PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

6:55 PM EDT JUN 7, 2026
Overcast
66°F
Feels Like: 66°F
Dewpoint: 63°F
Rel. Hum.: 90%
Visibility: 7 miles
Wind: ENE at 6 mph
Pressure: 29.84 inches
Last 72 hours

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PORTSMOUTH, NH 03803
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy with numerous showers with isolated thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 50s. North winds around 10 mph with gusts up to 20 mph in the evening, becoming light and variable. Chance of rain 70 percent.
MONDAY
Mostly sunny. Highs in the mid 70s. Light and variable winds.
MONDAY NIGHT
Clear. Lows in the mid 50s. Light and variable winds.
TUESDAY
Mostly sunny. Highs in the mid 80s. Light and variable winds.
TUESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
WEDNESDAY
Partly sunny in the morning, then becoming mostly cloudy. Warm with highs in the upper 80s.
WEDNESDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40 percent.
THURSDAY
Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 40 percent.
THURSDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows around 60. Chance of rain 30 percent.
FRIDAY
Partly sunny. A chance of showers in the afternoon. Highs around 80. Chance of rain 30 percent.
FRIDAY NIGHT
Partly cloudy. Lows in the lower 60s.
SATURDAY
Partly sunny. Warm with highs in the mid 80s.

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 AM EDT  6/ 7/2026
Sunday
7 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 2 PM 77° 79° Mostly Cloudy 85%
RAIN
***
0% Thunder
( 16% severe)
WNW   13 58% 61°
High 78° PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 5 PM 72° 72° Mostly Cloudy NNW   10 79% 65°
Mostly Cloudy

Rain Likely

PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 8 PM 66° 66° Mostly Cloudy 7%

0% Thunder
( 4% severe)
N   10 84% 61°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 11 PM 61° 60° Partly Cloudy N   8 81% 55°
Monday
8 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 2 AM 56° 54° Clear 0%

0% Thunder
( 0% severe)
N   7 80% 50°
Low 53° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 5 AM 53° 51° Clear NNW   7 80% 47°
High 77° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 8 AM 60° 59° Clear 0%

0% Thunder
( 0% severe)
N   8 64% 48°

Clear



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 11 AM 70° 70° Clear NNE   6 44% 47°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 2 PM 75° 75° Partly Cloudy 1%

0% Thunder
( 1% severe)
ENE   6 38% 48°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 5 PM 75° 75° Clear S   7 41% 50°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 8 PM 68° 68° Clear 0%

0% Thunder
( 1% severe)
SSW   5 57% 52°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 11 PM 62° 62° Clear WSW   5 65% 50°
Tuesday
9 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 3, 0 hours 2 AM 58° 58° Clear 0%

0% Thunder
( 0% severe)
WSW   5 69% 48°
Low 55° PORTSMOUTH, NH 03803 weather forecast Day 3, 3 hours 5 AM 55° 54° Clear W   5 77% 48°
High 86° PORTSMOUTH, NH 03803 weather forecast Day 3, 6 hours 8 AM 64° 65° Clear 0%

0% Thunder
( 0% severe)
W   3 65% 52°

Clear



PORTSMOUTH, NH 03803 weather forecast Day 3, 9 hours 11 AM 78° 79° Clear W   5 43% 54°
PORTSMOUTH, NH 03803 weather forecast Day 3, 15 hours 2 PM 84° 83° Clear 0%

0% Thunder
( 1% severe)
WSW   7 36% 54°
PORTSMOUTH, NH 03803 weather forecast Day 3, 18 hours 5 PM 82° 82° Clear SW   8 44% 58°
PORTSMOUTH, NH 03803 weather forecast Day 3, 21 hours 8 PM 73° 73° Partly Cloudy     S   5 55% 56°

PORTSMOUTH, NH extended weather forecast

Wednesday
10 JUN 2026
Thursday
11 JUN 2026
Friday
12 JUN 2026
Saturday
13 JUN 2026
Sunday
14 JUN 2026
Low 63° Low 62° Low 62° Low 61° Low 64°
High 85° High 78° High 77° High 81° High 80°
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
56% Rain
Overcast
67% Rain
Overcast
42% Rain
Overcast
57% Rain
Overcast
40% Rain
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