PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

9:55 AM EDT APR 23, 2026
Few Clouds
57°F
Feels Like: 53°F
Dewpoint: 39°F
Rel. Hum.: 51%
Visibility: 10 miles
Wind: WNW at 17 mph, gusts to 21
Pressure: 29.82 inches
Last 72 hours

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PORTSMOUTH, NH 03803
Weather Forecast

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Snow Depth pages
REST OF TODAY
Mostly sunny. Highs in the upper 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
TONIGHT
Mostly clear. Lows in the mid 30s. Northwest winds around 10 mph with gusts up to 25 mph in the evening, becoming light and variable.
FRIDAY
Partly sunny. Highs in the mid 50s. Light and variable winds.
FRIDAY NIGHT
Partly cloudy. Lows in the mid 30s. Light and variable winds.
SATURDAY
Partly sunny. Highs around 50. Light and variable winds.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s.
SUNDAY
Partly sunny. Highs in the mid 50s.
SUNDAY NIGHT
Partly cloudy. Lows around 40.
MONDAY
Partly sunny. Highs in the mid 50s.
MONDAY NIGHT
Partly cloudy. Lows around 40.
TUESDAY
Partly sunny. A chance of showers in the afternoon. Highs in the lower 50s. Chance of rain 40 percent.
TUESDAY NIGHT
Showers likely. Lows in the lower 40s. Chance of rain 60 percent.
WEDNESDAY
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  4/22/2026
Thursday
23 APR 2026
PORTSMOUTH, NH 03803 weather forecast Day 1, 0 hours 2 AM 42° 39° Mostly Cloudy 13%
RAIN
<.01 in
0% Thunder
( 5% severe)
SW   5 89% 39°
Low 40° PORTSMOUTH, NH 03803 weather forecast Day 1, 3 hours 5 AM 41° 39° Partly Cloudy SW   3 89% 38°
High 59° PORTSMOUTH, NH 03803 weather forecast Day 1, 6 hours 8 AM 44° 41° Partly Cloudy 4%

0% Thunder
( 3% severe)
W   5 82% 39°

Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 9 hours 11 AM 55° 52° Partly Cloudy NW   10 45% 34°
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 2 PM 58° 55° Partly Cloudy 1%

0% Thunder
( 0% severe)
NW   13 33% 29°
PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 5 PM 57° 54° Clear NW   12 30% 26°
PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 8 PM 50° 47° Clear 0%

0% Thunder
( 0% severe)
NNW   7 39% 26°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 11 PM 44° 41° Clear NNW   5 48% 26°
Friday
24 APR 2026
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 2 AM 40° 38° Clear 0%

0% Thunder
( 0% severe)
NNW   3 56% 26°
Low 35° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 5 AM 37° 33° Partly Cloudy NW   5 64% 26°
High 55° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 8 AM 40° 36° Partly Cloudy 1%

0% Thunder
( 0% severe)
NNW   6 59% 27°

Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 11 AM 49° 47° Partly Cloudy NNW   6 40% 26°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 2 PM 53° 51° Mostly Cloudy 1%

0% Thunder
( 0% severe)
NNW   7 35% 26°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 5 PM 52° 50° Mostly Cloudy ENE   6 37% 27°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 8 PM 46° 45° Mostly Cloudy 1%

0% Thunder
( 0% severe)
ESE   2 53% 30°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 11 PM 43° 42° Mostly Cloudy NE   2 60% 30°

PORTSMOUTH, NH extended weather forecast

Saturday
25 APR 2026
Sunday
26 APR 2026
Monday
27 APR 2026
Tuesday
28 APR 2026
Wednesday
29 APR 2026
Low 34° Low 36° Low 40° Low 42° Low 42°
High 51° High 56° High 58° High 60° High 56°
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/Snow
Partly Cloudy
11% Rain
Overcast
17% Rain
Mostly Cloudy
24% Rain
Overcast
62% Rain
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