Hourly Weather Forecast - Chatham, MA

12 AM
29°F
0%
11mph
WNW
Mostly Cloudy
Humidity
59%
Feels like
20°F
Dew Point
17°F
1 AM
28°F
0%
11mph
WNW
Mostly Cloudy
Humidity
59%
Feels like
19°F
Dew Point
16°F
2 AM
27°F
0%
12mph
NW
Partly Cloudy
Humidity
60%
Feels like
17°F
Dew Point
15°F
3 AM
26°F
0%
12mph
NW
Partly Cloudy
Humidity
61%
Feels like
15°F
Dew Point
15°F
4 AM
25°F
0%
13mph
NW
Mostly Clear
Humidity
61%
Feels like
14°F
Dew Point
14°F
5 AM
25°F
0%
12mph
NW
Clear
Humidity
61%
Feels like
14°F
Dew Point
13°F
6 AM
25°F
0%
12mph
NW
Clear
Humidity
62%
Feels like
14°F
Dew Point
14°F
7 AM
26°F
0%
12mph
NW
Clear
Humidity
60%
Feels like
15°F
Dew Point
14°F
7:03 AM
8 AM
27°F
0%
11mph
NW
Sunny
Humidity
59%
Feels like
17°F
Dew Point
15°F
9 AM
28°F
0%
11mph
NW
Sunny
Humidity
56%
Feels like
19°F
Dew Point
15°F
10 AM
29°F
0%
10mph
NW
Sunny
Humidity
52%
Feels like
20°F
Dew Point
14°F
11 AM
30°F
0%
9mph
NW
Sunny
Humidity
50%
Feels like
22°F
Dew Point
13°F
12 PM
30°F
0%
9mph
NW
Sunny
Humidity
47%
Feels like
23°F
Dew Point
13°F
1 PM
31°F
0%
8mph
WNW
Sunny
Humidity
46%
Feels like
23°F
Dew Point
13°F
2 PM
31°F
0%
7mph
WNW
Sunny
Humidity
48%
Feels like
24°F
Dew Point
13°F
3 PM
31°F
0%
7mph
WNW
Sunny
Humidity
52%
Feels like
24°F
Dew Point
15°F
4 PM
31°F
0%
7mph
W
Sunny
Humidity
54%
Feels like
24°F
Dew Point
16°F
4:13 PM
5 PM
31°F
0%
7mph
W
Clear
Humidity
57%
Feels like
24°F
Dew Point
17°F
6 PM
31°F
0%
7mph
W
Clear
Humidity
58%
Feels like
24°F
Dew Point
18°F
7 PM
31°F
0%
6mph
W
Clear
Humidity
60%
Feels like
25°F
Dew Point
19°F
8 PM
31°F
0%
7mph
W
Mostly Clear
Humidity
61%
Feels like
25°F
Dew Point
19°F
9 PM
31°F
0%
7mph
W
Mostly Cloudy
Humidity
61%
Feels like
25°F
Dew Point
20°F
10 PM
31°F
0%
7mph
W
Cloudy
Humidity
63%
Feels like
25°F
Dew Point
20°F
11 PM
31°F
0%
7mph
W
Cloudy
Humidity
64%
Feels like
24°F
Dew Point
20°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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