PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

1:55 PM EDT JUN 1, 2026
Few Clouds
59°F
Feels Like: 58°F
Dewpoint: 45°F
Rel. Hum.: 60%
Visibility: 10 miles
Wind: E at 8 mph
Pressure: 30.09 inches
Last 72 hours

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PORTSMOUTH, NH 03803
Weather Forecast

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TODAY
Mostly cloudy with isolated showers this morning, then mostly sunny this afternoon. Highs around 60. Northeast winds around 10 mph with gusts up to 20 mph, becoming east this afternoon. Chance of rain 20 percent.
TONIGHT
Mostly clear. Lows in the mid 40s. Light and variable winds.
TUESDAY
Partly sunny. Isolated showers in the afternoon. Highs in the lower 70s. Light and variable winds. Chance of rain 20 percent.
TUESDAY NIGHT
Partly cloudy. Lows around 50. Light and variable winds.
WEDNESDAY
Mostly sunny. Highs in the mid 70s. Light and variable winds.
WEDNESDAY NIGHT
Mostly clear. Lows in the mid 50s.
THURSDAY
Mostly sunny. Highs in the lower 80s.
THURSDAY NIGHT
Mostly clear. Lows in the upper 50s.
FRIDAY
Partly sunny. Highs in the mid 80s.
FRIDAY NIGHT
Partly cloudy. Lows around 60.
SATURDAY
Partly sunny. Highs in the upper 70s.
SATURDAY NIGHT
Partly cloudy. Lows in the upper 50s.
SUNDAY
Partly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 40 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  8:00 AM EDT  6/ 1/2026
Monday
1 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 2 PM 59° 58° Clear 1%

0% Thunder
( 1% severe)
E   7 53% 42°
High 60° PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 5 PM 59° 58° Clear SE   7 53% 42°
Clear



PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 8 PM 53° 53° Clear 2%

0% Thunder
( 1% severe)
S   2 69% 43°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 11 PM 48° 47° Clear SW   1 77% 41°
Tuesday
2 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 2 AM 46° 45° Clear 1%

0% Thunder
( 0% severe)
WSW   3 79% 40°
Low 44° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 5 AM 44° 42° Clear WSW   3 89% 41°
High 74° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 8 AM 55° 55° Partly Cloudy 2%

0% Thunder
( 1% severe)
  CALM 72% 46°

Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 11 AM 69° 69° Partly Cloudy WNW   3 44% 46°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 2 PM 72° 72° Partly Cloudy 8%

0% Thunder
( 2% severe)
WNW   6 38% 45°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 5 PM 70° 70° Partly Cloudy NNW   7 44% 47°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 8 PM 63° 64° Partly Cloudy 1%

0% Thunder
( 1% severe)
NW   3 58% 48°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 11 PM 57° 57° Partly Cloudy NNW   3 67% 46°
Wednesday
3 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 3, 0 hours 2 AM 53° 53° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   3 71% 44°
Low 50° PORTSMOUTH, NH 03803 weather forecast Day 3, 3 hours 5 AM 50° 49° Partly Cloudy NW   3 77% 43°
High 75° PORTSMOUTH, NH 03803 weather forecast Day 3, 6 hours 8 AM 59° 60° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 67% 48°

Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 3, 9 hours 11 AM 70° 70° Partly Cloudy   CALM 44% 47°
PORTSMOUTH, NH 03803 weather forecast Day 3, 15 hours 2 PM 73° 73° Partly Cloudy 0%

0% Thunder
( 1% severe)
SSE   7 41% 48°
PORTSMOUTH, NH 03803 weather forecast Day 3, 18 hours 5 PM 70° 70° Clear SSE   9 47% 49°
PORTSMOUTH, NH 03803 weather forecast Day 3, 21 hours 8 PM 63° 63° Clear     S   7 56% 47°

PORTSMOUTH, NH extended weather forecast

Thursday
4 JUN 2026
Friday
5 JUN 2026
Saturday
6 JUN 2026
Sunday
7 JUN 2026
Monday
8 JUN 2026
Low 56° Low 58° Low 62° Low 60° Low 50°
High 84° High 82° High 82° High 64° High 65°
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
Clear
4% Rain
Partly Cloudy
9% Rain
Overcast
27% Rain
Overcast
42% Rain
Overcast
48% Rain
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