PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

6:55 PM EST NOV 19, 2025
Few Clouds
36°F
Feels Like: 36°F
Dewpoint: 25°F
Rel. Hum.: 63%
Visibility: 10 miles
Wind: Calm
Pressure: 30.21 inches
Last 72 hours

Local Area Snow Depth

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PORTSMOUTH, NH 03803
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear. Lows in the lower 20s. Light and variable winds.
THURSDAY
Partly sunny. Highs in the mid 40s. Light and variable winds.
THURSDAY NIGHT
Partly cloudy. Lows in the upper 20s. Light and variable winds.
FRIDAY
Partly sunny. Highs in the upper 40s. Light and variable winds, becoming southwest around 10 mph in the afternoon.
FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A 40 percent chance of showers. Lows in the mid 30s. Light and variable winds.
SATURDAY
Partly sunny. A chance of showers in the morning. Highs in the upper 40s. Chance of rain 30 percent.
SATURDAY NIGHT
Mostly clear. Lows in the mid 20s.
SUNDAY
Mostly sunny. Highs in the mid 40s.
SUNDAY NIGHT
Partly cloudy. Lows in the lower 30s.
MONDAY
Partly sunny. Highs in the lower 50s.
MONDAY NIGHT
Partly cloudy. Lows in the lower 30s.
TUESDAY
Partly sunny. Highs around 50.
TUESDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the mid 30s. Chance of rain 30 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 11/19/2025
Wednesday
19 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 1 PM 45° 42° Clear 0%

0% Thunder
( 0% severe)
WNW   6 39% 22°
High 46° PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 4 PM 42° 39° Clear WNW   5 44% 22°
Clear



PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 7 PM 34° 32° Clear 0%

0% Thunder
( 0% severe)
NW   2 63% 23°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 10 PM 32° 29° Clear NNW   1 71% 24°
Thursday
20 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 1 AM 30° 27° Clear 1%

0% Thunder
( 0% severe)
NNW   1 77% 24°
Low 27° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 4 AM 29° 26° Partly Cloudy N   2 77% 23°
High 46° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 7 AM 30° 26° Mostly Cloudy 1%

0% Thunder
( 0% severe)
N   3 77% 24°

Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 10 AM 40° 38° Partly Cloudy N   2 56% 26°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 1 PM 45° 44° Partly Cloudy 2%

0% Thunder
( 0% severe)
ENE   2 49% 27°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 4 PM 42° 41° Partly Cloudy E   1 60% 29°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 7 PM 36° 34° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 79% 30°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 10 PM 35° 33° Partly Cloudy   CALM 78% 29°
Friday
21 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 3, 0 hours 1 AM 32° 29° Partly Cloudy 1%

0% Thunder
( 0% severe)
  CALM 88% 29°
Low 29° PORTSMOUTH, NH 03803 weather forecast Day 3, 3 hours 4 AM 31° 28° Mostly Cloudy WSW   1 84% 27°
High 50° PORTSMOUTH, NH 03803 weather forecast Day 3, 6 hours 7 AM 31° 28° Partly Cloudy 5%

0% Thunder
( 0% severe)
SW   2 84% 27°

Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 3, 9 hours 10 AM 42° 38° Partly Cloudy SSW   7 62% 30°
PORTSMOUTH, NH 03803 weather forecast Day 3, 15 hours 1 PM 47° 42° Mostly Cloudy 12%
RAIN
<.01 in
0% Thunder
( 0% severe)
SSW   10 56% 32°
PORTSMOUTH, NH 03803 weather forecast Day 3, 18 hours 4 PM 47° 43° Mostly Cloudy SSW   9 65% 36°
PORTSMOUTH, NH 03803 weather forecast Day 3, 21 hours 7 PM 43° 39° Mostly Cloudy     SW   7 86% 39°

PORTSMOUTH, NH extended weather forecast

Saturday
22 NOV 2025
Sunday
23 NOV 2025
Monday
24 NOV 2025
Tuesday
25 NOV 2025
Wednesday
26 NOV 2025
Low 38° Low 28° Low 32° Low 33° Low 35°
High 47° High 46° High 51° High 49° High 47°
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
Overcast
80% Rain
Clear
8% Rain/Snow
Partly Cloudy
18% Rain
Partly Cloudy
23% Rain
Overcast
49% Rain
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