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 23, 2026
Overcast Mist 61°F
Feels Like:	61°F
Dewpoint:	61°F
Rel. Hum.:	100%
Visibility:	1 1/2 miles
Wind:	NW at 5 mph
Pressure:	29.85 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
Cloudy. Showers with isolated thunderstorms this morning, then scattered showers this afternoon. Highs in the lower 70s. Light and variable winds. Chance of rain 80 percent.

TONIGHT
Cloudy with isolated showers in the evening, then partly cloudy after midnight. Lows in the upper 50s. Light and variable winds. Chance of rain 20 percent.

WEDNESDAY
Mostly sunny. Highs in the lower 80s. Light and variable winds, becoming northwest around 10 mph in the afternoon.

WEDNESDAY NIGHT
Mostly clear. Lows in the upper 50s. Light and variable winds.

THURSDAY
Partly sunny. Highs in the lower 80s. Light and variable winds, becoming southeast around 10 mph in the afternoon.

THURSDAY NIGHT
Partly cloudy in the evening. Showers likely after midnight. Lows in the lower 60s. Chance of rain 70 percent.

FRIDAY
Showers likely. A chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 70 percent.

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

SATURDAY
Partly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.

SATURDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the lower 60s. Chance of rain 30 percent.

SUNDAY
Mostly sunny. Highs in the lower 80s.

SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.

MONDAY
Partly 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 6/22/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
23 JUN 2026

2 AM

60°

59°

Overcast

99%
RAIN
***

0% Thunder
( 31% severe)

E 9

100%

60°

Low 59°

5 AM

61°

61°

Mostly Cloudy

NE 6

100%

61°

High 76°

8 AM

63°

64°

Mostly Cloudy

65%
RAIN
***

0% Thunder
( 12% severe)

N 5

97%

62°

Mostly Cloudy

Rain Likely

11 AM

68°

68°

Mostly Cloudy

NNW 7

84%

63°

2 PM

72°

72°

Mostly Cloudy

25%
RAIN
.1–.25 in

0% Thunder
( 3% severe)

NA 6

73%

63°

5 PM

73°

73°

Mostly Cloudy

ESE 5

73%

64°

8 PM

69°

69°

Mostly Cloudy

5%

0% Thunder
( 0% severe)

CALM

78%

62°

11 PM

64°

66°

Overcast

W 2

90%

61°

Wednesday
24 JUN 2026

2 AM

62°

62°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

NW 5

90%

59°

Low 60°

5 AM

60°

60°

Partly Cloudy

NW 6

90%

57°

High 83°

8 AM

67°

67°

Clear

1%

0% Thunder
( 1% severe)

NW 7

75%

59°

Clear

11 AM

77°

79°

Partly Cloudy

WNW 9

50%

57°

2 PM

81°

81°

Clear

1%

0% Thunder
( 2% severe)

WNW 10

42%

56°

5 PM

82°

82°

Clear

WNW 10

41%

56°

8 PM

74°

74°

Partly Cloudy

0%

0% Thunder
( 1% severe)

WNW 5

57%

58°

11 PM

66°

66°

Clear

W 5

70%

56°


PORTSMOUTH, NH extended weather forecast
Thursday 25 JUN 2026	Friday 26 JUN 2026	Saturday 27 JUN 2026	Sunday 28 JUN 2026	Monday 29 JUN 2026
Low 60°	Low 62°	Low 60°	Low 60°	Low 61°
High 78°	High 77°	High 77°	High 77°	High 81°

Mostly Cloudy 21% Rain	Overcast 69% Rain	Partly Cloudy 30% Rain	Partly Cloudy 31% Rain	Partly Cloudy 23% Rain

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