PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

9:55 PM EDT JUN 8, 2026
Broken Clouds
64°F
Feels Like: 64°F
Dewpoint: 45°F
Rel. Hum.: 50%
Visibility: 10 miles
Wind: S at 9 mph
Pressure: 30.17 inches
Last 72 hours

Local Area Snow Depth

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PORTSMOUTH, NH 03803
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear. Lows in the mid 50s. Light and variable winds.
TUESDAY
Mostly sunny. Warm with highs in the mid 80s. Light and variable winds.
TUESDAY NIGHT
Partly cloudy. Lows in the lower 60s. Light and variable winds.
WEDNESDAY
Partly sunny. A chance of showers in the afternoon. Warm with highs in the mid 80s. Light and variable winds, becoming southwest around 10 mph in the afternoon. Chance of rain 40 percent.
WEDNESDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 50 percent.
THURSDAY
Mostly cloudy with a chance of showers in the morning, then showers likely in the afternoon. Warm with highs in the mid 80s. Chance of rain 60 percent.
THURSDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the lower 60s. Chance of rain 50 percent.
FRIDAY
Partly sunny. Highs in the upper 70s.
FRIDAY NIGHT
Partly cloudy with a chance of showers. Lows around 60. Chance of rain 30 percent.
SATURDAY
Partly sunny. A chance of showers in the morning. Highs around 80. Chance of rain 30 percent.
SATURDAY NIGHT
Partly cloudy. Lows around 60.
SUNDAY
Partly sunny. Highs in the lower 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/ 8/2026
Monday
8 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 2 PM 77° 78° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   5 39% 50°
High 78° PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 5 PM 77° 78° Clear S   8 40% 51°
Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 8 PM 70° 70° Partly Cloudy 0%

0% Thunder
( 1% severe)
S   6 55% 53°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 11 PM 63° 63° Clear SW   6 67% 52°
Tuesday
9 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 2 AM 59° 58° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   6 75% 51°
Low 57° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 5 AM 57° 56° Clear WSW   7 77% 50°
High 88° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 8 AM 65° 65° Clear 0%

0% Thunder
( 0% severe)
W   6 65% 53°

Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 11 AM 80° 80° Clear W   7 42% 55°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 2 PM 86° 85° Partly Cloudy 0%

0% Thunder
( 1% severe)
W   7 36% 56°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 5 PM 85° 85° Partly Cloudy W   7 43% 60°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 8 PM 76° 78° Partly Cloudy 0%

0% Thunder
( 1% severe)
WSW   3 58% 60°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 11 PM 70° 70° Mostly Cloudy SW   7 61% 56°
Wednesday
10 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 3, 0 hours 2 AM 66° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   6 63% 53°
Low 62° PORTSMOUTH, NH 03803 weather forecast Day 3, 3 hours 5 AM 62° 62° Partly Cloudy SW   6 70% 52°
High 88° PORTSMOUTH, NH 03803 weather forecast Day 3, 6 hours 8 AM 68° 68° Partly Cloudy 6%

0% Thunder
( 2% severe)
SW   5 65% 56°

Mostly Cloudy

Chance of Rain

PORTSMOUTH, NH 03803 weather forecast Day 3, 9 hours 11 AM 81° 82° Partly Cloudy SSW   7 49% 60°
PORTSMOUTH, NH 03803 weather forecast Day 3, 15 hours 2 PM 84° 85° Mostly Cloudy 32%
RAIN
.1–.25 in
0% Thunder
( 11% severe)
SSW   9 49% 63°
PORTSMOUTH, NH 03803 weather forecast Day 3, 18 hours 5 PM 81° 83° Mostly Cloudy SSW   9 60% 66°
PORTSMOUTH, NH 03803 weather forecast Day 3, 21 hours 8 PM 75° 75° Mostly Cloudy     SSW   8 71% 65°

PORTSMOUTH, NH extended weather forecast

Thursday
11 JUN 2026
Friday
12 JUN 2026
Saturday
13 JUN 2026
Sunday
14 JUN 2026
Monday
15 JUN 2026
Low 62° Low 59° Low 59° Low 60° Low 56°
High 77° High 73° High 73° High 78° High 73°
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
81% Rain
Overcast
28% Rain
Overcast
38% Rain
Mostly Cloudy
36% Rain
Partly Cloudy
23% Rain
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