Hourly Weather Forecast - Portsmouth, NH

12 AM
37°F
30%
6mph
WNW
30% Chance of Light Rain
Humidity
76%
Feels like
32°F
Dew Point
30°F
1 AM
36°F
30%
6mph
WNW
30% Chance Frozen Mix
Humidity
78%
Feels like
31°F
Dew Point
30°F
2 AM
35°F
30%
6mph
WNW
30% Chance Frozen Mix
Humidity
77%
Feels like
30°F
Dew Point
29°F
3 AM
35°F
30%
6mph
WNW
30% Chance of Light Rain
Humidity
77%
Feels like
29°F
Dew Point
28°F
4 AM
34°F
30%
7mph
WNW
30% Chance of Light Rain
Humidity
77%
Feels like
28°F
Dew Point
27°F
5 AM
33°F
30%
7mph
WNW
30% Chance of Light Rain
Humidity
74%
Feels like
26°F
Dew Point
26°F
6 AM
32°F
30%
7mph
W
30% Chance of Light Rain
Humidity
72%
Feels like
26°F
Dew Point
24°F
6:36 AM
7 AM
33°F
30%
7mph
SW
30% Chance of Light Rain
Humidity
71%
Feels like
27°F
Dew Point
25°F
8 AM
35°F
30%
7mph
SSW
30% Chance of Light Rain
Humidity
75%
Feels like
30°F
Dew Point
28°F
9 AM
38°F
30%
7mph
S
30% Chance of Light Rain
Humidity
70%
Feels like
33°F
Dew Point
29°F
10 AM
40°F
30%
7mph
S
30% Chance of Light Rain
Humidity
65%
Feels like
35°F
Dew Point
29°F
11 AM
42°F
30%
7mph
S
30% Chance of Light Rain
Humidity
59%
Feels like
37°F
Dew Point
28°F
12 PM
43°F
30%
7mph
S
30% Chance of Light Rain
Humidity
56%
Feels like
39°F
Dew Point
28°F
1 PM
44°F
20%
7mph
S
Cloudy
Humidity
52%
Feels like
40°F
Dew Point
28°F
2 PM
44°F
20%
7mph
S
Cloudy
Humidity
53%
Feels like
40°F
Dew Point
28°F
3 PM
44°F
30%
8mph
S
30% Chance of Light Rain
Humidity
59%
Feels like
40°F
Dew Point
31°F
4 PM
43°F
30%
9mph
S
30% Chance of Light Rain
Humidity
67%
Feels like
38°F
Dew Point
33°F
5 PM
42°F
30%
9mph
S
30% Chance of Light Rain
Humidity
74%
Feels like
36°F
Dew Point
34°F
6 PM
41°F
30%
9mph
S
30% Chance of Light Rain
Humidity
78%
Feels like
35°F
Dew Point
35°F
7 PM
40°F
30%
9mph
S
30% Chance of Light Rain
Humidity
81%
Feels like
35°F
Dew Point
35°F
7:02 PM
8 PM
41°F
40%
9mph
S
40% Chance Rain Showers
Humidity
79%
Feels like
35°F
Dew Point
35°F
9 PM
41°F
40%
9mph
S
40% Chance Rain Showers
Humidity
80%
Feels like
35°F
Dew Point
36°F
10 PM
42°F
50%
10mph
SSW
50% Chance Rain Showers
Humidity
84%
Feels like
37°F
Dew Point
38°F
11 PM
43°F
50%
11mph
SSW
50% Chance of Light Rain
Humidity
83%
Feels like
38°F
Dew Point
38°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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