PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

5:55 PM EST NOV 12, 2025
Overcast
39°F
Feels Like: 37°F
Dewpoint: 28°F
Rel. Hum.: 64%
Visibility: 10 miles
Wind: WSW at 3 mph
Pressure: 29.65 inches
Last 72 hours

Local Area Snow Depth

New Hampshire Current Weather

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PORTSMOUTH, NH 03803
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy. Lows in the mid 30s. Light and variable winds. Gusts up to 20 mph in the evening.
THURSDAY
Partly sunny in the morning, then mostly cloudy with isolated rain showers in the afternoon. Highs in the upper 40s. West winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent.
THURSDAY NIGHT
Partly cloudy. Lows in the lower 30s. Northwest winds around 10 mph.
FRIDAY
Partly sunny. Highs in the mid 40s. Northwest winds around 10 mph with gusts up to 20 mph.
FRIDAY NIGHT
Mostly clear. Lows in the upper 20s.
SATURDAY
Mostly sunny. Highs in the mid 40s.
SATURDAY NIGHT
Partly cloudy in the evening. A chance of rain in the evening, then rain likely after midnight. Lows in the lower 30s. Chance of rain 70 percent.
SUNDAY
Rain likely. Highs in the lower 50s. Chance of rain 70 percent.
SUNDAY NIGHT
Partly cloudy with a chance of rain. Lows in the lower 30s. Chance of rain 40 percent.
MONDAY
Partly sunny. Highs in the lower 40s.
MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 20s.
TUESDAY
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 AM EST 11/12/2025
Wednesday
12 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 1 PM 44° 38° Mostly Cloudy 9%

0% Thunder
( 1% severe)
WSW   13 53% 28°
High 45° PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 4 PM 43° 37° Partly Cloudy WSW   10 53% 27°
Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 7 PM 39° 34° Mostly Cloudy 6%

0% Thunder
( 0% severe)
WSW   7 67% 29°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 10 PM 38° 34° Mostly Cloudy WSW   6 73% 30°
Thursday
13 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 1 AM 38° 34° Mostly Cloudy 5%

0% Thunder
( 0% severe)
WSW   6 79% 32°
Low 34° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 4 AM 38° 33° Partly Cloudy WSW   7 79% 32°
High 49° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 7 AM 38° 32° Partly Cloudy 6%

0% Thunder
( 0% severe)
W   8 79% 32°

Mostly Cloudy

Chance of Rain

PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 10 AM 45° 40° Mostly Cloudy WNW   10 58% 31°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 1 PM 47° 42° Mostly Cloudy 20%
RAIN
<.01 in
0% Thunder
( 2% severe)
WNW   12 51% 30°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 4 PM 45° 39° Mostly Cloudy WNW   12 55% 30°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 7 PM 39° 33° Mostly Cloudy 7%

0% Thunder
( 2% severe)
WNW   9 73% 31°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 10 PM 38° 32° Mostly Cloudy NW   8 73% 30°
Friday
14 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 3, 0 hours 1 AM 36° 30° Mostly Cloudy 2%

0% Thunder
( 0% severe)
NW   8 75% 29°
Low 31° PORTSMOUTH, NH 03803 weather forecast Day 3, 3 hours 4 AM 34° 27° Partly Cloudy NW   8 75% 27°
High 47° PORTSMOUTH, NH 03803 weather forecast Day 3, 6 hours 7 AM 34° 27° Partly Cloudy 1%

0% Thunder
( 0% severe)
NW   9 75% 27°

Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 3, 9 hours 10 AM 42° 36° Partly Cloudy NW   10 52% 26°
PORTSMOUTH, NH 03803 weather forecast Day 3, 15 hours 1 PM 45° 39° Partly Cloudy 3%

0% Thunder
( 1% severe)
NW   12 43% 24°
PORTSMOUTH, NH 03803 weather forecast Day 3, 18 hours 4 PM 43° 36° Partly Cloudy NW   13 44% 23°
PORTSMOUTH, NH 03803 weather forecast Day 3, 21 hours 7 PM 36° 29° Partly Cloudy     NW   9 63% 25°

PORTSMOUTH, NH extended weather forecast

Saturday
15 NOV 2025
Sunday
16 NOV 2025
Monday
17 NOV 2025
Tuesday
18 NOV 2025
Wednesday
19 NOV 2025
Low 26° Low 34° Low 29° Low 30° Low 31°
High 44° High 49° High 44° High 46° High 46°
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
3% Snow
Overcast
70% Rain
Partly Cloudy
19% Rain/Snow
Partly Cloudy
19% Rain/Snow
Partly Cloudy
28% Rain/Snow
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