Hourly Weather Forecast - Portsmouth, NH

12 AM
37°F
20%
10mph
NNE
Cloudy
Humidity
91%
Feels like
30°F
Dew Point
34°F
1 AM
36°F
20%
11mph
NNE
Cloudy
Humidity
91%
Feels like
28°F
Dew Point
34°F
2 AM
35°F
30%
11mph
NNE
30% Chance of Snow
Humidity
91%
Feels like
28°F
Dew Point
33°F
3 AM
35°F
20%
11mph
NNE
Cloudy
Humidity
90%
Feels like
27°F
Dew Point
32°F
4 AM
35°F
20%
11mph
NNE
Cloudy
Humidity
88%
Feels like
26°F
Dew Point
31°F
5 AM
34°F
30%
11mph
NNE
30% Chance of Snow
Humidity
84%
Feels like
26°F
Dew Point
30°F
6 AM
34°F
30%
11mph
NNE
30% Chance of Snow
Humidity
81%
Feels like
25°F
Dew Point
28°F
6:41 AM
7 AM
34°F
10%
11mph
NNE
Cloudy
Humidity
81%
Feels like
25°F
Dew Point
28°F
8 AM
34°F
10%
11mph
N
Cloudy
Humidity
81%
Feels like
26°F
Dew Point
29°F
9 AM
35°F
20%
11mph
N
Cloudy
Humidity
81%
Feels like
27°F
Dew Point
30°F
10 AM
35°F
30%
11mph
N
30% Chance of Light Rain
Humidity
83%
Feels like
27°F
Dew Point
30°F
11 AM
35°F
30%
11mph
N
30% Chance of Light Rain
Humidity
84%
Feels like
27°F
Dew Point
31°F
12 PM
35°F
30%
11mph
N
30% Chance of Flurries
Humidity
83%
Feels like
27°F
Dew Point
31°F
1 PM
36°F
30%
10mph
N
30% Chance of Flurries
Humidity
81%
Feels like
28°F
Dew Point
30°F
2 PM
36°F
20%
10mph
N
Cloudy
Humidity
78%
Feels like
29°F
Dew Point
30°F
3 PM
36°F
20%
9mph
N
Cloudy
Humidity
77%
Feels like
29°F
Dew Point
30°F
4 PM
37°F
20%
9mph
N
Cloudy
Humidity
77%
Feels like
30°F
Dew Point
30°F
5 PM
37°F
30%
8mph
N
30% Chance of Snow
Humidity
75%
Feels like
31°F
Dew Point
30°F
6 PM
36°F
30%
7mph
N
30% Chance of Flurries
Humidity
78%
Feels like
30°F
Dew Point
30°F
6:58 PM
7 PM
35°F
30%
7mph
N
30% Chance Snow Showers
Humidity
79%
Feels like
30°F
Dew Point
30°F
8 PM
35°F
30%
6mph
N
30% Chance of Snow
Humidity
79%
Feels like
29°F
Dew Point
29°F
9 PM
34°F
40%
6mph
N
40% Chance Frozen Mix
Humidity
81%
Feels like
28°F
Dew Point
28°F
10 PM
33°F
40%
6mph
N
40% Chance Rain Showers
Humidity
83%
Feels like
27°F
Dew Point
28°F
11 PM
32°F
30%
6mph
N
30% Chance of Snow
Humidity
82%
Feels like
27°F
Dew Point
27°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

Weekend 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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