PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

2:55 AM EST NOV 12, 2025
Broken Clouds
34°F
Feels Like: 27°F
Dewpoint: 21°F
Rel. Hum.: 57%
Visibility: 10 miles
Wind: WSW at 8 mph
Pressure: 29.72 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 and snow showers this morning, then partly sunny this afternoon. Highs in the mid 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 20 percent.
TONIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 30s. West winds around 10 mph with gusts up to 25 mph.
THURSDAY
Partly sunny in the morning, then mostly cloudy with a slight chance of 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
Mostly 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 snow showers. Rain likely after midnight. Lows in the upper 20s. Chance of precipitation 60 percent.
SUNDAY
Rain. Highs in the lower 50s. Chance of rain 80 percent.
SUNDAY NIGHT
Partly cloudy with a 50 percent chance of rain. Lows in the lower 30s.
MONDAY
Partly sunny. Highs in the mid 40s.
MONDAY NIGHT
Partly cloudy. 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 PM EST 11/11/2025
Wednesday
12 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 1, 0 hours 1 AM 34° 25° Partly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 0% severe)
W   12 60% 22°
Low 32° PORTSMOUTH, NH 03803 weather forecast Day 1, 3 hours 4 AM 33° 25° Mostly Cloudy WSW   10 65% 23°
High 46° PORTSMOUTH, NH 03803 weather forecast Day 1, 6 hours 7 AM 34° 26° Mostly Cloudy 19%
RAIN/SNOW
<.05 in
0% Thunder
( 2% severe)
SW   10 75% 27°

Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 9 hours 10 AM 40° 33° Mostly Cloudy SW   12 64% 29°
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 1 PM 43° 36° Mostly Cloudy 9%

0% Thunder
( 0% severe)
WSW   13 55% 28°
PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 4 PM 42° 36° Partly Cloudy WSW   10 57% 28°
PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 7 PM 39° 34° Mostly Cloudy 8%

0% Thunder
( 0% severe)
WSW   7 70% 30°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 10 PM 38° 34° Mostly Cloudy WSW   6 76% 31°
Thursday
13 NOV 2025
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 1 AM 39° 35° Mostly Cloudy 9%

0% Thunder
( 0% severe)
WSW   6 76% 32°
Low 34° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 4 AM 38° 34° Partly Cloudy W   6 82% 33°
High 49° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 7 AM 36° 30° Partly Cloudy 4%

0% Thunder
( 1% severe)
W   7 85% 32°

Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 10 AM 45° 40° Partly Cloudy WNW   9 60% 32°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 1 PM 47° 42° Mostly Cloudy 15%
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 53% 29°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 7 PM 41° 35° Mostly Cloudy 8%

0% Thunder
( 0% severe)
WNW   9 65% 30°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 10 PM 38° 32° Partly Cloudy WNW   8 70% 29°

PORTSMOUTH, NH extended weather forecast

Friday
14 NOV 2025
Saturday
15 NOV 2025
Sunday
16 NOV 2025
Monday
17 NOV 2025
Tuesday
18 NOV 2025
Low 30° Low 26° Low 34° Low 29° Low 30°
High 44° High 44° High 49° High 44° High 46°
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
14% Snow
Partly Cloudy
3% Snow
Overcast
70% Rain
Partly Cloudy
19% Rain/Snow
Partly Cloudy
19% Rain/Snow
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