Hourly Weather Forecast - Portsmouth, NH

12 AM
14°F
0%
5mph
SW
Clear
Humidity
70%
Feels like
7°F
Dew Point
6°F
1 AM
13°F
0%
5mph
SW
Clear
Humidity
71%
Feels like
5°F
Dew Point
6°F
2 AM
12°F
0%
5mph
SW
Clear
Humidity
76%
Feels like
4°F
Dew Point
6°F
3 AM
11°F
0%
5mph
SW
Clear
Humidity
78%
Feels like
3°F
Dew Point
6°F
4 AM
11°F
0%
4mph
SW
Clear
Humidity
80%
Feels like
3°F
Dew Point
6°F
5 AM
11°F
0%
5mph
SW
Clear
Humidity
82%
Feels like
3°F
Dew Point
7°F
6 AM
16°F
0%
5mph
SW
Clear
Humidity
71%
Feels like
8°F
Dew Point
8°F
6:16 AM
7 AM
21°F
0%
5mph
SW
Sunny
Humidity
62%
Feels like
14°F
Dew Point
10°F
8 AM
27°F
0%
6mph
SW
Sunny
Humidity
54%
Feels like
20°F
Dew Point
13°F
9 AM
30°F
0%
7mph
SSW
Mostly Sunny
Humidity
54%
Feels like
23°F
Dew Point
15°F
10 AM
32°F
0%
8mph
SSW
Mostly Sunny
Humidity
53%
Feels like
25°F
Dew Point
17°F
11 AM
34°F
0%
8mph
SSW
Partly Cloudy
Humidity
52%
Feels like
27°F
Dew Point
19°F
12 PM
35°F
10%
9mph
SSW
Mostly Cloudy
Humidity
52%
Feels like
29°F
Dew Point
20°F
1 PM
36°F
10%
9mph
SSW
Cloudy
Humidity
55%
Feels like
29°F
Dew Point
21°F
2 PM
36°F
30%
8mph
SSW
30% Chance of Light Rain
Humidity
60%
Feels like
30°F
Dew Point
24°F
3 PM
36°F
50%
7mph
SSW
50% Chance of Heavy Snow
Humidity
65%
Feels like
30°F
Dew Point
26°F
4 PM
35°F
70%
5mph
S
70% Chance of Snow
Humidity
72%
Feels like
31°F
Dew Point
27°F
5 PM
35°F
90%
5mph
S
Heavy Snow
Humidity
77%
Feels like
31°F
Dew Point
28°F
5:34 PM
6 PM
34°F
90%
5mph
SSE
Snow
Humidity
83%
Feels like
30°F
Dew Point
30°F
7 PM
34°F
90%
5mph
SE
Snow
Humidity
87%
Feels like
30°F
Dew Point
31°F
8 PM
34°F
100%
4mph
ESE
Sleet
Humidity
90%
Feels like
30°F
Dew Point
31°F
9 PM
34°F
100%
4mph
ENE
Rain
Humidity
93%
Feels like
30°F
Dew Point
32°F
10 PM
34°F
90%
4mph
NE
Rain
Humidity
95%
Feels like
31°F
Dew Point
33°F
11 PM
33°F
100%
4mph
N
Rain
Humidity
96%
Feels like
30°F
Dew Point
33°F

Snow and Ice Accumulations through Tuesday

Wintry Disturbance Hits Northeastern U.S.

A wintry disturbance will continue northeastward, buffeting the northeastern U.S. with light snow, freezing rain, and plain rain through Tuesday night.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide