Station CHTM3 - 8447435 - Chatham, MA
December 23, 2025 12:48 am ESTLocation: 41.688N 69.95W
Atmospheric Pressure: 30.31 in (1026.5 mb)
Overnight - 24°F
Dec 23, 2025
10 mph W
Mostly Cloudy
Mostly cloudy. Low around 24, with temperatures rising to around 33 overnight. West wind around 10 mph.
Tuesday - 39°F
Dec 23, 2025
8 mph SW
Light Rain
A chance of rain and snow between 9am and noon, then rain and patchy fog. Cloudy, with a high near 39. Southwest wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night - 33°F
Dec 23, 2025
9 to 15 mph SW
Light Rain
Rain and patchy fog. Mostly cloudy, with a low around 33. Southwest wind 9 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Wednesday - 40°F
Dec 24, 2025
16 to 21 mph NW
Slight Chance Light Rain then Slight Chance Light Snow
A slight chance of rain before 9am, then a chance of rain and patchy fog between 9am and 5pm, then a slight chance of snow. Mostly cloudy, with a high near 40. Northwest wind 16 to 21 mph, with gusts as high as 41 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Wednesday Night - 28°F
Dec 24, 2025
6 to 14 mph NW
Slight Chance Light Snow then Mostly Cloudy
A slight chance of snow before 7pm. Mostly cloudy, with a low around 28. Northwest wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Christmas Day - 40°F
Dec 25, 2025
8 to 14 mph W
Slight Chance Light Snow then Slight Chance Light Rain
A slight chance of snow between 9am and noon, then a slight chance of rain. Mostly cloudy, with a high near 40. West wind 8 to 14 mph. Chance of precipitation is 20%.
Thursday Night - 22°F
Dec 25, 2025
14 mph NW
Slight Chance Light Snow then Mostly Cloudy
A slight chance of snow before 8pm. Mostly cloudy, with a low around 22. Northwest wind around 14 mph, with gusts as high as 24 mph.
Friday - 30°F
Dec 26, 2025
9 to 14 mph N
Mostly Cloudy then Slight Chance Light Snow
A slight chance of snow after 2pm. Mostly cloudy, with a high near 30. North wind 9 to 14 mph.
Friday Night - 23°F
Dec 26, 2025
9 mph NE
Light Snow Likely
Snow likely. Cloudy, with a low around 23. Northeast wind around 9 mph. Chance of precipitation is 60%.
Saturday - 36°F
Dec 27, 2025
12 mph NE
Chance Light Snow
A chance of snow. Cloudy, with a high near 36. Northeast wind around 12 mph. Chance of precipitation is 50%.
Saturday Night - 30°F
Dec 27, 2025
8 mph E
Chance Light Snow
A chance of snow before 1am, then a chance of rain. Mostly cloudy, with a low around 30. East wind around 8 mph. Chance of precipitation is 30%.
Sunday - 44°F
Dec 28, 2025
8 to 12 mph S
Light Rain Likely
Rain likely. Cloudy, with a high near 44. South wind 8 to 12 mph. Chance of precipitation is 70%.
Sunday Night - 26°F
Dec 28, 2025
12 to 15 mph SW
Light Rain Likely then Light Snow Likely
Rain likely before 5am, then snow likely. Mostly cloudy, with a low around 26. Southwest wind 12 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Monday - 35°F
Dec 29, 2025
17 mph W
Light Snow Likely
Snow likely before 9am, then a chance of rain between 9am and 3pm, then a chance of rain and snow. Partly sunny, with a high near 35. West wind around 17 mph, with gusts as high as 28 mph.