PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

1:55 AM EDT JUN 8, 2026
Clear
55°F
Feels Like: 55°F
Dewpoint: 52°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: Calm
Pressure: 30.09 inches
Last 72 hours

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PORTSMOUTH, NH 03803
Weather Forecast

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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 PM EDT  6/ 7/2026
Monday
8 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 1, 0 hours 2 AM 56° 55° Clear 0%

0% Thunder
( 0% severe)
NNW   6 83% 51°
Low 52° PORTSMOUTH, NH 03803 weather forecast Day 1, 3 hours 5 AM 53° 51° Clear NNW   7 83% 48°
High 79° PORTSMOUTH, NH 03803 weather forecast Day 1, 6 hours 8 AM 61° 61° Clear 0%

0% Thunder
( 0% severe)
N   6 65% 49°

Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 9 hours 11 AM 72° 72° Partly Cloudy N   5 43% 48°
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 2 PM 76° 78° Partly Cloudy 0%

0% Thunder
( 0% severe)
ESE   5 40% 50°
PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 5 PM 76° 78° Clear SW   8 43% 52°
PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 8 PM 69° 69° Clear 0%

0% Thunder
( 1% severe)
SSW   6 57% 53°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 11 PM 63° 64° Clear WSW   5 65% 51°
Tuesday
9 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 2 AM 59° 59° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   5 75% 51°
Low 56° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 5 AM 56° 55° Clear W   5 80% 50°
High 88° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 8 AM 65° 65° Clear 0%

0% Thunder
( 0% severe)
W   3 68% 54°

Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 11 AM 80° 80° Clear W   5 42% 55°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 2 PM 85° 84° Partly Cloudy 0%

0% Thunder
( 1% severe)
WSW   6 37% 56°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 5 PM 83° 83° Partly Cloudy WSW   7 44% 59°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 8 PM 74° 74° Mostly Cloudy 0%

0% Thunder
( 1% severe)
SSW   5 57% 58°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 11 PM 68° 68° Partly Cloudy SW   3 65% 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 59° Low 59° Low 60°
High 76° High 77° High 73° High 73° High 78°
PORTSMOUTH, NH 03803 weather forecast Day 3 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
Mostly Cloudy
65% Rain
Overcast
81% Rain
Overcast
28% Rain
Overcast
38% Rain
Mostly Cloudy
36% Rain
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