Hourly Weather Forecast - Portsmouth, NH

12 AM
34°F
0%
11mph
SSW
Cloudy
Humidity
68%
Feels like
26°F
Dew Point
25°F
1 AM
35°F
0%
12mph
SSW
Cloudy
Humidity
70%
Feels like
27°F
Dew Point
26°F
2 AM
35°F
10%
12mph
SSW
Cloudy
Humidity
71%
Feels like
27°F
Dew Point
27°F
3 AM
36°F
10%
12mph
SSW
Cloudy
Humidity
73%
Feels like
28°F
Dew Point
28°F
4 AM
37°F
10%
12mph
SSW
Cloudy
Humidity
74%
Feels like
28°F
Dew Point
29°F
5 AM
37°F
10%
12mph
SW
Cloudy
Humidity
76%
Feels like
29°F
Dew Point
30°F
6 AM
38°F
10%
11mph
SW
Cloudy
Humidity
77%
Feels like
30°F
Dew Point
31°F
7 AM
39°F
10%
11mph
SW
Cloudy
Humidity
77%
Feels like
32°F
Dew Point
32°F
7:11 AM
8 AM
40°F
10%
11mph
SW
Partly Cloudy
Humidity
77%
Feels like
33°F
Dew Point
33°F
9 AM
41°F
10%
11mph
SW
Mostly Sunny
Humidity
75%
Feels like
35°F
Dew Point
34°F
10 AM
42°F
10%
11mph
WSW
Sunny
Humidity
71%
Feels like
36°F
Dew Point
33°F
11 AM
43°F
10%
12mph
WSW
Mostly Sunny
Humidity
64%
Feels like
37°F
Dew Point
32°F
12 PM
44°F
10%
14mph
WSW
Partly Cloudy
Humidity
60%
Feels like
37°F
Dew Point
31°F
1 PM
43°F
10%
14mph
W
Partly Cloudy
Humidity
58%
Feels like
35°F
Dew Point
29°F
2 PM
41°F
10%
15mph
W
Partly Cloudy
Humidity
57%
Feels like
33°F
Dew Point
27°F
3 PM
39°F
0%
14mph
W
Mostly Sunny
Humidity
57%
Feels like
31°F
Dew Point
25°F
4 PM
36°F
0%
14mph
W
Sunny
Humidity
57%
Feels like
27°F
Dew Point
23°F
4:11 PM
5 PM
34°F
0%
14mph
W
Mostly Clear
Humidity
57%
Feels like
24°F
Dew Point
20°F
6 PM
32°F
0%
15mph
W
Mostly Clear
Humidity
54%
Feels like
22°F
Dew Point
17°F
7 PM
31°F
0%
14mph
WNW
Mostly Clear
Humidity
52%
Feels like
20°F
Dew Point
15°F
8 PM
30°F
0%
14mph
WNW
Mostly Clear
Humidity
50%
Feels like
19°F
Dew Point
13°F
9 PM
29°F
0%
14mph
WNW
Partly Cloudy
Humidity
50%
Feels like
18°F
Dew Point
12°F
10 PM
28°F
0%
14mph
WNW
Mostly Clear
Humidity
50%
Feels like
16°F
Dew Point
11°F
11 PM
26°F
0%
14mph
WNW
Mostly Clear
Humidity
51%
Feels like
15°F
Dew Point
11°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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