Hourly Weather Forecast - Portsmouth, NH

12 PM
29°F
10%
6mph
SW
Mostly Cloudy
Humidity
85%
Feels like
23°F
Dew Point
25°F
1 PM
29°F
0%
7mph
SW
Mostly Cloudy
Humidity
83%
Feels like
22°F
Dew Point
24°F
2 PM
29°F
0%
8mph
SW
Mostly Cloudy
Humidity
79%
Feels like
21°F
Dew Point
23°F
3 PM
29°F
0%
9mph
SW
Partly Cloudy
Humidity
76%
Feels like
21°F
Dew Point
22°F
4 PM
29°F
0%
9mph
SW
Partly Cloudy
Humidity
73%
Feels like
21°F
Dew Point
22°F
4:38 PM
5 PM
29°F
0%
9mph
SW
Mostly Cloudy
Humidity
74%
Feels like
20°F
Dew Point
21°F
6 PM
28°F
30%
10mph
WSW
30% Chance of Snow
Humidity
75%
Feels like
19°F
Dew Point
21°F
7 PM
27°F
0%
10mph
WSW
Partly Cloudy
Humidity
71%
Feels like
18°F
Dew Point
19°F
8 PM
26°F
30%
11mph
SW
30% Chance of Snow
Humidity
71%
Feels like
16°F
Dew Point
19°F
9 PM
26°F
0%
11mph
SW
Partly Cloudy
Humidity
72%
Feels like
16°F
Dew Point
18°F
10 PM
25°F
0%
10mph
SW
Partly Cloudy
Humidity
71%
Feels like
15°F
Dew Point
17°F
11 PM
25°F
0%
11mph
SW
Mostly Clear
Humidity
70%
Feels like
14°F
Dew Point
16°F

Snow Forecast through Sunday

Series of Weather Systems Cover Great Lakes, East in Snow

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and Eastern U.S.

Monday's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide