PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

1:55 PM EDT JUL 23, 2026
Clear
79°F
Feels Like: 79°F
Dewpoint: 48°F
Rel. Hum.: 34%
Visibility: 10 miles
Wind: WNW at 9 mph
Pressure: 30.06 inches
Last 72 hours

Local Area Snow Depth

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PORTSMOUTH, NH 03803
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Clear. Lows in the upper 50s. Light and variable winds.
FRIDAY
Sunny. Highs in the upper 70s. Light and variable winds, becoming southeast around 10 mph in the afternoon.
FRIDAY NIGHT
Mostly clear. Lows in the upper 50s. Light and variable winds.
SATURDAY
Mostly sunny. Highs in the upper 70s. Light and variable winds, becoming southeast around 10 mph in the afternoon.
SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Light and variable winds.
SUNDAY
Partly sunny. Highs in the mid 70s.
SUNDAY NIGHT
Partly cloudy. Lows in the upper 50s.
MONDAY
Partly sunny. Highs in the upper 70s.
MONDAY NIGHT
Partly cloudy. Lows in the lower 60s.
TUESDAY
Partly sunny with a chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 70s. Chance of rain 70 percent.
TUESDAY NIGHT
Showers likely in the evening, then partly cloudy with a chance of showers after midnight. Lows in the lower 60s. Chance of rain 70 percent.
WEDNESDAY
Partly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 40 percent.
WEDNESDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the lower 60s. Chance of rain 40 percent.

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  8:00 AM EDT  7/23/2026
Thursday
23 JUL 2026
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 2 PM 77° 78° Clear 0%

0% Thunder
( 1% severe)
WNW   7 36% 48°
High 78° PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 5 PM 77° 78° Clear W   7 37% 49°
Clear



PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 8 PM 69° 69° Clear 0%

0% Thunder
( 1% severe)
S   5 55% 52°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 11 PM 62° 63° Clear SSW   1 75% 54°
Friday
24 JUL 2026
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 2 AM 59° 60° Clear 0%

0% Thunder
( 0% severe)
  CALM 87% 55°
Low 56° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 5 AM 56° 56° Clear   CALM 93% 54°
High 81° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 8 AM 65° 65° Clear 0%

0% Thunder
( 0% severe)
  CALM 70% 55°

Clear



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 11 AM 77° 78° Clear SE   3 45% 54°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 2 PM 79° 79° Clear 0%

0% Thunder
( 1% severe)
SE   8 42% 54°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 5 PM 77° 78° Clear SSE   10 45% 54°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 8 PM 70° 70° Partly Cloudy 0%

0% Thunder
( 1% severe)
SSE   7 57% 54°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 11 PM 64° 65° Clear S   5 73% 55°
Saturday
25 JUL 2026
PORTSMOUTH, NH 03803 weather forecast Day 3, 0 hours 2 AM 62° 63° Clear 0%

0% Thunder
( 0% severe)
  CALM 81% 56°
Low 58° PORTSMOUTH, NH 03803 weather forecast Day 3, 3 hours 5 AM 58° 59° Partly Cloudy   CALM 90% 55°
High 81° PORTSMOUTH, NH 03803 weather forecast Day 3, 6 hours 8 AM 66° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 73% 57°

Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 3, 9 hours 11 AM 77° 79° Clear ESE   5 52% 58°
PORTSMOUTH, NH 03803 weather forecast Day 3, 15 hours 2 PM 79° 80° Clear 0%

0% Thunder
( 3% severe)
SE   9 45% 56°
PORTSMOUTH, NH 03803 weather forecast Day 3, 18 hours 5 PM 76° 78° Partly Cloudy SE   9 48% 55°
PORTSMOUTH, NH 03803 weather forecast Day 3, 21 hours 8 PM 69° 69° Partly Cloudy     ESE   6 61% 55°

PORTSMOUTH, NH extended weather forecast

Sunday
26 JUL 2026
Monday
27 JUL 2026
Tuesday
28 JUL 2026
Wednesday
29 JUL 2026
Thursday
30 JUL 2026
Low 56° Low 58° Low 61° Low 60° Low 62°
High 76° High 75° High 73° High 74° High 80°
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
9% Rain
Mostly Cloudy
23% Rain
Overcast
48% Rain
Overcast
66% Rain
Mostly Cloudy
30% Rain
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