PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

2:55 AM EDT JUN 14, 2026
Few Clouds
68°F
Feels Like: 68°F
Dewpoint: 61°F
Rel. Hum.: 78%
Visibility: 10 miles
Wind: WSW at 6 mph
Pressure: 29.81 inches
Last 72 hours

Local Area Snow Depth

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PORTSMOUTH, NH 03803
Weather Forecast

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Snow Depth pages
REST OF TONIGHT
Mostly clear. Lows in the lower 60s. Light and variable winds.
SUNDAY
Partly sunny. Hot with highs in the lower 90s. Light and variable winds, becoming south around 10 mph with gusts up to 25 mph in the afternoon.
SUNDAY NIGHT
Mostly cloudy. A slight chance of showers in the evening, then rain with isolated thunderstorms after midnight. Lows in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
MONDAY
Partly sunny. A chance of showers in the morning. Highs in the lower 80s. West winds around 10 mph. Chance of rain 50 percent.
MONDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the mid 50s. Northwest winds around 10 mph in the evening, becoming light and variable.
TUESDAY
Mostly sunny. Highs in the mid 70s.
TUESDAY NIGHT
Mostly clear. Lows in the mid 50s.
WEDNESDAY
Partly sunny. Highs in the upper 70s.
WEDNESDAY NIGHT
Partly cloudy. Lows in the upper 50s.
THURSDAY
Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. Highs in the upper 70s. Chance of rain 50 percent.
THURSDAY NIGHT
Showers likely in the evening, then partly cloudy with a chance of showers after midnight. Lows in the lower 60s. Chance of rain 60 percent.
JUNETEENTH
Partly sunny with a 30 percent chance of showers. Highs in the mid 80s.
FRIDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the lower 60s. Chance of rain 30 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 PM EDT  6/13/2026
Sunday
14 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 1, 0 hours 2 AM 67° 67° Clear 1%

0% Thunder
( 0% severe)
W   3 73% 58°
Low 63° PORTSMOUTH, NH 03803 weather forecast Day 1, 3 hours 5 AM 64° 66° Partly Cloudy W   2 75% 56°
High 91° PORTSMOUTH, NH 03803 weather forecast Day 1, 6 hours 8 AM 72° 72° Partly Cloudy 1%

0% Thunder
( 0% severe)
  CALM 64% 59°

Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 9 hours 11 AM 85° 85° Clear SSW   8 41% 59°
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 2 PM 88° 88° Partly Cloudy 2%

0% Thunder
( 4% severe)
S   14 40% 61°
PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 5 PM 87° 87° Mostly Cloudy S   14 43% 62°
PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 8 PM 82° 82° Mostly Cloudy 29%
RAIN
.25–.5 in
0% Thunder
( 10% severe)
S   13 46% 59°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 11 PM 74° 74° Mostly Cloudy SSW   12 59% 59°
Monday
15 JUN 2026
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 2 AM 68° 68° Mostly Cloudy 90%
RAIN
***
0% Thunder
( 20% severe)
SSW   10 81% 62°
Low 63° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 5 AM 65° 65° Mostly Cloudy S   8 97% 64°
High 81° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 8 AM 67° 67° Mostly Cloudy 21%
RAIN
.01–.1 in
0% Thunder
( 2% severe)
WNW   10 84% 62°

Partly Cloudy

Chance of Rain

PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 11 AM 76° 78° Partly Cloudy WNW   10 52% 57°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 2 PM 80° 80° Partly Cloudy 0%

0% Thunder
( 1% severe)
WNW   10 41% 54°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 5 PM 79° 79° Partly Cloudy WNW   10 41% 53°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 8 PM 72° 72° Partly Cloudy 0%

0% Thunder
( 1% severe)
WNW   7 53% 54°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 11 PM 64° 64° Partly Cloudy WNW   7 63% 51°

PORTSMOUTH, NH extended weather forecast

Tuesday
16 JUN 2026
Wednesday
17 JUN 2026
Thursday
18 JUN 2026
Friday
19 JUN 2026
Saturday
20 JUN 2026
Low 56° Low 56° Low 59° Low 65° Low 58°
High 75° High 74° High 68° High 75° High 79°
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
10% Rain
Mostly Cloudy
21% Rain
Overcast
68% Rain
Overcast
48% Rain
Partly Cloudy
28% Rain
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