PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


PORTSMOUTH, NH
Current Weather

10:55 PM EST NOV 12, 2026
Overcast
Light Rain
Mist
41°F
Feels Like: 34°F
Dewpoint: 39°F
Rel. Hum.: 93%
Visibility: 4 miles
Wind: NNE at 12 mph
Pressure:
Last 72 hours

Local Area Snow Depth

New Hampshire Current Weather

New Hampshire MOS Forecast Weather


Weather Map


(Automated weather data from NWS/FAA)
10-Day model forecast maps
2026 Hurricanes

PORTSMOUTH, NH 03803
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Rain. Lows in the lower 30s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
FRIDAY
Cloudy. Rain likely with a chance of snow in the morning, then a chance of rain in the afternoon. Little or no snow accumulation. Highs in the mid 40s. North winds around 10 mph with gusts up to 25 mph. Chance of precipitation 60 percent.
FRIDAY NIGHT
Mostly cloudy. Lows in the upper 20s. Light and variable winds.
SATURDAY
Mostly cloudy. Highs in the upper 40s. Light and variable winds.
SATURDAY NIGHT
Partly cloudy. Lows in the upper 20s.
SUNDAY
Partly sunny. Highs in the upper 40s.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 30s.
MONDAY
Mostly sunny. Highs around 50.
MONDAY NIGHT
Clear. Lows in the upper 20s.
TUESDAY
Mostly sunny. Highs in the mid 50s.
TUESDAY NIGHT
Mostly clear. Lows in the mid 30s.
WEDNESDAY
Mostly sunny. Highs in the lower 60s.

Visible Weather Satellite
PORTSMOUTH, NH 03803
Infrared Weather Satellite
PORTSMOUTH, NH 03803
NEXRAD Weather Radar
PORTSMOUTH, NH 03803

PORTSMOUTH, NH 3 hourly weather forecast

weather forecast created  7:00 PM EST 11/12/2026
Friday
13 NOV 2026
PORTSMOUTH, NH 03803 weather forecast Day 1, 0 hours 1 AM 38° 30° Overcast 92%
RAIN
***
0% Thunder
( 3% severe)
NNE   12 100% 38°
Low 31° PORTSMOUTH, NH 03803 weather forecast Day 1, 3 hours 4 AM 34° 25° Overcast NNE   13 100% 34°
High 47° PORTSMOUTH, NH 03803 weather forecast Day 1, 6 hours 7 AM 32° 23° Mostly Cloudy 18%
RAIN
.01–.1 in
0% Thunder
( 1% severe)
N   12 100% 32°

Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 9 hours 10 AM 40° 33° Mostly Cloudy N   12 73% 32°
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 1 PM 44° 38° Mostly Cloudy 9%

0% Thunder
( 0% severe)
N   12 53% 28°
PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 4 PM 43° 39° Mostly Cloudy N   7 55% 28°
PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 7 PM 37° 33° Mostly Cloudy 3%

0% Thunder
( 0% severe)
NNW   5 72% 29°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 10 PM 34° 29° Mostly Cloudy N   6 78% 28°
Saturday
14 NOV 2026
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 1 AM 31° 25° Mostly Cloudy 2%

0% Thunder
( 0% severe)
NNW   6 84% 27°
Low 27° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 4 AM 30° 24° Mostly Cloudy NW   6 88% 27°
High 49° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 7 AM 30° 24° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WNW   6 92% 28°

Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 10 AM 42° 38° Mostly Cloudy NW   7 57% 28°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 1 PM 46° 41° Mostly Cloudy 0%

0% Thunder
( 0% severe)
NW   9 45% 26°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 4 PM 44° 39° Mostly Cloudy WNW   8 53% 28°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 7 PM 37° 31° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WNW   8 75% 30°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 10 PM 34° 28° Mostly Cloudy WNW   7 89% 31°

PORTSMOUTH, NH extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
Low 32° Low 31° Low 30° Low 30° Low 33°
High 45° High 46° High 47° High 50° High 52°
PORTSMOUTH, NH 03803 weather forecast Day 3 PORTSMOUTH, NH 03803 weather forecast Day 4 PORTSMOUTH, NH 03803 weather forecast Day 5 PORTSMOUTH, NH 03803 weather forecast Day 6 PORTSMOUTH, NH 03803 weather forecast Day 7
Overcast
9% Rain/Snow
Mostly Cloudy
9% Rain/Snow
Clear
4% Rain/Snow
Clear
13% Rain
Partly Cloudy
22% Rain
SELECT BOX EXAMPLES:
for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:
Portsmouth, NH
Portsmouth, NH snow
Portsmouth, NH radar
NH map
-or-
-or-
-or-
 
03803
03803 snow
03803 radar
 
-or-
-or-
 
 
NH
NH snow
 
 
Copyright © 2026 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions