PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

7:55 PM EST NOV 22, 2025
Clear
37°F
Feels Like: 29°F
Dewpoint: 19°F
Rel. Hum.: 46%
Visibility: 10 miles
Wind: WNW at 12 mph
Pressure: 29.92 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 this evening, then becoming partly cloudy. Lows in the upper 20s. West winds around 10 mph. Gusts up to 25 mph this evening.
SUNDAY
Partly sunny in the morning, then cloudy with a slight chance of rain showers in the afternoon. Highs in the mid 40s. Light and variable winds, becoming southwest around 10 mph in the afternoon. Chance of rain 20 percent.
SUNDAY NIGHT
Mostly cloudy with a slight chance of rain showers in the evening, then partly cloudy after midnight. Lows in the upper 20s. Southwest winds around 10 mph in the evening, becoming light and variable. Chance of rain 20 percent.
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. Light and variable winds.
TUESDAY
Cloudy. A chance of rain in the afternoon. Highs in the upper 40s. Chance of rain 30 percent.
TUESDAY NIGHT
Rain. Lows in the lower 40s. Chance of rain 90 percent.
WEDNESDAY
Cloudy with a 50 percent chance of rain. Highs in the mid 50s.
WEDNESDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A 50 percent chance of rain. Lows in the upper 30s.
THANKSGIVING DAY
Partly sunny. Highs in the upper 40s.
THURSDAY NIGHT
Mostly clear. Lows around 30.
FRIDAY
Partly sunny. Highs in the lower 40s.
FRIDAY NIGHT
Mostly clear. Lows in the upper 20s.

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 11/22/2025
Saturday
22 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 1 PM 47° 43° Partly Cloudy 1%

0% Thunder
( 1% severe)
WNW   8 58% 33°
High 48° PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 4 PM 45° 40° Partly Cloudy NW   9 53% 29°
Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 7 PM 37° 32° Clear 0%

0% Thunder
( 0% severe)
NW   7 66% 27°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 10 PM 34° 29° Clear WNW   6 68% 25°
Sunday
23 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 1 AM 31° 28° Partly Cloudy 0%

0% Thunder
( 0% severe)
WNW   3 74% 24°
Low 27° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 4 AM 29° 25° Partly Cloudy W   3 73% 22°
High 44° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 7 AM 29° 26° Mostly Cloudy 2%

0% Thunder
( 0% severe)
W   2 73% 22°

Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 10 AM 38° 36° Mostly Cloudy WSW   3 53% 23°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 1 PM 42° 38° Mostly Cloudy 13%
RAIN
<.01 in
0% Thunder
( 1% severe)
SW   7 44% 22°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 4 PM 41° 37° Mostly Cloudy SSW   6 50% 24°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 7 PM 36° 33° Mostly Cloudy 7%

0% Thunder
( 1% severe)
WSW   3 75% 29°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 10 PM 35° 32° Mostly Cloudy W   3 82% 30°
Monday
24 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 3, 0 hours 1 AM 33° 30° Mostly Cloudy 3%

0% Thunder
( 0% severe)
WNW   3 88% 30°
Low 29° PORTSMOUTH, NH 03803 weather forecast Day 3, 3 hours 4 AM 32° 26° Mostly Cloudy NW   6 88% 29°
High 48° PORTSMOUTH, NH 03803 weather forecast Day 3, 6 hours 7 AM 33° 27° Partly Cloudy 2%

0% Thunder
( 0% severe)
WNW   7 85% 29°

Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 3, 9 hours 10 AM 42° 36° Partly Cloudy NW   10 62% 30°
PORTSMOUTH, NH 03803 weather forecast Day 3, 15 hours 1 PM 47° 41° Partly Cloudy 1%

0% Thunder
( 0% severe)
WNW   13 47% 28°
PORTSMOUTH, NH 03803 weather forecast Day 3, 18 hours 4 PM 44° 38° Clear WNW   12 51% 27°
PORTSMOUTH, NH 03803 weather forecast Day 3, 21 hours 7 PM 37° 32° Clear     WNW   7 72% 29°

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 41° Low 40° Low 33° Low 26°
High 45° High 54° High 50° High 41° High 42°
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
Mostly Cloudy
44% Rain
Overcast
86% Rain
Overcast
74% Rain
Partly Cloudy
33% Rain/Snow
Partly Cloudy
21% Rain/Snow
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