Hourly Weather Forecast - Portsmouth, NH

12 AM
18°F
10%
11mph
NW
Mostly Clear
Humidity
67%
Feels like
6°F
Dew Point
9°F
1 AM
17°F
10%
11mph
NW
Mostly Clear
Humidity
67%
Feels like
4°F
Dew Point
8°F
2 AM
16°F
10%
11mph
NW
Mostly Clear
Humidity
67%
Feels like
3°F
Dew Point
7°F
3 AM
16°F
10%
12mph
NW
Mostly Clear
Humidity
67%
Feels like
3°F
Dew Point
7°F
4 AM
16°F
10%
12mph
NW
Mostly Clear
Humidity
67%
Feels like
2°F
Dew Point
7°F
5 AM
15°F
10%
13mph
NW
Clear
Humidity
68%
Feels like
1°F
Dew Point
7°F
6 AM
15°F
0%
13mph
NW
Clear
Humidity
71%
Feels like
1°F
Dew Point
7°F
7 AM
15°F
0%
13mph
NW
Clear
Humidity
71%
Feels like
1°F
Dew Point
8°F
7:07 AM
8 AM
17°F
0%
13mph
NW
Sunny
Humidity
70%
Feels like
3°F
Dew Point
8°F
9 AM
19°F
0%
13mph
NW
Sunny
Humidity
65%
Feels like
6°F
Dew Point
9°F
10 AM
21°F
0%
13mph
NW
Sunny
Humidity
61%
Feels like
8°F
Dew Point
10°F
11 AM
22°F
0%
14mph
NW
Sunny
Humidity
59%
Feels like
10°F
Dew Point
10°F
12 PM
23°F
0%
14mph
WNW
Sunny
Humidity
58%
Feels like
11°F
Dew Point
10°F
1 PM
23°F
0%
14mph
WNW
Sunny
Humidity
57%
Feels like
11°F
Dew Point
10°F
2 PM
22°F
0%
13mph
WNW
Sunny
Humidity
58%
Feels like
10°F
Dew Point
10°F
3 PM
21°F
0%
12mph
WNW
Sunny
Humidity
60%
Feels like
9°F
Dew Point
10°F
4 PM
19°F
0%
11mph
WNW
Sunny
Humidity
63%
Feels like
7°F
Dew Point
9°F
4:08 PM
5 PM
18°F
0%
11mph
WNW
Clear
Humidity
65%
Feels like
6°F
Dew Point
8°F
6 PM
18°F
0%
10mph
WNW
Clear
Humidity
65%
Feels like
6°F
Dew Point
8°F
7 PM
18°F
0%
10mph
WNW
Clear
Humidity
65%
Feels like
6°F
Dew Point
8°F
8 PM
18°F
0%
9mph
W
Mostly Clear
Humidity
64%
Feels like
7°F
Dew Point
8°F
9 PM
18°F
10%
9mph
W
Mostly Clear
Humidity
65%
Feels like
8°F
Dew Point
8°F
10 PM
19°F
10%
9mph
W
Partly Cloudy
Humidity
66%
Feels like
8°F
Dew Point
9°F
11 PM
19°F
20%
8mph
W
Partly Cloudy
Humidity
67%
Feels like
9°F
Dew Point
10°F

Snowfall forecast through Saturday A.M.

More Snow Across the Northern U.S. into the Midwest

The parade of snow will continue across the northern U.S. and Midwest through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Rains Finally Easing Across the Northwest

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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