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

17°C

63°F

Humidity 97%
Wind Speed E 9 km/h
Barometer 1020.9 mb (30.14 in)
Dewpoint 17°C (62°F)
Visibility 1.21 km
Last update 12 Jul 8:52 pm EDT
Extended Forecast for

Chatham MA

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 18. Southeast wind around 10 km/h.

    Low: 18 °C

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 23. East wind 10 to 14 km/h.

    High: 23 °C

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms after 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 19. Southeast wind 8 to 10 km/h. Chance of precipitation is 30%.

    Low: 19 °C

    Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: Mostly sunny, with a high near 26. East wind 8 to 13 km/h becoming south in the afternoon.

    High: 26 °C

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21. Southwest wind around 10 km/h.

    Low: 21 °C

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28. Southwest wind 10 to 14 km/h.

    High: 28 °C

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22. Southwest wind 11 to 13 km/h.

    Low: 22 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 28. Southwest wind 10 to 16 km/h.

    High: 28 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. Southwest wind around 14 km/h.

    Low: 22 °C

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 18. Southeast wind around 10 km/h.
Sunday
Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 23. East wind 10 to 14 km/h.
Sunday Night
A chance of showers and thunderstorms after 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 19. Southeast wind 8 to 10 km/h. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 26. East wind 8 to 13 km/h becoming south in the afternoon.
Monday Night
Mostly cloudy, with a low around 21. Southwest wind around 10 km/h.
Tuesday
Mostly sunny, with a high near 28. Southwest wind 10 to 14 km/h.
Tuesday Night
Mostly clear, with a low around 22. Southwest wind 11 to 13 km/h.
Wednesday
Sunny, with a high near 28. Southwest wind 10 to 16 km/h.
Wednesday Night
Partly cloudy, with a low around 22. Southwest wind around 14 km/h.
Thursday
Mostly sunny, with a high near 27. Southwest wind 16 to 23 km/h.
Thursday Night
Mostly cloudy, with a low around 21. Southwest wind 16 to 18 km/h.
Friday
Partly sunny, with a high near 27. Southwest wind 16 to 18 km/h.
Friday Night
A chance of showers. Mostly cloudy, with a low around 21. Southwest wind around 14 km/h. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 26. West wind 14 to 16 km/h. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chatham MA
 41.68°N 69.96°W (Elev. 13 m)
Last Update:
6:14 pm EDT Jul 12, 2025
Forecast Valid:
9pm EDT Jul 12, 2025-6pm EDT Jul 19, 2025
 
Forecast Discussion
 
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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