PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


PORTSMOUTH, NH
Current Weather

4:55 PM EDT OCT 3, 2025
Few Clouds
70°F
Feels Like: 70°F
Dewpoint: 45°F
Rel. Hum.: 41%
Visibility: 10 miles
Wind: WSW at 6 mph
Pressure: 30.14 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
TONIGHT
Mostly clear. Lows around 50. Light and variable winds.
SATURDAY
Mostly sunny. Highs in the upper 70s. Light and variable winds.
SATURDAY NIGHT
Mostly clear. Lows in the mid 50s. Light and variable winds.
SUNDAY
Mostly sunny. Highs in the mid 70s. Light and variable winds.
SUNDAY NIGHT
Mostly clear. Lows in the mid 50s.
MONDAY
Mostly sunny. Highs around 80.
MONDAY NIGHT
Mostly clear. Lows in the upper 50s.
TUESDAY
Partly sunny. Highs around 80.
TUESDAY NIGHT
Partly cloudy with a chance of showers in the evening, then showers likely after midnight. Lows in the mid 50s. Chance of rain 70 percent.
WEDNESDAY
Showers likely. Highs in the upper 60s. Chance of rain 70 percent.
WEDNESDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the lower 40s. Chance of rain 40 percent.
THURSDAY
Mostly sunny. Highs around 60.

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 10/ 3/2025
Friday
3 OCT 2025
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 2 PM 72° 72° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   9 38% 45°
High 73° PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 5 PM 71° 71° Clear WSW   8 42% 47°
Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 8 PM 61° 60° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   7 67% 50°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 11 PM 58° 57° Clear WSW   6 75% 50°
Saturday
4 OCT 2025
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 2 AM 55° 54° Clear 2%

0% Thunder
( 0% severe)
W   5 80% 49°
Low 51° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 5 AM 53° 52° Clear W   5 83% 48°
High 81° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 8 AM 55° 55° Clear 2%

0% Thunder
( 1% severe)
W   3 83% 50°

Clear



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 11 AM 73° 73° Clear W   2 48% 52°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 2 PM 79° 79° Clear 1%

0% Thunder
( 0% severe)
SSW   5 38% 51°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 5 PM 76° 78° Clear S   5 46% 54°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 8 PM 65° 65° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   2 73% 56°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 11 PM 62° 63° Partly Cloudy NNW   1 78% 55°
Sunday
5 OCT 2025
PORTSMOUTH, NH 03803 weather forecast Day 3, 0 hours 2 AM 59° 60° Partly Cloudy 0%

0% Thunder
( 0% severe)
N   1 87% 55°
Low 55° PORTSMOUTH, NH 03803 weather forecast Day 3, 3 hours 5 AM 57° 58° Partly Cloudy N   2 90% 54°
High 78° PORTSMOUTH, NH 03803 weather forecast Day 3, 6 hours 8 AM 59° 60° Clear 0%

0% Thunder
( 1% severe)
NNE   3 90% 56°

Clear



PORTSMOUTH, NH 03803 weather forecast Day 3, 9 hours 11 AM 72° 72° Clear E   2 59% 57°
PORTSMOUTH, NH 03803 weather forecast Day 3, 15 hours 2 PM 76° 78° Clear 0%

0% Thunder
( 1% severe)
SE   6 50% 56°
PORTSMOUTH, NH 03803 weather forecast Day 3, 18 hours 5 PM 73° 73° Clear SSE   7 57% 57°
PORTSMOUTH, NH 03803 weather forecast Day 3, 21 hours 8 PM 64° 65° Clear     S   5 81% 58°

PORTSMOUTH, NH extended weather forecast

Monday
6 OCT 2025
Tuesday
7 OCT 2025
Wednesday
8 OCT 2025
Thursday
9 OCT 2025
Friday
10 OCT 2025
Low 53° Low 53° Low 57° Low 46° Low 39°
High 82° High 79° High 69° High 58° High 58°
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
Clear
12% Rain
Partly Cloudy
27% Rain
Overcast
80% Rain
Partly Cloudy
20% Rain
Partly Cloudy
13% 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