PORTSMOUTH, NH 03804 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

1:55 PM EDT AUG 21, 2025
Scattered Clouds
72°F
Feels Like: 72°F
Dewpoint: 55°F
Rel. Hum.: 55%
Visibility: 10 miles
Wind: E at 6 mph
Pressure: 30.07 inches
Last 72 hours

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PORTSMOUTH, NH 03804
Weather Forecast

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REST OF TODAY
Partly sunny. Highs around 70. East winds around 10 mph with gusts up to 25 mph.
TONIGHT
Partly cloudy. Lows in the mid 50s. Northeast winds around 10 mph with gusts up to 20 mph.
FRIDAY
Mostly sunny. Highs in the lower 80s. North winds around 10 mph, becoming east in the afternoon.
FRIDAY NIGHT
Mostly clear. Lows in the upper 50s. Light and variable winds.
SATURDAY
Mostly sunny. Highs in the mid 80s. Light and variable winds, becoming south around 10 mph with gusts up to 20 mph in the afternoon.
SATURDAY NIGHT
Partly cloudy. Lows in the lower 60s.
SUNDAY
Partly sunny. Highs in the lower 80s.
SUNDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of rain 40 percent.
MONDAY
A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 70s. Chance of rain 70 percent.
MONDAY NIGHT
Showers likely, mainly in the evening. Lows in the upper 50s. Chance of rain 60 percent.
TUESDAY
Mostly sunny. Highs in the upper 70s.
TUESDAY NIGHT
Mostly clear. Lows in the mid 50s.
WEDNESDAY
Mostly sunny. Highs in the mid 70s.

Visible Weather Satellite
PORTSMOUTH, NH 03804
Infrared Weather Satellite
PORTSMOUTH, NH 03804
NEXRAD Weather Radar
PORTSMOUTH, NH 03804

PORTSMOUTH, NH 3 hourly weather forecast

weather forecast created  8:00 AM EDT  8/21/2025
Thursday
21 AUG 2025
PORTSMOUTH, NH 03804 weather forecast Day 1, 12 hours 2 PM 72° 72° Clear 1%

0% Thunder
( 0% severe)
E   13 51% 53°
High 73° PORTSMOUTH, NH 03804 weather forecast Day 1, 15 hours 5 PM 69° 69° Partly Cloudy ENE   13 55% 52°
Partly Cloudy



PORTSMOUTH, NH 03804 weather forecast Day 1, 18 hours 8 PM 63° 63° Mostly Cloudy 0%

0% Thunder
( 0% severe)
ENE   8 72% 54°
PORTSMOUTH, NH 03804 weather forecast Day 1, 21 hours 11 PM 59° 58° Partly Cloudy NNE   8 80% 53°
Friday
22 AUG 2025
PORTSMOUTH, NH 03804 weather forecast Day 2, 0 hours 2 AM 56° 54° Partly Cloudy 0%

0% Thunder
( 0% severe)
N   8 83% 51°
Low 54° PORTSMOUTH, NH 03804 weather forecast Day 2, 3 hours 5 AM 56° 54° Partly Cloudy N   9 77% 49°
High 82° PORTSMOUTH, NH 03804 weather forecast Day 2, 6 hours 8 AM 63° 62° Clear 0%

0% Thunder
( 0% severe)
N   9 62% 50°

Clear



PORTSMOUTH, NH 03804 weather forecast Day 2, 9 hours 11 AM 76° 78° Clear NNE   10 42% 51°
PORTSMOUTH, NH 03804 weather forecast Day 2, 12 hours 2 PM 81° 80° Clear 0%

0% Thunder
( 1% severe)
NE   8 35% 51°
PORTSMOUTH, NH 03804 weather forecast Day 2, 15 hours 5 PM 79° 79° Clear ESE   8 39% 52°
PORTSMOUTH, NH 03804 weather forecast Day 2, 18 hours 8 PM 69° 69° Clear 0%

0% Thunder
( 1% severe)
S   3 59% 54°
PORTSMOUTH, NH 03804 weather forecast Day 2, 21 hours 11 PM 66° 66° Partly Cloudy SSW   2 68% 55°
Saturday
23 AUG 2025
PORTSMOUTH, NH 03804 weather forecast Day 3, 0 hours 2 AM 62° 63° Clear 0%

0% Thunder
( 0% severe)
SW   2 78% 55°
Low 58° PORTSMOUTH, NH 03804 weather forecast Day 3, 3 hours 5 AM 60° 61° Clear SW   2 87% 56°
High 85° PORTSMOUTH, NH 03804 weather forecast Day 3, 6 hours 8 AM 66° 66° Clear 0%

0% Thunder
( 0% severe)
SW   2 73% 57°

Clear



PORTSMOUTH, NH 03804 weather forecast Day 3, 9 hours 11 AM 80° 80° Clear SSW   6 45% 57°
PORTSMOUTH, NH 03804 weather forecast Day 3, 15 hours 2 PM 84° 83° Clear 0%

0% Thunder
( 2% severe)
S   10 40% 57°
PORTSMOUTH, NH 03804 weather forecast Day 3, 18 hours 5 PM 81° 81° Partly Cloudy S   13 44% 57°
PORTSMOUTH, NH 03804 weather forecast Day 3, 21 hours 8 PM 74° 74° Partly Cloudy     S   10 59% 59°

PORTSMOUTH, NH extended weather forecast

Sunday
24 AUG 2025
Monday
25 AUG 2025
Tuesday
26 AUG 2025
Wednesday
27 AUG 2025
Thursday
28 AUG 2025
Low 63° Low 64° Low 59° Low 55° Low 54°
High 77° High 76° High 78° High 74° High 75°
PORTSMOUTH, NH 03804 weather forecast Day 4 PORTSMOUTH, NH 03804 weather forecast Day 5 PORTSMOUTH, NH 03804 weather forecast Day 6 PORTSMOUTH, NH 03804 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
22% Rain
Overcast
71% Rain
Partly Cloudy
41% Rain
Partly Cloudy
27% Rain
Partly Cloudy
28% Rain
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