Current conditions at
Chatham, Chatham Municipal Airport (KCQX)
Lat: 41.69°NLon: 69.99°WElev: 66ft.
Overcast
70°F
21°C
| Humidity | 93% |
| Wind Speed | SW 8 G 22 mph |
| Barometer | 30.00 in (1015.9 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 18 Sep 3:52 am EDT |
Extended Forecast for
South Harwich MA
Overnight

Low: 67 °F
Chance
ShowersFriday
High: 71 °F
Patchy Fog
then SunnyFriday Night

Low: 58 °F
Partly Cloudy
Saturday

High: 63 °F
Decreasing
CloudsSaturday Night

Low: 56 °F
Partly Cloudy
Sunday
High: 66 °F
Partly Sunny
then Chance
ShowersSunday Night

Low: 60 °F
Showers
Likely and
Patchy FogMonday

High: 66 °F
Heavy Rain
Monday Night

Low: 57 °F
Chance
Showers
Detailed Forecast
Overnight
A chance of showers. Cloudy, with a low around 67. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Patchy fog between 8am and 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 71. West wind 8 to 10 mph becoming north in the afternoon.
Friday Night
Partly cloudy, with a low around 58. Light north wind increasing to 10 to 15 mph in the evening.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 63. Northeast wind 9 to 11 mph.
Saturday Night
Partly cloudy, with a low around 56. Light southeast wind.
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. 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. 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%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
South Harwich MA
41.67°N 70.05°W (Elev. 10 ft)
41.67°N 70.05°W (Elev. 10 ft)
3:02 am EDT Sep 18, 2026
4am EDT Sep 18, 2026-6pm EDT Sep 24, 2026


