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Hazardous Weather Conditions

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Fair

20°C

68°F

Humidity 65%
Wind Speed Vrbl 7 km/h
Barometer 1021.2 mb (30.15 in)
Dewpoint 13°C (56°F)
Visibility 16 km
Last update 12 Sep 3:52 pm EDT
Extended Forecast for

West Chatham MA

Flood Watch September 13, 05:00am until September 13, 06:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. South wind around 11 km/h.

    Low: 18 °C

    Mostly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms before 3pm, then showers and possibly a thunderstorm, mainly after 3pm. Some of the storms could produce heavy rainfall. High near 22. Southeast wind 13 to 16 km/h, with gusts as high as 32 km/h. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 cm possible.

    High: 22 °C

    Chance
    Showers then
    Heavy Rain

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy fog. Otherwise, mostly cloudy, with a low around 18. Northeast wind 5 to 10 km/h becoming west after midnight. Chance of precipitation is 30%. New precipitation amounts between 5 and 7.5 mm possible.

    Low: 18 °C

    Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Monday

    Monday: A chance of showers before 2pm. Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 21. North wind 13 to 18 km/h, with gusts as high as 37 km/h. Chance of precipitation is 30%. New precipitation amounts between 1 and 2.5 mm possible.

    High: 21 °C

    Chance
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Mostly clear, with a low around 14. North wind around 14 km/h, with gusts as high as 34 km/h.

    Low: 14 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 18. Northeast wind 11 to 14 km/h.

    High: 18 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 14. East wind 5 to 8 km/h becoming calm after midnight.

    Low: 14 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 21. South wind 5 to 14 km/h.

    High: 21 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16. Southwest wind 5 to 8 km/h.

    Low: 16 °C

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 18. South wind around 11 km/h.
Sunday
Showers and thunderstorms before 3pm, then showers and possibly a thunderstorm, mainly after 3pm. Some of the storms could produce heavy rainfall. High near 22. Southeast wind 13 to 16 km/h, with gusts as high as 32 km/h. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 cm possible.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy fog. Otherwise, mostly cloudy, with a low around 18. Northeast wind 5 to 10 km/h becoming west after midnight. Chance of precipitation is 30%. New precipitation amounts between 5 and 7.5 mm possible.
Monday
A chance of showers before 2pm. Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 21. North wind 13 to 18 km/h, with gusts as high as 37 km/h. Chance of precipitation is 30%. New precipitation amounts between 1 and 2.5 mm possible.
Monday Night
Mostly clear, with a low around 14. North wind around 14 km/h, with gusts as high as 34 km/h.
Tuesday
Sunny, with a high near 18. Northeast wind 11 to 14 km/h.
Tuesday Night
Mostly clear, with a low around 14. East wind 5 to 8 km/h becoming calm after midnight.
Wednesday
Sunny, with a high near 21. South wind 5 to 14 km/h.
Wednesday Night
Mostly clear, with a low around 16. Southwest wind 5 to 8 km/h.
Thursday
Sunny, with a high near 22. South wind 8 to 16 km/h.
Thursday Night
Partly cloudy, with a low around 17. South wind 11 to 14 km/h.
Friday
Partly sunny, with a high near 22. Southwest wind 18 to 21 km/h becoming north in the afternoon.
Friday Night
A chance of showers. Partly cloudy, with a low around 15. Northeast wind around 14 km/h. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 21. Northeast wind 16 to 18 km/h.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Chatham MA
 41.68°N 69.99°W (Elev. 33 m)
Last Update:
2:35 pm EDT Sep 12, 2026
Forecast Valid:
4pm EDT Sep 12, 2026-6pm EDT Sep 19, 2026
 
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