PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
8:55 PM EST DEC 23, 2025
Overcast Light Snow Mist 34°F
Feels Like:	34°F
Dewpoint:	32°F
Rel. Hum.:	92%
Visibility:	3/4 miles
Wind:	Calm
Pressure:	29.94 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

TONIGHT
Snow and rain. Additional snow accumulation of 1 to 3 inches. Lows in the upper 20s. Light and variable winds, becoming west around 10 mph after midnight. Chance of precipitation near 100 percent.

WEDNESDAY
Snow likely. Additional snow accumulation around an inch. Total snow accumulation 1 to 5 inches. Highs in the mid 30s. Northwest winds 10 to 15 mph with gusts up to 35 mph. Chance of snow 70 percent.

WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 20. Light and variable winds.

CHRISTMAS DAY
Cloudy with a chance of snow in the morning, then partly sunny in the afternoon. Highs in the upper 30s. Southwest winds around 10 mph, becoming west with gusts up to 25 mph in the afternoon. Chance of snow 30 percent.

THURSDAY NIGHT
Mostly clear. Lows around 11. Northwest winds 10 to 15 mph with gusts up to 35 mph. Wind chill values as low as 4 below after midnight.

FRIDAY
Partly sunny. Highs in the lower 20s.

FRIDAY NIGHT
Cloudy. A chance of snow after midnight. Lows 10 to 15. Chance of snow 40 percent.

SATURDAY
Mostly cloudy with a chance of snow in the morning, then partly sunny in the afternoon. Highs in the mid 20s. Chance of snow 40 percent.

SATURDAY NIGHT
Partly cloudy. Lows 15 to 20.

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

SUNDAY NIGHT
Rain likely. A chance of snow after midnight. Lows in the lower 20s. Chance of precipitation 70 percent.

MONDAY
Partly sunny. Scattered snow showers in the morning. Highs in the lower 30s. Chance of snow 40 percent.

MONDAY NIGHT
Partly cloudy. Lows 15 to 20.

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 12/23/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
23 DEC 2025

1 PM

35°

30°

Mostly Cloudy

95%
SNOW
***

0% Thunder
( 3% severe)

SSE 6

63%

24°

High 36°

4 PM

34°

29°

Mostly Cloudy

SE 6

78%

28°

Mostly Cloudy

Rain & Snow

7 PM

32°

29°

Overcast

94%
RAIN/SNOW
***

0% Thunder
( 3% severe)

SSE 3

96%

31°

10 PM

34°

31°

Mostly Cloudy

SSE 3

92%

32°

Wednesday
24 DEC 2025

1 AM

33°

30°

Mostly Cloudy

61%
RAIN/SNOW
1.25–2.5 in

0% Thunder
( 2% severe)

W 3

96%

32°

Low 28°

4 AM

32°

26°

Overcast

WNW 7

92%

30°

High 36°

7 AM

30°

20°

Mostly Cloudy

45%
SNOW
5–10 in

0% Thunder
( 2% severe)

NW 12

88%

27°

Mostly Cloudy

Chance of Snow

10 AM

33°

23°

Partly Cloudy

NNW 15

71%

25°

1 PM

34°

25°

Mostly Cloudy

8%

0% Thunder
( 2% severe)

N 14

65%

24°

4 PM

32°

25°

Partly Cloudy

N 8

65%

22°

7 PM

27°

23°

Partly Cloudy

1%

0% Thunder
( 0% severe)

NNW 3

73%

20°

10 PM

25°

21°

Mostly Cloudy

WNW 2

76%

19°

Thursday
25 DEC 2025

1 AM

23°

19°

Mostly Cloudy

4%

0% Thunder
( 0% severe)

W 2

79%

18°

Low 20°

4 AM

24°

20°

Mostly Cloudy

WSW 3

75%

18°

High 38°

7 AM

25°

18°

Mostly Cloudy

23%
SNOW
<.1 in

0% Thunder
( 1% severe)

SW 6

76%

19°

Mostly Cloudy

Chance of Snow

10 AM

31°

23°

Mostly Cloudy

WSW 9

67%

22°

1 PM

36°

28°

Mostly Cloudy

6%

0% Thunder
( 2% severe)

W 12

55%

22°

4 PM

35°

27°

Partly Cloudy

NW 12

50%

19°

7 PM

27°

17°

Partly Cloudy

NW 12

54%

14°


PORTSMOUTH, NH extended weather forecast
Friday 26 DEC 2025	Saturday 27 DEC 2025	Sunday 28 DEC 2025	Monday 29 DEC 2025	Tuesday 30 DEC 2025
Low 15°	Low 13°	Low 17°	Low 22°	Low 17°
High 25°	High 26°	High 30°	High 30°	High 32°

Partly Cloudy	Mostly Cloudy 37% Snow	Mostly Cloudy 59% Snow	Overcast 34% Snow/Ice	Partly Cloudy 21% Snow

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