PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

11:55 AM EST NOV 24, 2025
Scattered Clouds
48°F
Feels Like: 42°F
Dewpoint: 32°F
Rel. Hum.: 54%
Visibility: 10 miles
Wind: WNW at 14 mph, gusts to 18
Pressure: 30.08 inches
Last 72 hours

Local Area Snow Depth

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PORTSMOUTH, NH 03803
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Partly sunny. Highs in the upper 40s. Northwest winds around 10 mph with gusts up to 20 mph.
TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s. Light and variable winds.
TUESDAY
Cloudy. Highs in the upper 40s. Southwest winds around 10 mph with gusts up to 20 mph.
TUESDAY NIGHT
Rain. Lows around 40. Light and variable winds. Chance of rain 90 percent.
WEDNESDAY
Cloudy. Rain, mainly in the morning. Highs in the mid 50s. Light and variable winds. Chance of rain 80 percent.
WEDNESDAY NIGHT
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 mid 40s.
THURSDAY NIGHT
Mostly clear. Lows around 30.
FRIDAY
Partly sunny. Highs in the lower 40s.
FRIDAY NIGHT
Partly cloudy. Lows in the upper 20s.
SATURDAY
Mostly sunny. Highs in the upper 30s.
SATURDAY NIGHT
Partly cloudy. Lows in the mid 20s.
SUNDAY
Mostly cloudy. Highs in the lower 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 AM EST 11/24/2025
Monday
24 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 1 PM 46° 41° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   12 51% 29°
High 47° PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 4 PM 43° 38° Clear WNW   9 55% 28°
Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 7 PM 36° 32° Clear 1%

0% Thunder
( 0% severe)
W   5 72% 28°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 10 PM 33° 30° Partly Cloudy WSW   2 81% 28°
Tuesday
25 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 1 AM 32° 29° Partly Cloudy 3%

0% Thunder
( 0% severe)
WSW   3 85% 28°
Low 30° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 4 AM 32° 26° Mostly Cloudy SW   6 81% 27°
High 51° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 7 AM 34° 28° Mostly Cloudy 3%

0% Thunder
( 0% severe)
SW   7 78% 28°

Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 10 AM 44° 38° Mostly Cloudy SW   10 60% 31°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 1 PM 50° 46° Mostly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 0% severe)
SW   12 50% 32°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 4 PM 48° 44° Mostly Cloudy SSW   9 60% 35°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 7 PM 44° 41° Mostly Cloudy 74%
RAIN
***
0% Thunder
( 1% severe)
SSW   6 82% 39°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 10 PM 45° 43° Overcast S   5 89% 42°
Wednesday
26 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 3, 0 hours 1 AM 46° 44° Overcast 88%
RAIN
***
0% Thunder
( 2% severe)
S   5 93% 44°
Low 42° PORTSMOUTH, NH 03803 weather forecast Day 3, 3 hours 4 AM 47° 44° Overcast S   6 96% 46°
High 58° PORTSMOUTH, NH 03803 weather forecast Day 3, 6 hours 7 AM 48° 46° Mostly Cloudy 36%
RAIN
.1–.25 in
0% Thunder
( 1% severe)
S   5 96% 47°

Mostly Cloudy

Chance of Rain

PORTSMOUTH, NH 03803 weather forecast Day 3, 9 hours 10 AM 53° 51° Mostly Cloudy SSW   6 90% 50°
PORTSMOUTH, NH 03803 weather forecast Day 3, 15 hours 1 PM 56° 54° Overcast 39%
RAIN
.25–.5 in
0% Thunder
( 1% severe)
S   7 83% 51°
PORTSMOUTH, NH 03803 weather forecast Day 3, 18 hours 4 PM 55° 53° Mostly Cloudy S   7 86% 51°
PORTSMOUTH, NH 03803 weather forecast Day 3, 21 hours 7 PM 51° 50° Mostly Cloudy     S   5 100% 51°

PORTSMOUTH, NH extended weather forecast

Thursday
27 NOV 2025
Friday
28 NOV 2025
Saturday
29 NOV 2025
Sunday
30 NOV 2025
Monday
1 DEC 2025
Low 41° Low 29° Low 25° Low 23° Low 29°
High 46° High 41° High 39° High 40° High 49°
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
40% Rain
Partly Cloudy
19% Rain/Snow
Partly Cloudy
17% Snow
Partly Cloudy
20% Snow
Overcast
40% Rain
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