Station CHTM3 - 8447435 - Chatham, MA
December 16, 2025 7:00 am ESTLocation: 41.688N 69.95W
Atmospheric Pressure: 30.20 in (1022.7 mb)
Pressure Tendency: +0.07 in (+2.3 mb)
Air Temperature: 24.6°F (-4.1°C)
Today - 40°F
Dec 16, 2025
10 mph W
Sunny
Sunny, with a high near 40. West wind around 10 mph.
Tonight - 32°F
Dec 16, 2025
8 to 14 mph SW
Mostly Cloudy
Mostly cloudy. Low around 32, with temperatures rising to around 38 overnight. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Wednesday - 48°F
Dec 17, 2025
14 to 17 mph SW
Mostly Sunny
Mostly sunny, with a high near 48. Southwest wind 14 to 17 mph, with gusts as high as 29 mph.
Wednesday Night - 34°F
Dec 17, 2025
6 to 14 mph W
Mostly Clear
Mostly clear, with a low around 34. West wind 6 to 14 mph.
Thursday - 51°F
Dec 18, 2025
5 to 12 mph SW
Mostly Sunny
Mostly sunny, with a high near 51. Southwest wind 5 to 12 mph.
Thursday Night - 42°F
Dec 18, 2025
13 to 25 mph S
Chance Light Rain
A chance of rain after 11pm. Mostly cloudy, with a low around 42. South wind 13 to 25 mph, with gusts as high as 51 mph. Chance of precipitation is 50%.
Friday - 54°F
Dec 19, 2025
18 to 24 mph SW
Light Rain
Rain. Mostly cloudy, with a high near 54. Southwest wind 18 to 24 mph, with gusts as high as 49 mph. Chance of precipitation is 90%.
Friday Night - 27°F
Dec 19, 2025
14 to 20 mph W
Chance Light Rain then Partly Cloudy
A chance of rain before 10pm. Partly cloudy, with a low around 27. West wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Saturday - 41°F
Dec 20, 2025
10 to 14 mph W
Mostly Sunny
Mostly sunny, with a high near 41. West wind 10 to 14 mph.
Saturday Night - 32°F
Dec 20, 2025
13 mph SW
Mostly Cloudy then Slight Chance Light Rain
A slight chance of rain after midnight. Mostly cloudy, with a low around 32. Southwest wind around 13 mph, with gusts as high as 23 mph.
Sunday - 46°F
Dec 21, 2025
14 mph SW
Slight Chance Light Rain
A slight chance of rain. Partly sunny, with a high near 46. Southwest wind around 14 mph.
Sunday Night - 28°F
Dec 21, 2025
12 mph W
Slight Chance Light Rain then Partly Cloudy
A slight chance of rain before 10pm. Partly cloudy, with a low around 28. West wind around 12 mph.
Monday - 37°F
Dec 22, 2025
12 mph NW
Slight Chance Light Snow
A slight chance of snow between 7am and 9am, then a slight chance of rain between 9am and 2pm, then a slight chance of snow. Mostly sunny, with a high near 37. Northwest wind around 12 mph.
Monday Night - 27°F
Dec 22, 2025
10 mph NW
Slight Chance Light Snow
A slight chance of rain before 10pm, then a slight chance of snow. Partly cloudy, with a low around 27. Northwest wind around 10 mph.