PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

10:55 AM EDT APR 24, 2026
Few Clouds
50°F
Feels Like: 47°F
Dewpoint: 25°F
Rel. Hum.: 37%
Visibility: 10 miles
Wind: NNW at 7 mph
Pressure: 29.83 inches
Last 72 hours

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PORTSMOUTH, NH 03803
Weather Forecast

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Snow Depth pages
TODAY
Sunny this morning, then becoming partly sunny. Highs in the lower 50s. Light and variable winds.
TONIGHT
Mostly cloudy in the evening, then clearing. Lows in the lower 30s. Light and variable winds.
SATURDAY
Partly sunny. Highs around 50. Light and variable winds.
SATURDAY NIGHT
Mostly cloudy. Lows in the mid 30s. Light and variable winds.
SUNDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 50s. Light and variable winds.
SUNDAY NIGHT
Partly cloudy. Lows in the upper 30s.
MONDAY
Partly sunny. Highs in the lower 50s.
MONDAY NIGHT
Partly cloudy. Lows in the upper 30s.
TUESDAY
Partly sunny. Highs in the lower 50s.
TUESDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows in the lower 40s.
WEDNESDAY
Cloudy with a 50 percent chance of showers. Highs in the lower 50s.
WEDNESDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the lower 40s.
THURSDAY
Mostly cloudy with a 50 percent chance of showers. Highs in the lower 50s.

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 PM EDT  4/23/2026
Friday
24 APR 2026
PORTSMOUTH, NH 03803 weather forecast Day 1, 0 hours 2 AM 39° 37° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   3 56% 25°
Low 35° PORTSMOUTH, NH 03803 weather forecast Day 1, 3 hours 5 AM 36° 32° Clear NW   5 63% 25°
High 54° PORTSMOUTH, NH 03803 weather forecast Day 1, 6 hours 8 AM 40° 36° Clear 0%

0% Thunder
( 0% severe)
NNW   6 54% 25°

Increasing Clouds



PORTSMOUTH, NH 03803 weather forecast Day 1, 9 hours 11 AM 49° 47° Partly Cloudy NNW   6 35% 23°
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 2 PM 52° 50° Mostly Cloudy 1%

0% Thunder
( 0% severe)
N   7 31% 23°
PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 5 PM 50° 48° Mostly Cloudy E   6 37% 25°
PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 8 PM 45° 44° Mostly Cloudy 0%

0% Thunder
( 0% severe)
ESE   1 51% 28°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 11 PM 42° 41° Mostly Cloudy NNE   1 60% 29°
Saturday
25 APR 2026
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 2 AM 38° 36° Partly Cloudy 0%

0% Thunder
( 0% severe)
N   1 67% 28°
Low 33° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 5 AM 35° 32° Partly Cloudy N   3 72% 27°
High 52° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 8 AM 40° 38° Partly Cloudy 1%

0% Thunder
( 0% severe)
NNE   3 64% 29°

Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 11 AM 48° 47° Partly Cloudy ENE   3 45% 28°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 2 PM 50° 48° Partly Cloudy 1%

0% Thunder
( 0% severe)
ESE   6 42% 28°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 5 PM 49° 47° Mostly Cloudy SSE   6 44% 28°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 8 PM 44° 43° Mostly Cloudy 2%

0% Thunder
( 0% severe)
S   2 55% 29°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 11 PM 42° 41° Mostly Cloudy SW   1 62% 30°

PORTSMOUTH, NH extended weather forecast

Sunday
26 APR 2026
Monday
27 APR 2026
Tuesday
28 APR 2026
Wednesday
29 APR 2026
Thursday
30 APR 2026
Low 35° Low 39° Low 38° Low 38° Low 44°
High 56° High 60° High 55° High 56° High 58°
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
Partly Cloudy
3% Rain
Partly Cloudy
6% Rain
Partly Cloudy
11% Rain
Overcast
39% Rain
Mostly Cloudy
75% Rain
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