Hourly Weather Forecast - Chatham, MA

5 AM
30°F
0%
12mph
W
Mostly Clear
Humidity
58%
Feels like
20°F
Dew Point
17°F
6 AM
30°F
0%
11mph
W
Mostly Clear
Humidity
58%
Feels like
21°F
Dew Point
17°F
7 AM
31°F
0%
10mph
WNW
Mostly Clear
Humidity
57%
Feels like
22°F
Dew Point
18°F
7:02 AM
8 AM
32°F
0%
9mph
WNW
Sunny
Humidity
57%
Feels like
24°F
Dew Point
19°F
9 AM
33°F
0%
8mph
WNW
Sunny
Humidity
53%
Feels like
26°F
Dew Point
19°F
10 AM
35°F
0%
7mph
WNW
Sunny
Humidity
49%
Feels like
29°F
Dew Point
18°F
11 AM
35°F
0%
6mph
WNW
Sunny
Humidity
48%
Feels like
30°F
Dew Point
18°F
12 PM
36°F
0%
6mph
WNW
Sunny
Humidity
47%
Feels like
31°F
Dew Point
18°F
1 PM
36°F
0%
5mph
W
Mostly Sunny
Humidity
47%
Feels like
31°F
Dew Point
17°F
2 PM
35°F
0%
4mph
W
Sunny
Humidity
48%
Feels like
32°F
Dew Point
18°F
3 PM
34°F
0%
3mph
WSW
Mostly Sunny
Humidity
53%
Feels like
31°F
Dew Point
19°F
4 PM
33°F
0%
3mph
SW
Mostly Sunny
Humidity
55%
Feels like
31°F
Dew Point
19°F
4:12 PM
5 PM
33°F
0%
4mph
SW
Partly Cloudy
Humidity
62%
Feels like
29°F
Dew Point
21°F
6 PM
33°F
0%
4mph
SW
Mostly Cloudy
Humidity
65%
Feels like
29°F
Dew Point
22°F
7 PM
33°F
0%
5mph
SSW
Partly Cloudy
Humidity
69%
Feels like
29°F
Dew Point
24°F
8 PM
34°F
0%
6mph
SSW
Mostly Cloudy
Humidity
72%
Feels like
29°F
Dew Point
26°F
9 PM
35°F
0%
7mph
SSW
Partly Cloudy
Humidity
74%
Feels like
29°F
Dew Point
28°F
10 PM
36°F
0%
8mph
SSW
Partly Cloudy
Humidity
76%
Feels like
30°F
Dew Point
29°F
11 PM
37°F
0%
9mph
SSW
Partly Cloudy
Humidity
77%
Feels like
30°F
Dew Point
31°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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