PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
2:55 PM EST MAR 2, 2026
Few Clouds 27°F
Feels Like:	21°F
Dewpoint:	-11°F
Rel. Hum.:	14%
Visibility:	10 miles
Wind:	SW at 5 mph
Pressure:	30.58 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
Sunny. Highs in the upper 20s. Light and variable winds.

TONIGHT
Clear. Lows around 15. Light and variable winds.

TUESDAY
Mostly sunny in the morning, then mostly cloudy with snow likely in the afternoon. Snow accumulation up to 1 inch possible. Highs in the upper 30s. Southwest winds around 10 mph. Chance of snow 70 percent.

TUESDAY NIGHT
Rain. Snow in the evening, then snow likely with freezing rain after midnight. Little or no snow accumulation. Lows in the upper 20s. Light and variable winds. Chance of precipitation 90 percent.

WEDNESDAY
Mostly sunny. A chance of snow in the morning. Highs around 50. Light and variable winds. Chance of snow 40 percent.

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

THURSDAY
Partly sunny. Highs in the mid 40s.

THURSDAY NIGHT
A chance of rain and snow in the evening, then rain and snow likely after midnight. Lows around 30. Chance of precipitation 70 percent.

FRIDAY
Rain and snow likely. Highs in the upper 30s. Chance of precipitation 70 percent.

FRIDAY NIGHT
A chance of snow in the evening. Cloudy with a chance of rain. Lows around 30. Chance of precipitation 30 percent.

SATURDAY
Mostly cloudy. A chance of rain in the morning. Highs in the upper 40s. Chance of rain 30 percent.

SATURDAY NIGHT
Mostly cloudy with a 40 percent chance of rain. Lows in the upper 30s.

SUNDAY
Mostly cloudy with a 30 percent chance of rain. Highs in the upper 50s.

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 3/ 2/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
2 MAR 2026

1 PM

24°

20°

Clear

0%

0% Thunder
( 0% severe)

W 2

24%

-4°

High 27°

4 PM

26°

20°

Clear

W 5

26%

-1°

Clear

7 PM

20°

16°

Clear

0%

0% Thunder
( 0% severe)

SSW 2

42%

3°

10 PM

19°

14°

Clear

SW 3

52%

6°

Tuesday
3 MAR 2026

1 AM

16°

10°

Clear

1%

0% Thunder
( 0% severe)

SW 3

63%

7°

Low 12°

4 AM

15°

8°

Clear

SW 5

66%

7°

High 38°

7 AM

16°

7°

Partly Cloudy

5%

0% Thunder
( 0% severe)

SSW 6

70%

9°

Partly Cloudy

Snow Likely

10 AM

29°

20°

Partly Cloudy

SW 9

50%

14°

1 PM

36°

28°

Partly Cloudy

82%
SNOW
***

0% Thunder
( 2% severe)

SSW 12

48%

19°

4 PM

36°

30°

Mostly Cloudy

SSW 8

63%

25°

7 PM

33°

29°

Mostly Cloudy

87%
RAIN/SNOW
***

0% Thunder
( 2% severe)

SSE 5

85%

29°

10 PM

34°

32°

Mostly Cloudy

ESE 2

85%

30°

Wednesday
4 MAR 2026

1 AM

32°

29°

Mostly Cloudy

58%
RAIN
***

0% Thunder
( 1% severe)

WNW 2

92%

30°

Low 28°

4 AM

31°

28°

Mostly Cloudy

W 2

96%

30°

High 51°

7 AM

30°

26°

Partly Cloudy

3%

0% Thunder
( 0% severe)

W 3

92%

28°

Clear

10 AM

41°

39°

Clear

WNW 2

70%

32°

1 PM

49°

48°

Clear

2%

0% Thunder
( 0% severe)

WSW 3

52%

32°

4 PM

48°

47°

Clear

SW 3

58%

34°

7 PM

39°

37°

Clear

SW 2

76%

32°


PORTSMOUTH, NH extended weather forecast
Thursday 5 MAR 2026	Friday 6 MAR 2026	Saturday 7 MAR 2026	Sunday 8 MAR 2026	Monday 9 MAR 2026
Low 26°	Low 30°	Low 29°	Low 34°	Low 39°
High 40°	High 38°	High 47°	High 53°	High 53°

Overcast 29% Rain	Overcast 80% Ice	Overcast 50% Ice	Overcast 46% Rain	Overcast 45% Rain

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