PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

4:55 AM EST NOV 23, 2025
Clear
28°F
Feels Like: 25°F
Dewpoint: 21°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: SW at 3 mph
Pressure: 29.96 inches
Last 72 hours

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PORTSMOUTH, NH 03803
Weather Forecast

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TODAY
Partly sunny this morning, then cloudy with scattered rain showers this afternoon. Highs in the lower 40s. Light and variable winds. Chance of rain 30 percent.
TONIGHT
Mostly cloudy with a chance of rain showers or a slight chance of snow showers in the evening, then partly cloudy after midnight. Lows in the lower 30s. Light and variable winds. Chance of precipitation 30 percent.
MONDAY
Mostly sunny. Highs in the mid 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 lower 30s. Light and variable winds.
TUESDAY
Cloudy. A chance of rain in the afternoon. Highs around 50. Southwest winds around 10 mph. Chance of rain 30 percent.
TUESDAY NIGHT
Rain. Lows in the lower 40s. Chance of rain 90 percent.
WEDNESDAY
Rain likely in the morning. Highs in the mid 50s. Chance of rain 60 percent.
WEDNESDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A 40 percent chance of rain. Lows in the upper 30s.
THANKSGIVING DAY
Partly sunny. Highs in the upper 40s.
THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows around 30.
FRIDAY
Partly sunny. Highs in the lower 40s.
FRIDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the mid 20s.
SATURDAY
Partly sunny. Highs around 40.

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 11/22/2025
Sunday
23 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 1, 0 hours 1 AM 31° 26° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   5 71% 23°
Low 27° PORTSMOUTH, NH 03803 weather forecast Day 1, 3 hours 4 AM 29° 25° Partly Cloudy W   3 73% 22°
High 44° PORTSMOUTH, NH 03803 weather forecast Day 1, 6 hours 7 AM 28° 25° Mostly Cloudy 4%

0% Thunder
( 0% severe)
WSW   2 76% 22°

Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 9 hours 10 AM 38° 36° Mostly Cloudy WSW   3 53% 23°
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 1 PM 42° 38° Mostly Cloudy 8%

0% Thunder
( 1% severe)
SW   7 44% 22°
PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 4 PM 41° 37° Mostly Cloudy SSW   6 52% 25°
PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 7 PM 38° 36° Mostly Cloudy 9%

0% Thunder
( 0% severe)
SW   3 70% 29°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 10 PM 35° 33° Mostly Cloudy WSW   2 85% 31°
Monday
24 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 1 AM 34° 31° Mostly Cloudy 4%

0% Thunder
( 0% severe)
WNW   3 85% 30°
Low 30° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 4 AM 32° 27° Partly Cloudy NW   5 88% 29°
High 48° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 7 AM 31° 25° Partly Cloudy 1%

0% Thunder
( 0% severe)
WNW   6 92% 29°

Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 10 AM 43° 38° Clear WNW   9 60% 30°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 1 PM 46° 41° Partly Cloudy 0%

0% Thunder
( 0% severe)
WNW   12 49% 28°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 4 PM 44° 38° Clear WNW   10 53% 28°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 7 PM 38° 34° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   6 67% 28°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 10 PM 35° 32° Partly Cloudy W   3 75% 28°

PORTSMOUTH, NH extended weather forecast

Tuesday
25 NOV 2025
Wednesday
26 NOV 2025
Thursday
27 NOV 2025
Friday
28 NOV 2025
Saturday
29 NOV 2025
Low 28° Low 42° Low 40° Low 29° Low 26°
High 48° High 55° High 48° High 42° 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
Mostly Cloudy
17% Rain
Overcast
89% Rain
Partly Cloudy
49% Rain
Partly Cloudy
31% Snow
Partly Cloudy
21% Snow
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