Station CHTM3 - 8447435 - Chatham, MA
December 20, 2025 7:30 am ESTLocation: 41.688N 69.95W
Atmospheric Pressure: 30.03 in (1016.8 mb)
Air Temperature: 31.6°F (-0.2°C)
Today - 43°F
Dec 20, 2025
7 to 15 mph W
Sunny
Sunny, with a high near 43. West wind 7 to 15 mph, with gusts as high as 32 mph.
Tonight - 34°F
Dec 20, 2025
7 to 22 mph SW
Mostly Cloudy
Mostly cloudy. Low around 34, with temperatures rising to around 41 overnight. Southwest wind 7 to 22 mph, with gusts as high as 32 mph.
Sunday - 45°F
Dec 21, 2025
15 to 21 mph W
Partly Sunny
Partly sunny. High near 45, with temperatures falling to around 39 in the afternoon. West wind 15 to 21 mph, with gusts as high as 31 mph.
Sunday Night - 25°F
Dec 21, 2025
18 mph NW
Partly Cloudy
Partly cloudy, with a low around 25. Northwest wind around 18 mph, with gusts as high as 30 mph.
Monday - 33°F
Dec 22, 2025
12 to 17 mph NW
Mostly Sunny
Mostly sunny, with a high near 33. Northwest wind 12 to 17 mph, with gusts as high as 28 mph.
Monday Night - 28°F
Dec 22, 2025
8 to 12 mph W
Mostly Cloudy
Mostly cloudy, with a low around 28. West wind 8 to 12 mph.
Tuesday - 41°F
Dec 23, 2025
8 to 14 mph SW
Rain And Snow
Rain and snow after 7am. Cloudy, with a high near 41. Southwest wind 8 to 14 mph. Chance of precipitation is 80%.
Tuesday Night - 32°F
Dec 23, 2025
15 mph W
Chance Light Rain then Mostly Cloudy
A chance of rain before midnight. Mostly cloudy, with a low around 32. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday - 40°F
Dec 24, 2025
12 to 15 mph NW
Mostly Sunny
Mostly sunny, with a high near 40. Northwest wind 12 to 15 mph, with gusts as high as 25 mph.
Wednesday Night - 30°F
Dec 24, 2025
6 to 10 mph NW
Mostly Cloudy
Mostly cloudy, with a low around 30. Northwest wind 6 to 10 mph.
Christmas Day - 46°F
Dec 25, 2025
7 to 13 mph SW
Chance Light Rain
A chance of rain after 8am. Mostly cloudy, with a high near 46. Southwest wind 7 to 13 mph. Chance of precipitation is 40%.
Thursday Night - 37°F
Dec 25, 2025
12 mph SW
Chance Light Rain
A chance of rain. Cloudy, with a low around 37. Southwest wind around 12 mph. Chance of precipitation is 40%.
Friday - 47°F
Dec 26, 2025
13 mph W
Chance Light Rain
A chance of rain. Partly sunny, with a high near 47. West wind around 13 mph. Chance of precipitation is 30%.
Friday Night - 33°F
Dec 26, 2025
12 mph NW
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 33. Northwest wind around 12 mph.