Hourly Weather Forecast - Portsmouth, NH

12 AM
36°F
10%
3mph
NNE
Mostly Cloudy
Humidity
58%
Feels like
33°F
Dew Point
22°F
1 AM
36°F
10%
2mph
NNE
Mostly Cloudy
Humidity
59%
Feels like
36°F
Dew Point
23°F
2 AM
35°F
10%
2mph
NE
Cloudy
Humidity
62%
Feels like
35°F
Dew Point
24°F
3 AM
35°F
10%
2mph
ENE
Cloudy
Humidity
63%
Feels like
35°F
Dew Point
24°F
4 AM
35°F
10%
3mph
ESE
Mostly Cloudy
Humidity
64%
Feels like
32°F
Dew Point
24°F
5 AM
35°F
10%
4mph
SE
Cloudy
Humidity
65%
Feels like
31°F
Dew Point
24°F
6 AM
35°F
10%
5mph
SE
Cloudy
Humidity
66%
Feels like
30°F
Dew Point
24°F
6:43 AM
7 AM
35°F
20%
6mph
SE
Cloudy
Humidity
71%
Feels like
30°F
Dew Point
27°F
8 AM
37°F
40%
8mph
SE
40% Chance of Light Rain
Humidity
74%
Feels like
31°F
Dew Point
29°F
9 AM
37°F
50%
9mph
SE
50% Chance of Light Rain
Humidity
80%
Feels like
31°F
Dew Point
32°F
10 AM
38°F
60%
9mph
SE
60% Chance of Light Rain
Humidity
87%
Feels like
31°F
Dew Point
34°F
11 AM
38°F
90%
10mph
SE
Light Rain
Humidity
93%
Feels like
31°F
Dew Point
36°F
12 PM
38°F
80%
10mph
SE
80% Chance of Light Rain
Humidity
98%
Feels like
31°F
Dew Point
38°F
1 PM
38°F
70%
9mph
SE
70% Chance of Light Rain
Humidity
98%
Feels like
32°F
Dew Point
38°F
2 PM
39°F
80%
9mph
SE
80% Chance of Light Rain
Humidity
97%
Feels like
33°F
Dew Point
38°F
3 PM
39°F
70%
7mph
SE
70% Chance of Light Rain
Humidity
100%
Feels like
34°F
Dew Point
39°F
4 PM
40°F
60%
5mph
ESE
60% Chance of Light Rain
Humidity
100%
Feels like
36°F
Dew Point
40°F
5 PM
40°F
40%
4mph
ESE
40% Chance of Light Rain
Humidity
100%
Feels like
37°F
Dew Point
40°F
6 PM
40°F
30%
5mph
ENE
30% Chance of Light Rain
Humidity
100%
Feels like
37°F
Dew Point
40°F
6:57 PM
7 PM
40°F
30%
6mph
NNE
30% Chance of Light Rain
Humidity
99%
Feels like
36°F
Dew Point
40°F
8 PM
39°F
30%
6mph
N
30% Chance of Light Rain
Humidity
97%
Feels like
34°F
Dew Point
38°F
9 PM
38°F
30%
7mph
N
30% Chance of Light Rain
Humidity
97%
Feels like
33°F
Dew Point
38°F
10 PM
38°F
30%
9mph
N
30% Chance of Light Rain
Humidity
96%
Feels like
32°F
Dew Point
37°F
11 PM
37°F
20%
9mph
N
Cloudy
Humidity
92%
Feels like
31°F
Dew Point
35°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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