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

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Fog/Mist

67°F

19°C

Humidity 97%
Wind Speed Calm
Barometer 29.97 in (1015.1 mb)
Dewpoint 66°F (19°C)
Visibility 2.50 mi
Last update 22 Aug 6:52 pm EDT
Extended Forecast for

South Orleans MA

  • Tonight

    Tonight: Patchy drizzle before 1am, then a chance of showers between 1am and 5am, then showers likely and possibly a thunderstorm after 5am. Patchy fog. Otherwise, cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 78. Southeast wind 5 to 8 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before 2am. Patchy fog before 1am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 67. South wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: Sunny, with a high near 76. Southwest wind 6 to 10 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. Southwest wind around 7 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Southwest wind 6 to 8 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Southwest wind around 7 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. Southwest wind around 6 mph.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy drizzle before 1am, then a chance of showers between 1am and 5am, then showers likely and possibly a thunderstorm after 5am. Patchy fog. Otherwise, cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 78. Southeast wind 5 to 8 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, mainly before 2am. Patchy fog before 1am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 67. South wind 5 to 7 mph. Chance of precipitation is 40%.
Monday
Sunny, with a high near 76. Southwest wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 67. Southwest wind around 7 mph.
Tuesday
Sunny, with a high near 74. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 64. Southwest wind 6 to 8 mph.
Wednesday
Sunny, with a high near 81. Southwest wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 67. Southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 82. Light southwest wind becoming south 5 to 9 mph in the morning.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 67. South wind around 6 mph. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 82. South wind 5 to 9 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 67. West wind around 5 mph.
Saturday
Mostly sunny, with a high near 81. West wind around 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Orleans MA
 41.77°N 69.99°W (Elev. 72 ft)
Last Update:
3:11 pm EDT Aug 22, 2026
Forecast Valid:
7pm EDT Aug 22, 2026-6pm EDT Aug 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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