Hourly Weather Forecast - Portsmouth, NH

3 AM
12°F
0%
13mph
NW
Clear
Humidity
58%
Feels like
-3°F
Dew Point
0°F
4 AM
12°F
0%
13mph
NW
Clear
Humidity
59%
Feels like
-3°F
Dew Point
0°F
5 AM
12°F
0%
13mph
NW
Clear
Humidity
59%
Feels like
-3°F
Dew Point
1°F
6 AM
13°F
0%
13mph
WNW
Clear
Humidity
60%
Feels like
-2°F
Dew Point
2°F
7 AM
14°F
0%
14mph
WNW
Clear
Humidity
60%
Feels like
0°F
Dew Point
3°F
7:07 AM
8 AM
16°F
0%
13mph
WNW
Sunny
Humidity
59%
Feels like
2°F
Dew Point
4°F
9 AM
18°F
0%
13mph
WNW
Sunny
Humidity
58%
Feels like
4°F
Dew Point
6°F
10 AM
19°F
0%
13mph
WNW
Sunny
Humidity
57%
Feels like
6°F
Dew Point
7°F
11 AM
21°F
0%
13mph
WNW
Mostly Sunny
Humidity
57%
Feels like
8°F
Dew Point
8°F
12 PM
22°F
0%
14mph
WNW
Partly Cloudy
Humidity
56%
Feels like
9°F
Dew Point
9°F
1 PM
22°F
0%
14mph
WNW
Partly Cloudy
Humidity
57%
Feels like
10°F
Dew Point
9°F
2 PM
22°F
0%
13mph
WNW
Partly Cloudy
Humidity
58%
Feels like
10°F
Dew Point
10°F
3 PM
22°F
0%
13mph
WNW
Mostly Cloudy
Humidity
59%
Feels like
10°F
Dew Point
10°F
4 PM
21°F
0%
12mph
WNW
Partly Cloudy
Humidity
60%
Feels like
9°F
Dew Point
9°F
4:08 PM
5 PM
20°F
0%
11mph
WNW
Mostly Cloudy
Humidity
61%
Feels like
9°F
Dew Point
9°F
6 PM
20°F
0%
10mph
WNW
Partly Cloudy
Humidity
62%
Feels like
9°F
Dew Point
9°F
7 PM
20°F
0%
9mph
W
Partly Cloudy
Humidity
63%
Feels like
9°F
Dew Point
10°F
8 PM
20°F
0%
9mph
W
Partly Cloudy
Humidity
64%
Feels like
10°F
Dew Point
10°F
9 PM
20°F
10%
8mph
W
Partly Cloudy
Humidity
65%
Feels like
11°F
Dew Point
11°F
10 PM
20°F
10%
7mph
W
Partly Cloudy
Humidity
67%
Feels like
11°F
Dew Point
11°F
11 PM
20°F
0%
7mph
WSW
Partly Cloudy
Humidity
69%
Feels like
11°F
Dew Point
12°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Monday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

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

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