PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
12:55 PM EST FEB 27, 2026
Few Clouds 37°F
Feels Like:	35°F
Dewpoint:	18°F
Rel. Hum.:	44%
Visibility:	10 miles
Wind:	ESE at 3 mph
Pressure:	30.07 inches
Last 72 hours
Local Area Snow Depth
New Hampshire Current Weather
New Hampshire MOS Forecast Weather

Regional Weather Maps

(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

THIS AFTERNOON
Mostly sunny. Highs in the upper 30s. South winds around 10 mph.

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

SATURDAY
Mostly sunny. Highs in the mid 40s. Southwest winds around 10 mph with gusts up to 25 mph.

SATURDAY NIGHT
Partly cloudy. Lows in the mid 20s. Light and variable winds.

SUNDAY
Mostly cloudy with a 50 percent chance of snow. Highs in the mid 30s. Light and variable winds, becoming northwest around 10 mph with gusts up to 20 mph in the afternoon.

SUNDAY NIGHT
Mostly clear. A chance of snow in the evening. Lows around 10 above. Chance of snow 30 percent.

MONDAY
Mostly sunny. Highs in the mid 20s.

MONDAY NIGHT
Mostly clear. Lows around 10 above.

TUESDAY
Partly sunny in the morning, then mostly cloudy with a chance of snow and rain in the afternoon. Highs in the upper 30s. Chance of precipitation 40 percent.

TUESDAY NIGHT
Rain and snow likely. Lows in the upper 20s. Chance of precipitation 60 percent.

WEDNESDAY
Partly sunny. A chance of rain in the morning. Highs in the mid 40s. Chance of rain 50 percent.

WEDNESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s.

THURSDAY
Partly sunny in the morning, then mostly cloudy with a chance of rain and snow in the afternoon. Highs in the lower 40s. Chance of precipitation 30 percent.

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 AM EST 2/27/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
27 FEB 2026

1 PM

35°

31°

Partly Cloudy

1%

0% Thunder
( 0% severe)

S 5

45%

17°

High 37°

4 PM

36°

30°

Clear

S 7

53%

21°

Partly Cloudy

7 PM

31°

26°

Clear

0%

0% Thunder
( 0% severe)

S 5

71%

23°

10 PM

29°

23°

Partly Cloudy

SSW 6

77%

23°

Saturday
28 FEB 2026

1 AM

26°

20°

Partly Cloudy

0%

0% Thunder
( 0% severe)

SSW 5

80%

21°

Low 22°

4 AM

25°

18°

Partly Cloudy

S 6

83%

21°

High 46°

7 AM

27°

19°

Partly Cloudy

4%

0% Thunder
( 0% severe)

S 8

80%

22°

Partly Cloudy

10 AM

38°

30°

Clear

SSW 12

67%

28°

1 PM

44°

38°

Partly Cloudy

4%

0% Thunder
( 0% severe)

SSW 13

60%

31°

4 PM

45°

40°

Partly Cloudy

SW 9

63%

33°

7 PM

38°

34°

Partly Cloudy

0%

0% Thunder
( 0% severe)

WSW 5

79%

32°

10 PM

35°

32°

Partly Cloudy

W 3

78%

29°

Sunday
1 MAR 2026

1 AM

31°

28°

Partly Cloudy

2%

0% Thunder
( 0% severe)

WNW 3

77%

25°

Low 25°

4 AM

29°

25°

Partly Cloudy

N 3

73%

22°

High 35°

7 AM

28°

24°

Mostly Cloudy

35%
SNOW
5–10 in

0% Thunder
( 2% severe)

N 3

73%

21°

Mostly Cloudy

Chance of Snow

10 AM

32°

26°

Mostly Cloudy

N 6

65%

22°

1 PM

33°

26°

Mostly Cloudy

27%
SNOW
1–2.5 in

0% Thunder
( 3% severe)

NNW 8

62%

22°

4 PM

32°

24°

Partly Cloudy

NW 10

53%

18°

7 PM

25°

15°

Partly Cloudy

NW 9

59%

14°


PORTSMOUTH, NH extended weather forecast
Monday 2 MAR 2026	Tuesday 3 MAR 2026	Wednesday 4 MAR 2026	Thursday 5 MAR 2026	Friday 6 MAR 2026
Low 12°	Low 12°	Low 28°	Low 30°	Low 28°
High 24°	High 36°	High 48°	High 43°	High 36°

Partly Cloudy 12% Snow	Partly Cloudy 9% Snow	Overcast 72% Rain/Ice	Overcast 55% Rain	Overcast 40% Ice

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