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 NOV 28, 2025
Broken Clouds 37°F
Feels Like:	27°F
Dewpoint:	25°F
Rel. Hum.:	61%
Visibility:	10 miles
Wind:	WNW at 18 mph, gusts to 23
Pressure:	29.67 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
Partly sunny with a chance of rain or snow showers. Highs in the lower 40s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 30 percent.

TONIGHT
Partly cloudy in the evening, then clearing. Lows in the upper 20s. West winds 10 to 15 mph with gusts up to 30 mph.

SATURDAY
Mostly sunny. Highs in the lower 40s. West winds 10 to 15 mph with gusts up to 30 mph.

SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 20s. Light and variable winds.

SUNDAY
Cloudy. Rain in the afternoon. Highs in the upper 40s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent.

SUNDAY NIGHT
Rain. Lows in the lower 30s. Chance of rain 80 percent.

MONDAY
Mostly sunny. Highs around 40.

MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 20s.

TUESDAY
A chance of snow in the morning, then snow and rain likely in the afternoon. Highs in the upper 30s. Chance of precipitation 70 percent.

TUESDAY NIGHT
Snow and rain likely in the evening, then partly cloudy with a chance of snow after midnight. Lows in the mid 20s. Chance of precipitation 70 percent.

WEDNESDAY
Partly sunny. Highs in the upper 30s.

WEDNESDAY NIGHT
Partly cloudy. Lows in the lower 20s.

THURSDAY
Partly sunny. Highs in the upper 30s.

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 11/28/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
28 NOV 2025

1 PM

42°

33°

Mostly Cloudy

8%

0% Thunder
( 1% severe)

W 18

40%

20°

High 43°

4 PM

39°

30°

Partly Cloudy

W 16

45%

20°

Partly Cloudy

7 PM

35°

27°

Partly Cloudy

1%

0% Thunder
( 0% severe)

W 12

52%

20°

10 PM

33°

24°

Partly Cloudy

W 12

54%

19°

Saturday
29 NOV 2025

1 AM

32°

24°

Partly Cloudy

1%

0% Thunder
( 0% severe)

W 10

53%

18°

Low 29°

4 AM

31°

22°

Clear

W 12

53%

17°

High 42°

7 AM

31°

22°

Clear

0%

0% Thunder
( 0% severe)

W 12

53%

17°

Clear

10 AM

37°

28°

Clear

WNW 15

42%

17°

1 PM

40°

32°

Clear

0%

0% Thunder
( 0% severe)

WNW 15

35%

16°

4 PM

38°

30°

Clear

WNW 12

36%

15°

7 PM

31°

25°

Clear

0%

0% Thunder
( 0% severe)

W 6

53%

17°

10 PM

29°

26°

Partly Cloudy

WNW 1

58%

17°

Sunday
30 NOV 2025

1 AM

28°

25°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

CALM

63%

18°

Low 26°

4 AM

29°

26°

Mostly Cloudy

CALM

64%

19°

High 48°

7 AM

31°

28°

Mostly Cloudy

21%
RAIN/SNOW
<.05 in

0% Thunder
( 1% severe)

S 2

67%

22°

Overcast

Rain Likely, Chance of Snow

10 AM

39°

33°

Overcast

S 9

61%

27°

1 PM

44°

37°

Overcast

76%
RAIN
***

0% Thunder
( 2% severe)

S 14

65%

33°

4 PM

45°

38°

Mostly Cloudy

S 15

73%

37°

7 PM

44°

38°

Overcast

S 13

89%

41°


PORTSMOUTH, NH extended weather forecast
Monday 1 DEC 2025	Tuesday 2 DEC 2025	Wednesday 3 DEC 2025	Thursday 4 DEC 2025	Friday 5 DEC 2025
Low 32°	Low 22°	Low 26°	Low 20°	Low 18°
High 37°	High 34°	High 35°	High 36°	High 27°

Mostly Cloudy 46% Rain/Snow	Overcast 79% Snow	Partly Cloudy 36% Rain/Snow	Overcast 25% Rain/Snow	Partly Cloudy 23% Snow

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