Station CHTM3 - 8447435 - Chatham, MA
December 21, 2025 6:48 am ESTLocation: 41.688N 69.95W
Atmospheric Pressure: 29.90 in (1012.4 mb)
Today - 47°F
Dec 21, 2025
16 mph W
Sunny
Sunny. High near 47, with temperatures falling to around 37 in the afternoon. West wind around 16 mph, with gusts as high as 33 mph.
Tonight - 25°F
Dec 21, 2025
16 mph NW
Mostly Cloudy
Mostly cloudy, with a low around 25. Northwest wind around 16 mph, with gusts as high as 33 mph.
Monday - 35°F
Dec 22, 2025
13 to 16 mph NW
Sunny
Sunny, with a high near 35. Northwest wind 13 to 16 mph, with gusts as high as 35 mph.
Monday Night - 28°F
Dec 22, 2025
7 to 12 mph NW
Mostly Cloudy then Slight Chance Light Snow
A slight chance of snow after 5am. Mostly cloudy, with a low around 28. Northwest wind 7 to 12 mph.
Tuesday - 41°F
Dec 23, 2025
6 to 10 mph SW
Chance Light Snow then Rain And Snow
A chance of snow before 8am, then rain and snow. Cloudy, with a high near 41. Southwest wind 6 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than half an inch possible.
Tuesday Night - 32°F
Dec 23, 2025
10 to 15 mph SW
Light Rain Likely then Chance Light Snow
Rain likely before 3am, then a chance of snow. Mostly cloudy, with a low around 32. Southwest wind 10 to 15 mph. Chance of precipitation is 70%.
Wednesday - 39°F
Dec 24, 2025
14 to 17 mph NW
Chance Light Snow then Mostly Cloudy
A chance of snow before 9am, then a slight chance of rain between 9am and 11am. Mostly cloudy, with a high near 39. Northwest wind 14 to 17 mph. Chance of precipitation is 30%.
Wednesday Night - 30°F
Dec 24, 2025
7 to 13 mph NW
Mostly Cloudy
Mostly cloudy, with a low around 30. Northwest wind 7 to 13 mph.
Christmas Day - 42°F
Dec 25, 2025
8 to 12 mph W
Slight Chance Light Rain
A slight chance of rain after 11am. Mostly cloudy, with a high near 42. West wind 8 to 12 mph.
Thursday Night - 33°F
Dec 25, 2025
9 mph SW
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 33. Southwest wind around 9 mph. Chance of precipitation is 40%.
Friday - 43°F
Dec 26, 2025
9 to 13 mph SW
Light Rain Likely
Rain likely. Cloudy, with a high near 43. Southwest wind 9 to 13 mph. Chance of precipitation is 60%.
Friday Night - 29°F
Dec 26, 2025
13 mph NW
Slight Chance Light Rain then Mostly Cloudy
A slight chance of rain before 10pm. Mostly cloudy, with a low around 29. Northwest wind around 13 mph.
Saturday - 38°F
Dec 27, 2025
12 mph N
Mostly Cloudy then Slight Chance Light Rain
A slight chance of rain after 4pm. Mostly cloudy, with a high near 38. North wind around 12 mph.
Saturday Night - 26°F
Dec 27, 2025
10 mph NW
Chance Light Snow
A slight chance of rain before 9pm, then a chance of snow. Mostly cloudy, with a low around 26. Northwest wind around 10 mph.