PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

1:55 PM EDT JUN 4, 2026
Few Clouds
86°F
Feels Like: 85°F
Dewpoint: 55°F
Rel. Hum.: 35%
Visibility: 10 miles
Wind: ESE at 5 mph
Pressure: 29.99 inches
Last 72 hours

Local Area Snow Depth

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PORTSMOUTH, NH 03803
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Mostly sunny. Warm with highs in the mid 80s. Light and variable winds.
TONIGHT
Partly cloudy. Lows in the upper 50s. Light and variable winds.
FRIDAY
Partly sunny. Warm with highs in the mid 80s. Light and variable winds.
FRIDAY NIGHT
Partly cloudy. Lows in the upper 50s. Light and variable winds.
SATURDAY
Partly sunny. Warm with highs in the mid 80s. Light and variable winds, becoming south around 10 mph in the afternoon.
SATURDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. Lows in the lower 60s. Chance of rain 40 percent.
SUNDAY
Partly sunny with a chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 80 percent.
SUNDAY NIGHT
Showers with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows in the lower 50s. Chance of rain 80 percent.
MONDAY
Partly sunny. Highs in the mid 60s.
MONDAY NIGHT
Mostly clear. Lows in the lower 50s.
TUESDAY
Mostly sunny. Highs in the lower 70s.
TUESDAY NIGHT
Mostly clear. Lows in the mid 50s.
WEDNESDAY
Mostly sunny. Highs in the upper 70s.

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/ 4/2026
Thursday
4 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 2 PM 86° 84° Clear 0%

0% Thunder
( 0% severe)
SSW   8 34% 54°
High 87° PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 5 PM 83° 83° Partly Cloudy S   7 44% 59°
Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 8 PM 75° 75° Partly Cloudy 0%

0% Thunder
( 1% severe)
WSW   5 55% 58°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 11 PM 68° 68° Partly Cloudy WSW   5 63% 55°
Friday
5 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 2 AM 63° 64° Partly Cloudy 1%

0% Thunder
( 0% severe)
W   5 67% 52°
Low 60° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 5 AM 60° 60° Partly Cloudy W   5 72% 51°
High 89° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 8 AM 68° 68° Partly Cloudy 1%

0% Thunder
( 0% severe)
WNW   3 63% 55°

Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 11 AM 82° 81° Mostly Cloudy WNW   2 40% 55°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 2 PM 86° 84° Mostly Cloudy 1%

0% Thunder
( 1% severe)
W   6 34% 54°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 5 PM 82° 82° Mostly Cloudy WNW   8 43% 57°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 8 PM 72° 72° Partly Cloudy 0%

0% Thunder
( 1% severe)
SSE   5 55% 55°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 11 PM 66° 66° Mostly Cloudy   CALM 65% 54°
Saturday
6 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 3, 0 hours 2 AM 64° 66° Mostly Cloudy 0%

0% Thunder
( 1% severe)
  CALM 70% 54°
Low 62° PORTSMOUTH, NH 03803 weather forecast Day 3, 3 hours 5 AM 62° 63° Mostly Cloudy SW   1 75% 54°
High 88° PORTSMOUTH, NH 03803 weather forecast Day 3, 6 hours 8 AM 68° 68° Mostly Cloudy 3%

0% Thunder
( 2% severe)
  CALM 68% 57°

Mostly Cloudy

Chance of Rain

PORTSMOUTH, NH 03803 weather forecast Day 3, 9 hours 11 AM 80° 81° Mostly Cloudy S   7 49% 59°
PORTSMOUTH, NH 03803 weather forecast Day 3, 15 hours 2 PM 84° 84° Mostly Cloudy 30%
RAIN
.1–.25 in
0% Thunder
( 20% severe)
S   9 44% 60°
PORTSMOUTH, NH 03803 weather forecast Day 3, 18 hours 5 PM 83° 84° Mostly Cloudy SW   9 53% 64°
PORTSMOUTH, NH 03803 weather forecast Day 3, 21 hours 8 PM 77° 79° Mostly Cloudy     WSW   7 62% 63°

PORTSMOUTH, NH extended weather forecast

Sunday
7 JUN 2026
Monday
8 JUN 2026
Tuesday
9 JUN 2026
Wednesday
10 JUN 2026
Thursday
11 JUN 2026
Low 64° Low 54° Low 53° Low 56° Low 57°
High 73° High 71° High 71° High 73° High 74°
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
Overcast
69% Rain
Partly Cloudy
32% Rain
Clear
5% Rain
Partly Cloudy
17% Rain
Partly Cloudy
32% Rain
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