PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
9:55 AM EDT OCT 27, 2026
Few Clouds 48°F
Feels Like:	45°F
Dewpoint:	25°F
Rel. Hum.:	40%
Visibility:	10 miles
Wind:	N at 7 mph
Pressure:	30.36 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 2026 Hurricanes	PORTSMOUTH, NH 03803 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Mostly sunny. Highs in the lower 50s. North winds around 10 mph this morning, becoming light and variable.

TONIGHT
Mostly clear. Lows in the upper 20s. Light and variable winds.

WEDNESDAY
Partly sunny. Highs in the mid 50s. Light and variable winds.

WEDNESDAY NIGHT
Mostly clear. Lows around 40. Light and variable winds.

THURSDAY
Mostly sunny. Highs in the upper 60s. Southwest winds around 10 mph.

THURSDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s.

FRIDAY
Mostly sunny. Highs in the upper 60s.

FRIDAY NIGHT
Mostly clear. Lows in the upper 30s.

SATURDAY
Mostly sunny. Highs around 60.

SATURDAY NIGHT
Partly cloudy. Lows in the mid 30s.

SUNDAY
Partly sunny. Highs in the lower 60s.

SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s.

MONDAY
Mostly cloudy in the morning, then becoming partly sunny. A 40 percent chance of showers. Highs in the lower 60s.

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 7:00 PM EST 10/26/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
27 OCT 2026

1 AM

45°

41°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

N 8

76%

38°

Low 34°

4 AM

39°

33°

Partly Cloudy

N 8

73%

31°

High 55°

7 AM

35°

28°

Partly Cloudy

0%

0% Thunder
( 0% severe)

N 8

82%

30°

Clear

10 AM

48°

45°

Clear

N 7

43%

27°

1 PM

52°

52°

Clear

0%

0% Thunder
( 0% severe)

CALM

29%

21°

4 PM

49°

48°

Clear

S 3

40%

26°

7 PM

38°

36°

Clear

0%

0% Thunder
( 0% severe)

WNW 3

70%

29°

10 PM

33°

29°

Clear

N 5

85%

29°

Wednesday
28 OCT 2026

1 AM

30°

26°

Clear

1%

0% Thunder
( 0% severe)

NA 3

88%

27°

Low 26°

4 AM

28°

24°

Clear

NNW 3

92%

26°

High 57°

7 AM

28°

24°

Clear

0%

0% Thunder
( 0% severe)

NNW 3

96%

27°

Partly Cloudy

10 AM

47°

46°

Partly Cloudy

CALM

51%

30°

1 PM

53°

52°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

S 5

38%

28°

4 PM

52°

51°

Clear

SSW 5

48%

33°

7 PM

43°

40°

Clear

0%

0% Thunder
( 0% severe)

SSW 5

79%

37°

10 PM

41°

38°

Partly Cloudy

SW 5

89%

38°


PORTSMOUTH, NH extended weather forecast
Thursday 29 OCT 2026	Friday 30 OCT 2026	Saturday 31 OCT 2026	Sunday 1 NOV 2026	Monday 2 NOV 2026
Low 39°	Low 50°	Low 41°	Low 35°	Low 40°
High 67°	High 65°	High 53°	High 55°	High 56°

Partly Cloudy 4% Rain	Partly Cloudy 24% Rain	Clear 10% Rain	Partly Cloudy 15% Rain	Overcast 51% Rain

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