PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH
Current Weather

3:55 PM EST NOV 3, 2026
Overcast
59°F
Feels Like: 58°F
Dewpoint: 46°F
Rel. Hum.: 62%
Visibility: 10 miles
Wind: NE at 6 mph
Pressure: 30.17 inches
Last 72 hours

Local Area Snow Depth

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PORTSMOUTH, NH 03803
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy this evening, then becoming partly cloudy. Lows in the upper 40s. Light and variable winds.
WEDNESDAY
Partly sunny. Highs in the mid 70s. Light and variable winds, becoming southwest around 10 mph in the afternoon.
WEDNESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. Light and variable winds.
THURSDAY
Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 70s. Southwest winds around 10 mph with gusts up to 20 mph.
THURSDAY NIGHT
Mostly cloudy. Scattered showers after midnight. Lows around 60. Southwest winds around 10 mph in the evening, becoming light and variable. Chance of rain 50 percent.
FRIDAY
Rain likely in the morning, then rain in the afternoon. Highs in the upper 60s. Chance of rain 80 percent.
FRIDAY NIGHT
Rain with a chance of thunderstorms. Lows in the lower 50s. Chance of rain 90 percent.
SATURDAY
Rain with a chance of thunderstorms in the morning, then rain likely in the afternoon. Highs in the lower 60s. Chance of rain 80 percent.
SATURDAY NIGHT
Rain likely in the evening, then partly cloudy with a chance of rain after midnight. Lows in the lower 40s. Chance of rain 60 percent.
SUNDAY
Partly sunny. A chance of rain in the morning. Highs in the upper 50s. Chance of rain 30 percent.
SUNDAY NIGHT
Partly cloudy. Lows in the upper 30s.
MONDAY
Partly sunny. Highs in the upper 50s.
MONDAY NIGHT
Partly cloudy. Lows in the mid 30s.

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/ 3/2026
Tuesday
3 NOV 2026
PORTSMOUTH, NH 03803 weather forecast Day 1, 12 hours 1 PM 66° 66° Mostly Cloudy 9%

0% Thunder
( 0% severe)
SSE   5 48% 46°
High 67° PORTSMOUTH, NH 03803 weather forecast Day 1, 15 hours 4 PM 60° 60° Mostly Cloudy ESE   5 62% 47°
Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 1, 18 hours 7 PM 55° 55° Mostly Cloudy 7%

0% Thunder
( 0% severe)
  CALM 80% 49°
PORTSMOUTH, NH 03803 weather forecast Day 1, 21 hours 10 PM 53° 53° Mostly Cloudy   CALM 83% 48°
Wednesday
4 NOV 2026
PORTSMOUTH, NH 03803 weather forecast Day 2, 0 hours 1 AM 52° 52° Partly Cloudy 6%

0% Thunder
( 0% severe)
  CALM 83% 47°
Low 49° PORTSMOUTH, NH 03803 weather forecast Day 2, 3 hours 4 AM 50° 50° Mostly Cloudy WSW   1 89% 47°
High 76° PORTSMOUTH, NH 03803 weather forecast Day 2, 6 hours 7 AM 50° 48° Partly Cloudy 6%

0% Thunder
( 0% severe)
SW   5 89% 47°

Partly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 2, 9 hours 10 AM 64° 64° Mostly Cloudy WSW   7 63% 51°
PORTSMOUTH, NH 03803 weather forecast Day 2, 12 hours 1 PM 73° 73° Partly Cloudy 4%

0% Thunder
( 0% severe)
SW   9 48% 52°
PORTSMOUTH, NH 03803 weather forecast Day 2, 15 hours 4 PM 70° 70° Partly Cloudy SW   8 55% 53°
PORTSMOUTH, NH 03803 weather forecast Day 2, 18 hours 7 PM 63° 63° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   7 70% 53°
PORTSMOUTH, NH 03803 weather forecast Day 2, 21 hours 10 PM 59° 58° Partly Cloudy SW   7 80% 53°
Thursday
5 NOV 2026
PORTSMOUTH, NH 03803 weather forecast Day 3, 0 hours 1 AM 57° 56° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   6 86% 53°
Low 55° PORTSMOUTH, NH 03803 weather forecast Day 3, 3 hours 4 AM 55° 53° Mostly Cloudy SW   7 96% 54°
High 74° PORTSMOUTH, NH 03803 weather forecast Day 3, 6 hours 7 AM 56° 54° Mostly Cloudy 4%

0% Thunder
( 1% severe)
SSW   7 96% 55°

Mostly Cloudy



PORTSMOUTH, NH 03803 weather forecast Day 3, 9 hours 10 AM 66° 66° Mostly Cloudy SSW   10 75% 58°
PORTSMOUTH, NH 03803 weather forecast Day 3, 15 hours 1 PM 72° 72° Mostly Cloudy 14%
RAIN
<.01 in
0% Thunder
( 2% severe)
SSW   12 64% 59°
PORTSMOUTH, NH 03803 weather forecast Day 3, 18 hours 4 PM 69° 69° Mostly Cloudy SSW   10 73% 60°
PORTSMOUTH, NH 03803 weather forecast Day 3, 21 hours 7 PM 65° 65° Mostly Cloudy     SSW   9 87% 61°

PORTSMOUTH, NH extended weather forecast

Friday
6 NOV 2026
Saturday
7 NOV 2026
Sunday
8 NOV 2026
Monday
9 NOV 2026
Tuesday
10 NOV 2026
Low 55° Low 48° Low 35° Low 36° Low 36°
High 66° High 58° High 53° High 52° High 51°
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
Overcast
48% Rain
Overcast
74% Rain
Partly Cloudy
29% Rain
Overcast
25% Rain
Partly Cloudy
25% Rain
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