Hourly Weather Forecast - Portsmouth, NH

12 AM
44°F
60%
11mph
SSW
60% Chance of Light Rain
Humidity
86%
Feels like
38°F
Dew Point
40°F
1 AM
45°F
70%
12mph
SSW
70% Chance Rain Showers
Humidity
86%
Feels like
40°F
Dew Point
42°F
2 AM
47°F
70%
12mph
SW
70% Chance Rain Showers
Humidity
88%
Feels like
41°F
Dew Point
43°F
3 AM
48°F
70%
12mph
SW
70% Chance Rain Showers
Humidity
89%
Feels like
42°F
Dew Point
45°F
4 AM
48°F
70%
12mph
WSW
70% Chance Rain Showers
Humidity
89%
Feels like
43°F
Dew Point
45°F
5 AM
48°F
60%
11mph
W
60% Chance Rain Showers
Humidity
86%
Feels like
43°F
Dew Point
44°F
6 AM
47°F
50%
12mph
WNW
50% Chance Rain Showers
Humidity
82%
Feels like
42°F
Dew Point
42°F
6:34 AM
7 AM
46°F
40%
13mph
WNW
40% Chance Rain Showers
Humidity
78%
Feels like
40°F
Dew Point
39°F
8 AM
44°F
30%
13mph
WNW
30% Chance Rain Showers
Humidity
73%
Feels like
37°F
Dew Point
35°F
9 AM
42°F
20%
13mph
WNW
Partly Cloudy
Humidity
53%
Feels like
35°F
Dew Point
26°F
10 AM
40°F
20%
15mph
WNW
Partly Cloudy
Humidity
50%
Feels like
33°F
Dew Point
23°F
11 AM
40°F
10%
15mph
NW
Mostly Cloudy
Humidity
48%
Feels like
32°F
Dew Point
22°F
12 PM
39°F
10%
16mph
NW
Cloudy
Humidity
44%
Feels like
31°F
Dew Point
19°F
1 PM
39°F
10%
15mph
NW
Cloudy
Humidity
43%
Feels like
30°F
Dew Point
18°F
2 PM
38°F
10%
15mph
NW
Cloudy
Humidity
41%
Feels like
30°F
Dew Point
17°F
3 PM
38°F
10%
15mph
NW
Cloudy
Humidity
37%
Feels like
30°F
Dew Point
14°F
4 PM
38°F
10%
14mph
NW
Cloudy
Humidity
36%
Feels like
29°F
Dew Point
13°F
5 PM
37°F
10%
14mph
NW
Cloudy
Humidity
36%
Feels like
28°F
Dew Point
13°F
6 PM
35°F
10%
13mph
NW
Cloudy
Humidity
37%
Feels like
27°F
Dew Point
12°F
7 PM
32°F
10%
12mph
NW
Cloudy
Humidity
39%
Feels like
23°F
Dew Point
10°F
7:03 PM
8 PM
30°F
10%
11mph
NW
Cloudy
Humidity
41%
Feels like
20°F
Dew Point
9°F
9 PM
28°F
10%
10mph
NW
Cloudy
Humidity
48%
Feels like
18°F
Dew Point
11°F
10 PM
27°F
0%
10mph
NW
Cloudy
Humidity
51%
Feels like
17°F
Dew Point
11°F
11 PM
26°F
0%
9mph
NW
Mostly Cloudy
Humidity
51%
Feels like
17°F
Dew Point
11°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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