PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
5:55 AM EDT JUN 22, 2026
Broken Clouds 57°F
Feels Like:	57°F
Dewpoint:	57°F
Rel. Hum.:	100%
Visibility:	10 miles
Wind:	Calm
Pressure:	30.01 inches
Last 72 hours
Local Area Snow Depth
New Hampshire Current Weather
New Hampshire MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

03803 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	PORTSMOUTH, NH 03803 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Partly sunny this morning, then cloudy with showers likely this afternoon. Highs in the mid 70s. Light and variable winds. Chance of rain 70 percent.

TONIGHT
Rain with isolated thunderstorms. Patchy fog after midnight. Lows in the upper 50s. Light and variable winds, becoming southeast around 10 mph with gusts up to 20 mph after midnight. Chance of rain near 100 percent.

TUESDAY
Rain in the morning, then showers likely in the afternoon. Humid with highs in the mid 70s. Light and variable winds. Chance of rain 90 percent.

TUESDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the upper 50s. Light and variable winds.

WEDNESDAY
Mostly sunny. Highs in the upper 70s. West winds around 10 mph.

WEDNESDAY NIGHT
Mostly clear. Lows around 60.

THURSDAY
Partly sunny. Highs in the lower 80s.

THURSDAY NIGHT
Partly cloudy in the evening. Showers likely after midnight. Lows in the lower 60s. Chance of rain 60 percent.

FRIDAY
Showers likely. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 70 percent.

FRIDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows in the lower 60s. Chance of rain 70 percent.

SATURDAY
Partly sunny. A chance of showers in the morning. Highs in the lower 80s. Chance of rain 30 percent.

SATURDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the lower 60s.

SUNDAY
Mostly sunny. Highs in the lower 80s.

03803 WEATHER SATELLITE LOOPS

Visible Weather Satellite
PORTSMOUTH, NH 03803

Infrared Weather Satellite
PORTSMOUTH, NH 03803

03803 WEATHER RADAR LOOP

NEXRAD Weather Radar
PORTSMOUTH, NH 03803

MOS COMPUTER WEATHER FORECAST

PORTSMOUTH, NH 3 hourly weather forecast

weather forecast created 8:00 PM EDT 6/21/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
22 JUN 2026

2 AM

60°

61°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

W 2

90%

57°

Low 56°

5 AM

57°

58°

Partly Cloudy

CALM

96%

56°

High 78°

8 AM

66°

66°

Mostly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 0% severe)

CALM

78%

59°

Mostly Cloudy

Rain Likely

11 AM

75°

75°

Mostly Cloudy

SSE 3

55%

58°

2 PM

74°

74°

Mostly Cloudy

70%
RAIN
***

0% Thunder
( 9% severe)

SE 8

59%

59°

5 PM

70°

70°

Mostly Cloudy

S 7

68%

59°

8 PM

66°

66°

Mostly Cloudy

95%
RAIN
***

0% Thunder
( 22% severe)

ESE 6

78%

59°

11 PM

62°

61°

Overcast

ESE 8

97%

61°

Tuesday
23 JUN 2026

2 AM

62°

61°

Overcast

96%
RAIN
***

0% Thunder
( 22% severe)

SE 8

100%

62°

Low 59°

5 AM

62°

61°

Overcast

SSE 9

100%

62°

High 77°

8 AM

64°

64°

Mostly Cloudy

71%
RAIN
***

0% Thunder
( 9% severe)

S 7

93%

62°

Mostly Cloudy

Rain Likely

11 AM

70°

70°

Mostly Cloudy

NNW 7

78%

63°

2 PM

73°

73°

Mostly Cloudy

17%
RAIN
.01–.1 in

0% Thunder
( 2% severe)

NW 6

71%

63°

5 PM

74°

74°

Mostly Cloudy

NNW 6

69%

63°

8 PM

70°

70°

Mostly Cloudy

5%

0% Thunder
( 0% severe)

WNW 1

76%

62°

11 PM

65°

65°

Partly Cloudy

NW 5

84%

60°


PORTSMOUTH, NH extended weather forecast
Wednesday 24 JUN 2026	Thursday 25 JUN 2026	Friday 26 JUN 2026	Saturday 27 JUN 2026	Sunday 28 JUN 2026
Low 58°	Low 60°	Low 63°	Low 63°	Low 61°
High 82°	High 80°	High 76°	High 79°	High 78°

Partly Cloudy 11% Rain	Mostly Cloudy 10% Rain	Overcast 65% Rain	Mostly Cloudy 37% Rain	Mostly Cloudy 24% Rain

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