Hourly Weather Forecast - Portsmouth, NH

12 AM
35°F
0%
8mph
SW
Partly Cloudy
Humidity
64%
Feels like
28°F
Dew Point
24°F
1 AM
34°F
0%
9mph
SW
Partly Cloudy
Humidity
66%
Feels like
27°F
Dew Point
24°F
2 AM
34°F
0%
9mph
SW
Mostly Clear
Humidity
68%
Feels like
27°F
Dew Point
24°F
3 AM
34°F
0%
8mph
SW
Mostly Clear
Humidity
68%
Feels like
27°F
Dew Point
24°F
4 AM
33°F
0%
8mph
SW
Mostly Clear
Humidity
68%
Feels like
26°F
Dew Point
24°F
5 AM
33°F
0%
7mph
SW
Mostly Clear
Humidity
67%
Feels like
26°F
Dew Point
23°F
6 AM
32°F
0%
7mph
SW
Mostly Clear
Humidity
67%
Feels like
26°F
Dew Point
23°F
6:38 AM
7 AM
33°F
0%
6mph
SW
Sunny
Humidity
67%
Feels like
27°F
Dew Point
23°F
8 AM
35°F
0%
6mph
SW
Sunny
Humidity
64%
Feels like
29°F
Dew Point
24°F
9 AM
37°F
0%
7mph
WSW
Mostly Sunny
Humidity
62%
Feels like
32°F
Dew Point
26°F
10 AM
40°F
0%
8mph
WSW
Mostly Sunny
Humidity
59%
Feels like
35°F
Dew Point
27°F
11 AM
42°F
0%
8mph
WSW
Partly Cloudy
Humidity
55%
Feels like
37°F
Dew Point
28°F
12 PM
45°F
0%
9mph
WSW
Mostly Sunny
Humidity
52%
Feels like
40°F
Dew Point
28°F
1 PM
46°F
0%
11mph
WSW
Mostly Cloudy
Humidity
48%
Feels like
41°F
Dew Point
28°F
2 PM
48°F
0%
11mph
WSW
Cloudy
Humidity
45%
Feels like
43°F
Dew Point
28°F
3 PM
49°F
10%
11mph
WSW
Cloudy
Humidity
45%
Feels like
44°F
Dew Point
28°F
4 PM
49°F
10%
11mph
WSW
Cloudy
Humidity
46%
Feels like
44°F
Dew Point
29°F
5 PM
48°F
10%
10mph
WSW
Cloudy
Humidity
48%
Feels like
44°F
Dew Point
29°F
6 PM
47°F
10%
9mph
WSW
Cloudy
Humidity
53%
Feels like
42°F
Dew Point
31°F
7 PM
46°F
10%
9mph
W
Cloudy
Humidity
56%
Feels like
41°F
Dew Point
31°F
7:01 PM
8 PM
44°F
20%
8mph
W
Cloudy
Humidity
65%
Feels like
40°F
Dew Point
33°F
9 PM
43°F
20%
7mph
W
Cloudy
Humidity
68%
Feels like
39°F
Dew Point
33°F
10 PM
41°F
30%
6mph
W
30% Chance of Light Rain
Humidity
76%
Feels like
37°F
Dew Point
34°F
11 PM
39°F
30%
6mph
WNW
30% Chance of Light Rain
Humidity
80%
Feels like
35°F
Dew Point
33°F

Sunday's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Much of the Southwest will observe record-breaking heat through the weekend, with high temperatures reminiscent of mid-summer!

Weekend Weather Outlook

Today's Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

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