Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Mostly Cloudy

67°F

19°C

Humidity 93%
Wind Speed Calm
Barometer 30.01 in (1016.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 18 Sep 6:52 am EDT
Extended Forecast for

South Harwich MA

  • Today

    Today: Patchy fog between 8am and 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 69. West wind 6 to 10 mph becoming north in the afternoon.

    High: 69 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Northeast wind 9 to 13 mph.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. Northeast wind 3 to 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, mainly after 2pm.  Mostly cloudy, with a high near 66. Southeast wind 7 to 9 mph.  Chance of precipitation is 40%.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, with thunderstorms also possible after 2am.  Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 60. East wind around 6 mph.  Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely and
    Patchy Fog

  • Monday

    Monday: A chance of showers. The rain could be heavy at times.  Partly sunny, with a high near 66. Northeast wind 10 to 15 mph.  Chance of precipitation is 40%.

    High: 66 °F

    Heavy Rain

  • Monday Night

    Monday Night: A chance of showers.  Mostly cloudy, with a low around 57. Northeast wind 13 to 17 mph.  Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers.  Mostly cloudy, with a high near 65. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Patchy fog between 8am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 69. West wind 6 to 10 mph becoming north in the afternoon.
Tonight
Partly cloudy, with a low around 59. North wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 61. Northeast wind 9 to 13 mph.
Saturday Night
Partly cloudy, with a low around 56. Northeast wind 3 to 5 mph.
Sunday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 66. Southeast wind 7 to 9 mph. Chance of precipitation is 40%.
Sunday Night
Showers likely, with thunderstorms also possible after 2am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 60. East wind around 6 mph. Chance of precipitation is 70%.
Monday
A chance of showers. The rain could be heavy at times. Partly sunny, with a high near 66. Northeast wind 10 to 15 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 57. Northeast wind 13 to 17 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 65. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers before 11pm. Mostly cloudy, with a low around 56. Breezy, with a northeast wind around 22 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 64. Breezy, with a northeast wind around 24 mph, with gusts as high as 36 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 57. Breezy, with a northeast wind 23 to 25 mph. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 65. Breezy, with a northeast wind around 24 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
South Harwich MA
 41.67°N 70.05°W (Elev. 10 ft)
7:02 am EDT Sep 18, 2026
7am EDT Sep 18, 2026-6pm EDT Sep 24, 2026
 
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