mostly cloudy, with a low around 36. Light northwest wind becoming north 5 to 10 mph in the evening.
Tuesday
Sunny, with a high near 47. North wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 37. Southwest wind 5 to 10 mph.
Wednesday
A chance of showers between 9am and 3pm. Mostly cloudy, with a high near 51. Southwest wind around 11 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 41. Southwest wind around 8 mph.
Thursday
Mostly sunny, with a high near 53. Northwest wind 7 to 9 mph.
Thursday Night
Partly cloudy, with a low around 42. West wind 5 to 7 mph becoming northwest after midnight.
Friday
Mostly sunny, with a high near 52. North wind around 8 mph.
Friday Night
Partly cloudy, with a low around 43. Southeast wind around 6 mph becoming northwest after midnight.
Saturday
Mostly sunny, with a high near 52. East wind 7 to 9 mph.
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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:
6:31 pm EDT Apr 18, 2026
Forecast Valid:
10pm EDT Apr 18, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation