PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


PORTSMOUTH, NH
Current Weather

1:55 PM EDT JUN 3, 2026
Clear
79°F
Feels Like: 79°F
Dewpoint: 45°F
Rel. Hum.: 30%
Visibility: 10 miles
Wind: SE at 9 mph
Pressure: 30.11 inches
Last 72 hours

Local Area Snow Depth

New Hampshire Current Weather

New Hampshire MOS Forecast Weather


Regional Weather Maps


(Automated weather data from NWS/FAA)
10-Day model forecast maps
2025 Hurricanes

PORTSMOUTH, NH 03803
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Mostly sunny. Highs around 80. Southeast winds around 10 mph.
TONIGHT
Clear. Lows in the upper 50s. Light and variable winds.
THURSDAY
Sunny, warm with highs in the mid 80s. Light and variable winds.
THURSDAY NIGHT
Mostly clear. Lows in the upper 50s. Light and variable winds.
FRIDAY
Partly sunny. Warm with highs in the mid 80s. Light and variable winds.
FRIDAY NIGHT
Partly cloudy. Lows in the lower 60s.
SATURDAY
Partly sunny. A chance of showers in the afternoon. Warm with highs in the upper 80s. Chance of rain 30 percent.
SATURDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 50 percent.
SUNDAY
Showers, cooler with highs in the mid 60s. Chance of rain 80 percent.
SUNDAY NIGHT
Showers likely in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 40s. Chance of rain 70 percent.
MONDAY
Partly sunny. Highs in the lower 60s.
MONDAY NIGHT
Partly cloudy. Lows around 50.
TUESDAY
Partly sunny. Highs in the upper 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  8:00 AM EDT  6/ 3/2026
Wednesday
3 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 2 PM 78° 79° Clear 1%

0% Thunder
( 0% severe)
SSE   6 37% 50°
High 79° PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 5 PM 75° 75° Clear S   9 45% 52°
Clear



PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 8 PM 67° 67° Clear 1%

0% Thunder
( 1% severe)
S   7 54% 50°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 11 PM 62° 62° Partly Cloudy SW   6 65% 50°
Thursday
4 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 2 AM 58° 58° Clear 1%

0% Thunder
( 0% severe)
W   5 75% 50°
Low 56° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 5 AM 56° 56° Clear W   3 80% 50°
High 87° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 8 AM 65° 65° Clear 0%

0% Thunder
( 0% severe)
  CALM 68% 54°

Clear



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 11 AM 80° 80° Clear W   3 42% 55°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 2 PM 85° 84° Clear 0%

0% Thunder
( 1% severe)
SW   7 35% 54°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 5 PM 82° 82° Clear S   8 44% 58°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 8 PM 73° 73° Partly Cloudy 0%

0% Thunder
( 1% severe)
S   3 57% 57°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 11 PM 66° 66° Partly Cloudy W   5 68% 55°
Friday
5 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 3, 0 hours 2 AM 63° 64° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   5 67% 52°
Low 60° PORTSMOUTH, NH 03803 weather forecast Day 3, 3 hours 5 AM 60° 60° Partly Cloudy W   6 72% 51°
High 88° PORTSMOUTH, NH 03803 weather forecast Day 3, 6 hours 8 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   5 63% 55°

Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 3, 9 hours 11 AM 82° 81° Mostly Cloudy W   5 40% 55°
PORTSMOUTH, NH 03803 weather forecast Day 3, 15 hours 2 PM 86° 84° Mostly Cloudy 0%

0% Thunder
( 2% severe)
W   6 34% 54°
PORTSMOUTH, NH 03803 weather forecast Day 3, 18 hours 5 PM 83° 82° Mostly Cloudy WSW   7 41% 57°
PORTSMOUTH, NH 03803 weather forecast Day 3, 21 hours 8 PM 74° 74° Partly Cloudy     SW   3 55% 57°

PORTSMOUTH, NH extended weather forecast

Saturday
6 JUN 2026
Sunday
7 JUN 2026
Monday
8 JUN 2026
Tuesday
9 JUN 2026
Wednesday
10 JUN 2026
Low 62° Low 62° Low 51° Low 50° Low 58°
High 88° High 69° High 59° High 67° High 77°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
17% Rain
Overcast
69% Rain
Overcast
68% Rain
Overcast
42% Rain
Overcast
50% Rain
WEATHER 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 © 2024 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions