Hourly Weather Forecast - Chatham, MA

12 AM
31°F
0%
4mph
NW
Mostly Cloudy
Humidity
70%
Feels like
27°F
Dew Point
23°F
1 AM
31°F
0%
4mph
NW
Mostly Cloudy
Humidity
72%
Feels like
26°F
Dew Point
23°F
2 AM
30°F
0%
4mph
WNW
Partly Cloudy
Humidity
73%
Feels like
26°F
Dew Point
22°F
3 AM
30°F
0%
3mph
W
Mostly Cloudy
Humidity
74%
Feels like
26°F
Dew Point
22°F
4 AM
29°F
0%
4mph
W
Mostly Cloudy
Humidity
74%
Feels like
26°F
Dew Point
22°F
5 AM
30°F
0%
4mph
WSW
Mostly Cloudy
Humidity
73%
Feels like
26°F
Dew Point
22°F
6 AM
31°F
10%
4mph
WSW
Cloudy
Humidity
72%
Feels like
27°F
Dew Point
23°F
7 AM
32°F
10%
4mph
SW
Mostly Cloudy
Humidity
70%
Feels like
28°F
Dew Point
24°F
7:05 AM
8 AM
34°F
10%
4mph
SW
Mostly Cloudy
Humidity
69%
Feels like
30°F
Dew Point
25°F
9 AM
36°F
10%
5mph
SW
Mostly Cloudy
Humidity
67%
Feels like
32°F
Dew Point
26°F
10 AM
38°F
20%
5mph
SW
Mostly Cloudy
Humidity
60%
Feels like
34°F
Dew Point
26°F
11 AM
40°F
20%
6mph
SW
Mostly Cloudy
Humidity
59%
Feels like
35°F
Dew Point
26°F
12 PM
41°F
30%
6mph
SW
30% Chance of Light Rain
Humidity
57%
Feels like
37°F
Dew Point
27°F
1 PM
42°F
30%
6mph
SW
30% Chance of Light Rain
Humidity
57%
Feels like
38°F
Dew Point
28°F
2 PM
42°F
40%
7mph
SW
40% Chance of Light Rain
Humidity
61%
Feels like
38°F
Dew Point
29°F
3 PM
42°F
40%
6mph
SW
40% Chance of Light Rain
Humidity
67%
Feels like
38°F
Dew Point
32°F
4 PM
41°F
40%
6mph
SW
40% Chance of Light Rain
Humidity
72%
Feels like
37°F
Dew Point
33°F
4:14 PM
5 PM
41°F
40%
6mph
SW
40% Chance of Light Rain
Humidity
76%
Feels like
37°F
Dew Point
34°F
6 PM
41°F
30%
6mph
SW
30% Chance of Light Rain
Humidity
80%
Feels like
37°F
Dew Point
35°F
7 PM
41°F
30%
6mph
WSW
30% Chance of Light Rain
Humidity
80%
Feels like
37°F
Dew Point
35°F
8 PM
41°F
20%
6mph
SW
Cloudy
Humidity
83%
Feels like
37°F
Dew Point
36°F
9 PM
41°F
20%
6mph
SW
Cloudy
Humidity
82%
Feels like
37°F
Dew Point
36°F
10 PM
41°F
20%
6mph
SW
Mostly Cloudy
Humidity
83%
Feels like
37°F
Dew Point
36°F
11 PM
41°F
20%
6mph
SW
Mostly Cloudy
Humidity
79%
Feels like
37°F
Dew Point
35°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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide