PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

6:55 AM EDT JUN 16, 2025
Overcast
Mist
55°F
Feels Like: 55°F
Dewpoint: 55°F
Rel. Hum.: 100%
Visibility: 1 miles
Wind: Calm
Pressure: 30.20 inches
Last 72 hours

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PORTSMOUTH, NH 03803
Weather Forecast

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Snow Depth pages
TODAY
Partly sunny. Highs in the upper 60s. Light and variable winds, becoming southeast around 10 mph with gusts up to 20 mph this afternoon.
TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s. Southeast winds around 10 mph in the evening, becoming light and variable.
TUESDAY
Mostly cloudy. Isolated showers in the afternoon. Highs in the lower 70s. Light and variable winds, becoming southeast around 10 mph in the afternoon. Chance of rain 20 percent.
TUESDAY NIGHT
Showers likely. Lows around 60. Light and variable winds. Chance of rain 70 percent.
WEDNESDAY
Mostly cloudy with a chance of showers. Humid with highs in the upper 70s. Light and variable winds. Chance of rain 50 percent.
WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 60s.
JUNETEENTH
Partly sunny. A chance of showers in the afternoon. Warm with highs in the mid 80s. Chance of rain 40 percent.
THURSDAY NIGHT
Partly cloudy in the evening, then clearing. A chance of showers in the evening. Lows in the lower 60s. Chance of rain 40 percent.
FRIDAY
Mostly sunny. Highs in the upper 70s.
FRIDAY NIGHT
Mostly clear. Lows in the upper 50s.
SATURDAY
Mostly sunny. Highs in the upper 70s.
SATURDAY NIGHT
Partly cloudy. Lows in the lower 60s.
SUNDAY
Partly sunny. Highs in the lower 80s.

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 PM EDT  6/15/2025
Monday
16 JUN 2025
PORTSMOUTH, NH 03803 weather forecast Day 1, 0 hours 2 AM 56° 56° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 90% 53°
Low 54° PORTSMOUTH, NH 03803 weather forecast Day 1, 3 hours 5 AM 55° 55° Mostly Cloudy   CALM 96% 54°
High 69° PORTSMOUTH, NH 03803 weather forecast Day 1, 6 hours 8 AM 58° 59° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 90% 55°

Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 9 hours 11 AM 65° 65° Mostly Cloudy SE   5 70% 55°
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 2 PM 67° 67° Mostly Cloudy 2%

0% Thunder
( 1% severe)
SE   9 63% 54°
PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 5 PM 65° 65° Mostly Cloudy SE   9 65% 53°
PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 8 PM 62° 62° Mostly Cloudy 3%

0% Thunder
( 2% severe)
SE   7 75% 54°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 11 PM 59° 60° Mostly Cloudy SE   3 87% 55°
Tuesday
17 JUN 2025
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 2 AM 59° 60° Mostly Cloudy 6%

0% Thunder
( 0% severe)
SSE   2 90% 56°
Low 57° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 5 AM 58° 59° Mostly Cloudy ESE   1 93% 56°
High 71° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 8 AM 61° 62° Mostly Cloudy 5%

0% Thunder
( 1% severe)
ESE   2 90% 58°

Mostly Cloudy

Chance of Rain

PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 11 AM 67° 67° Mostly Cloudy SE   6 73% 58°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 2 PM 69° 69° Mostly Cloudy 20%
RAIN
<.01 in
0% Thunder
( 3% severe)
SE   9 68% 58°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 5 PM 67° 67° Mostly Cloudy SE   9 73% 58°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 8 PM 65° 65° Mostly Cloudy 37%
RAIN
***
0% Thunder
( 9% severe)
SE   7 81% 59°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 11 PM 63° 63° Mostly Cloudy SSE   6 90% 60°

PORTSMOUTH, NH extended weather forecast

Wednesday
18 JUN 2025
Thursday
19 JUN 2025
Friday
20 JUN 2025
Saturday
21 JUN 2025
Sunday
22 JUN 2025
Low 62° Low 68° Low 67° Low 60° Low 58°
High 84° High 90° High 79° High 75° High 76°
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
Overcast
75% Rain
Overcast
38% Rain
Overcast
44% Rain
Mostly Cloudy
39% Rain
Overcast
26% Rain
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