PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

2:55 AM EST NOV 22, 2025
Overcast
37°F
Feels Like: 33°F
Dewpoint: 36°F
Rel. Hum.: 96%
Visibility: 10 miles
Wind: WSW at 5 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
Cloudy with a slight chance of rain showers this morning, then partly sunny this afternoon. Highs in the upper 40s. Light and variable winds, becoming northwest around 10 mph with gusts up to 20 mph this afternoon. Chance of rain 20 percent.
TONIGHT
Mostly clear. Lows in the upper 20s. Light and variable winds. Gusts up to 20 mph in the evening.
SUNDAY
Partly sunny in the morning, then becoming mostly cloudy. Highs in the mid 40s. Light and variable winds.
SUNDAY NIGHT
Partly cloudy. Lows in the lower 30s. Light and variable winds.
MONDAY
Mostly sunny. Highs in the upper 40s. Northwest winds around 10 mph with gusts up to 20 mph.
MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s.
TUESDAY
Cloudy. Highs in the upper 40s.
TUESDAY NIGHT
Showers. Lows in the upper 30s. Chance of rain 80 percent.
WEDNESDAY
Showers likely, mainly in the morning. Highs in the mid 50s. Chance of rain 70 percent.
WEDNESDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the upper 30s.
THANKSGIVING DAY
Partly sunny. Highs in the upper 40s.
THURSDAY NIGHT
Partly cloudy. Lows in the lower 30s.
FRIDAY
Partly sunny. Highs in the mid 40s.

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 PM EST 11/21/2025
Saturday
22 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 1, 0 hours 1 AM 40° 36° Mostly Cloudy 7%

0% Thunder
( 0% severe)
WSW   6 85% 36°
Low 36° PORTSMOUTH, NH 03803 weather forecast Day 1, 3 hours 4 AM 38° 34° Mostly Cloudy W   5 89% 35°
High 50° PORTSMOUTH, NH 03803 weather forecast Day 1, 6 hours 7 AM 37° 34° Mostly Cloudy 10%
RAIN
<.01 in
0% Thunder
( 1% severe)
W   3 89% 34°

Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 9 hours 10 AM 44° 41° Mostly Cloudy WNW   6 68% 34°
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 1 PM 48° 44° Partly Cloudy 2%

0% Thunder
( 0% severe)
WNW   8 47% 29°
PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 4 PM 45° 40° Partly Cloudy NW   9 49% 27°
PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 7 PM 39° 34° Clear 0%

0% Thunder
( 0% severe)
NW   7 61% 27°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 10 PM 34° 29° Clear NW   6 68% 25°
Sunday
23 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 1 AM 32° 27° Clear 1%

0% Thunder
( 0% severe)
WNW   5 71% 24°
Low 27° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 4 AM 29° 25° Partly Cloudy W   3 77% 23°
High 45° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 7 AM 28° 24° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   3 80% 23°

Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 10 AM 38° 34° Mostly Cloudy WSW   5 53% 23°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 1 PM 43° 39° Mostly Cloudy 2%

0% Thunder
( 1% severe)
SW   7 42% 22°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 4 PM 41° 37° Mostly Cloudy SW   6 50% 24°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 7 PM 38° 36° Mostly Cloudy 5%

0% Thunder
( 2% severe)
SW   3 67% 28°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 10 PM 36° 33° Mostly Cloudy W   3 75% 29°

PORTSMOUTH, NH extended weather forecast

Monday
24 NOV 2025
Tuesday
25 NOV 2025
Wednesday
26 NOV 2025
Thursday
27 NOV 2025
Friday
28 NOV 2025
Low 32° Low 28° Low 41° Low 40° Low 33°
High 47° High 45° High 54° High 50° High 41°
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
Partly Cloudy
13% Rain/Snow
Mostly Cloudy
44% Rain
Overcast
86% Rain
Overcast
74% Rain
Partly Cloudy
33% Rain/Snow
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