Station CHTM3 - 8447435 - Chatham, MA
December 24, 2025 12:30 am ESTLocation: 41.688N 69.95W
Atmospheric Pressure: 29.82 in (1009.8 mb)
Air Temperature: 40.5°F (4.7°C)
Overnight - 34°F
Dec 24, 2025
9 to 15 mph SW
Light Rain Likely
Rain likely and patchy fog before 5am. Mostly cloudy, with a low around 34. Southwest wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Wednesday - 41°F
Dec 24, 2025
16 to 29 mph NW
Chance Light Rain
A chance of rain between 8am and 1pm, then a chance of rain and patchy fog. Mostly cloudy, with a high near 41. Northwest wind 16 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Wednesday Night - 30°F
Dec 24, 2025
5 to 20 mph NW
Slight Chance Light Rain then Cloudy
A slight chance of rain before 7pm. Cloudy, with a low around 30. Northwest wind 5 to 20 mph. Chance of precipitation is 20%.
Christmas Day - 41°F
Dec 25, 2025
10 to 20 mph W
Slight Chance Rain Showers then Mostly Cloudy
A slight chance of rain showers between 11am and noon. Mostly cloudy, with a high near 41. West wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday Night - 21°F
Dec 25, 2025
17 to 23 mph NW
Slight Chance Light Snow
A slight chance of snow after 8pm. Mostly cloudy, with a low around 21. Northwest wind 17 to 23 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Friday - 30°F
Dec 26, 2025
10 to 17 mph N
Slight Chance Light Snow then Mostly Cloudy
A slight chance of snow before 7am. Mostly cloudy, with a high near 30. North wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday Night - 23°F
Dec 26, 2025
6 to 9 mph NE
Chance Light Snow
A chance of snow after 7pm. Cloudy, with a low around 23. Northeast wind 6 to 9 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Saturday - 34°F
Dec 27, 2025
10 mph NE
Chance Light Snow
A chance of snow. Cloudy, with a high near 34. Northeast wind around 10 mph. Chance of precipitation is 50%. New snow accumulation of around one inch possible.
Saturday Night - 27°F
Dec 27, 2025
8 mph N
Slight Chance Light Snow then Mostly Cloudy
A slight chance of snow before 10pm. Mostly cloudy, with a low around 27. North wind around 8 mph.
Sunday - 41°F
Dec 28, 2025
6 to 10 mph W
Chance Light Rain
A chance of rain after 11am. Mostly cloudy, with a high near 41. West wind 6 to 10 mph. Chance of precipitation is 40%.
Sunday Night - 30°F
Dec 28, 2025
9 to 14 mph SW
Light Rain
Rain. Cloudy, with a low around 30. Southwest wind 9 to 14 mph. Chance of precipitation is 80%.
Monday - 43°F
Dec 29, 2025
14 to 18 mph W
Light Rain then Chance Rain And Snow
Rain before 5pm, then a chance of rain and snow. Mostly cloudy, with a high near 43. West wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Monday Night - 23°F
Dec 29, 2025
18 mph W
Chance Rain And Snow
A chance of rain and snow before 4am. Partly cloudy, with a low around 23. West wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Tuesday - 33°F
Dec 30, 2025
16 mph W
Mostly Sunny
Mostly sunny, with a high near 33. West wind around 16 mph, with gusts as high as 28 mph.