PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

12:55 PM EDT OCT 30, 2026
Few Clouds
72°F
Feels Like: 72°F
Dewpoint: 41°F
Rel. Hum.: 33%
Visibility: 10 miles
Wind: W at 17 mph
Pressure: 29.85 inches
Last 72 hours

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PORTSMOUTH, NH 03803
Weather Forecast

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Snow Depth pages
TODAY
Mostly sunny. A slight chance of showers this morning. Highs in the upper 60s. Temperatures falling to around 60 this afternoon. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
TONIGHT
Mostly clear. Lows in the upper 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
SATURDAY
Sunny. Highs in the mid 50s. Northwest winds around 10 mph with gusts up to 20 mph in the morning, becoming light and variable.
SATURDAY NIGHT
Clear. Lows around 30. Light and variable winds.
SUNDAY
Mostly sunny. Highs around 60. Light and variable winds.
SUNDAY NIGHT
Mostly clear. Lows in the upper 30s.
MONDAY
Mostly sunny. Highs in the mid 60s.
MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s.
TUESDAY
Partly sunny. Highs in the lower 60s.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s.
WEDNESDAY
Partly sunny. Highs in the lower 60s.
WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 40s.
THURSDAY
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs in the mid 60s.

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  7:00 AM EST 10/30/2026
Friday
30 OCT 2026
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 1 PM 66° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
WNW   15 40% 41°
High 67° PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 4 PM 58° 55° Partly Cloudy WNW   15 45% 37°
Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 7 PM 50° 46° Clear 0%

0% Thunder
( 0% severe)
WNW   12 61% 37°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 10 PM 46° 41° Clear WNW   12 73% 38°
Saturday
31 OCT 2026
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 1 AM 44° 38° Clear 0%

0% Thunder
( 0% severe)
NW   10 73% 36°
Low 37° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 4 AM 41° 35° Clear NW   10 73% 33°
High 56° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 7 AM 37° 30° Clear 0%

0% Thunder
( 0% severe)
NW   10 75% 30°

Clear



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 10 AM 48° 43° Clear NW   10 43% 27°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 1 PM 52° 49° Clear 0%

0% Thunder
( 0% severe)
NW   9 30% 22°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 4 PM 50° 47° Clear WNW   7 34% 23°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 7 PM 41° 37° Clear 0%

0% Thunder
( 0% severe)
WNW   6 65% 30°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 10 PM 36° 33° Clear WNW   3 82% 31°
Sunday
1 NOV 2026
PORTSMOUTH, NH 03803 weather forecast Day 3, 0 hours 1 AM 33° 30° Clear 0%

0% Thunder
( 0% severe)
WNW   3 85% 29°
Low 30° PORTSMOUTH, NH 03803 weather forecast Day 3, 3 hours 4 AM 31° 28° Clear W   3 88% 28°
High 61° PORTSMOUTH, NH 03803 weather forecast Day 3, 6 hours 7 AM 31° 26° Clear 0%

0% Thunder
( 0% severe)
W   5 92% 29°

Clear



PORTSMOUTH, NH 03803 weather forecast Day 3, 9 hours 10 AM 50° 47° Clear W   7 50% 32°
PORTSMOUTH, NH 03803 weather forecast Day 3, 15 hours 1 PM 58° 56° Clear 0%

0% Thunder
( 0% severe)
W   8 34% 30°
PORTSMOUTH, NH 03803 weather forecast Day 3, 18 hours 4 PM 55° 54° Clear WSW   6 43% 33°
PORTSMOUTH, NH 03803 weather forecast Day 3, 21 hours 7 PM 46° 43° Clear     WSW   6 71% 37°

PORTSMOUTH, NH extended weather forecast

Monday
2 NOV 2026
Tuesday
3 NOV 2026
Wednesday
4 NOV 2026
Thursday
5 NOV 2026
Friday
6 NOV 2026
Low 35° Low 44° Low 46° Low 45° Low 50°
High 65° High 61° High 60° High 62° High 61°
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
Partly Cloudy
5% Rain
Mostly Cloudy
19% Rain
Overcast
22% Rain
Overcast
31% Rain
Overcast
60% Rain
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