PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

4:55 PM EST DEC 5, 2025
Broken Clouds
19°F
Feels Like: 19°F
Dewpoint: 0°F
Rel. Hum.: 38%
Visibility: 10 miles
Wind: Calm
Pressure: 30.12 inches
Last 72 hours

Local Area Snow Depth

New Hampshire Current Weather

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PORTSMOUTH, NH 03803
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 15. Light and variable winds.
SATURDAY
Cloudy with a 20 percent chance of snow. Highs in the upper 30s. Light and variable winds.
SATURDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the lower 20s. Light and variable winds.
SUNDAY
Partly sunny in the morning, then becoming mostly cloudy. Highs in the mid 30s. Light and variable winds.
SUNDAY NIGHT
Mostly cloudy with a 50 percent chance of snow. Lows around 20.
MONDAY
Mostly sunny. Highs in the mid 20s.
MONDAY NIGHT
Mostly clear. Lows around 10 above.
TUESDAY
Partly sunny. Highs around 30.
TUESDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A 30 percent chance of snow showers. Lows in the lower 20s.
WEDNESDAY
Mostly cloudy. A chance of rain in the afternoon. Highs in the lower 40s. Chance of rain 30 percent.
WEDNESDAY NIGHT
Rain likely. Snow likely after midnight. Lows around 30. Chance of precipitation 60 percent.
THURSDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of rain. Highs around 40. Chance of rain 50 percent.

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 AM EST 12/ 5/2025
Friday
5 DEC 2025
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 1 PM 23° 16° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   6 33%
High 24° PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 4 PM 22° 15° Partly Cloudy SW   6 40%
Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 7 PM 18° 13° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   3 54%
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 10 PM 18° 13° Partly Cloudy WSW   2 60%
Saturday
6 DEC 2025
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 1 AM 17° 12° Partly Cloudy 15%
SNOW
<.1 in
0% Thunder
( 0% severe)
W   1 70% 10°
Low 16° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 4 AM 19° 15° Mostly Cloudy WNW   1 74% 13°
High 38° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 7 AM 21° 17° Mostly Cloudy 26%
SNOW
<.1 in
0% Thunder
( 0% severe)
NW   1 83% 17°

Overcast

Chance of Snow

PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 10 AM 30° 27° Overcast W   2 74% 23°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 1 PM 35° 30° Overcast 16%
SNOW
<.1 in
0% Thunder
( 1% severe)
SW   6 72% 27°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 4 PM 35° 30° Mostly Cloudy SW   6 78% 29°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 7 PM 32° 27° Mostly Cloudy 2%

0% Thunder
( 0% severe)
W   5 88% 29°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 10 PM 30° 24° Partly Cloudy W   6 88% 27°
Sunday
7 DEC 2025
PORTSMOUTH, NH 03803 weather forecast Day 3, 0 hours 1 AM 28° 22° Clear 0%

0% Thunder
( 0% severe)
W   6 84% 24°
Low 24° PORTSMOUTH, NH 03803 weather forecast Day 3, 3 hours 4 AM 27° 20° Partly Cloudy W   7 80% 22°
High 35° PORTSMOUTH, NH 03803 weather forecast Day 3, 6 hours 7 AM 25° 17° Partly Cloudy 0%

0% Thunder
( 0% severe)
WNW   7 79% 20°

Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 3, 9 hours 10 AM 31° 24° Partly Cloudy NW   7 56% 18°
PORTSMOUTH, NH 03803 weather forecast Day 3, 15 hours 1 PM 34° 29° Mostly Cloudy 3%

0% Thunder
( 0% severe)
NW   6 43% 15°
PORTSMOUTH, NH 03803 weather forecast Day 3, 18 hours 4 PM 31° 26° Mostly Cloudy NW   5 46% 14°
PORTSMOUTH, NH 03803 weather forecast Day 3, 21 hours 7 PM 26° 22° Mostly Cloudy     NNW   3 63% 16°

PORTSMOUTH, NH extended weather forecast

Monday
8 DEC 2025
Tuesday
9 DEC 2025
Wednesday
10 DEC 2025
Thursday
11 DEC 2025
Friday
12 DEC 2025
Low 19° Low 7° Low 22° Low 34° Low 31°
High 26° High 27° High 41° High 44° High 38°
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
72% Snow
Partly Cloudy
8% Snow
Mostly Cloudy
23% Rain/Snow
Overcast
51% Rain/Snow
Overcast
49% Rain/Snow
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