PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
1:55 AM EST DEC 16, 2025
Overcast 21°F
Feels Like:	13°F
Dewpoint:	10°F
Rel. Hum.:	58%
Visibility:	10 miles
Wind:	WSW at 6 mph
Pressure:	30.08 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 2025 Hurricanes	PORTSMOUTH, NH 03803 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TONIGHT
Mostly cloudy. Lows around 17. West winds around 10 mph.

TUESDAY
Mostly sunny. Highs in the lower 30s. Southwest winds around 10 mph.

TUESDAY NIGHT
Partly cloudy. Lows in the lower 20s. Southwest winds around 10 mph with gusts up to 25 mph.

WEDNESDAY
Partly sunny. Highs in the lower 40s. Southwest winds 10 to 15 mph with gusts up to 30 mph.

WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 20s. West winds around 10 mph with gusts up to 25 mph in the evening, becoming light and variable.

THURSDAY
Partly sunny. Highs in the upper 40s.

THURSDAY NIGHT
Rain likely after midnight. Lows in the upper 30s. Temperatures rising into the upper 40s after midnight. Chance of rain 70 percent.

FRIDAY
Rain. Highs in the mid 50s. Temperatures falling into the lower 40s in the afternoon. Chance of rain 90 percent.

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

SATURDAY
Partly sunny. Highs in the mid 30s.

SATURDAY NIGHT
Mostly cloudy. Lows in the mid 20s.

SUNDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 40s.

SUNDAY NIGHT
Partly cloudy. Lows around 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 PM EST 12/15/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
16 DEC 2025

1 AM

21°

13°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

WSW 6

61%

11°

Low 18°

4 AM

20°

11°

Mostly Cloudy

WSW 7

71%

13°

High 33°

7 AM

19°

11°

Partly Cloudy

0%

0% Thunder
( 0% severe)

W 6

74%

13°

Partly Cloudy

10 AM

26°

18°

Clear

W 7

57%

14°

1 PM

32°

25°

Clear

0%

0% Thunder
( 0% severe)

WSW 8

42%

13°

4 PM

30°

23°

Partly Cloudy

SW 7

48%

14°

7 PM

26°

18°

Partly Cloudy

1%

0% Thunder
( 0% severe)

SW 7

60%

15°

10 PM

26°

17°

Mostly Cloudy

SW 8

60%

15°

Wednesday
17 DEC 2025

1 AM

26°

17°

Partly Cloudy

1%

0% Thunder
( 0% severe)

SSW 9

63%

16°

Low 23°

4 AM

26°

15°

Partly Cloudy

SSW 12

66%

17°

High 44°

7 AM

26°

15°

Partly Cloudy

2%

0% Thunder
( 0% severe)

SW 12

69%

18°

Mostly Cloudy

10 AM

35°

26°

Mostly Cloudy

SW 14

57%

22°

1 PM

41°

33°

Mostly Cloudy

0%

0% Thunder
( 1% severe)

SW 15

54%

26°

4 PM

41°

34°

Mostly Cloudy

WSW 13

59%

28°

7 PM

38°

31°

Partly Cloudy

2%

0% Thunder
( 0% severe)

W 9

67%

28°

10 PM

37°

31°

Partly Cloudy

W 8

69%

28°


PORTSMOUTH, NH extended weather forecast
Thursday 18 DEC 2025	Friday 19 DEC 2025	Saturday 20 DEC 2025	Sunday 21 DEC 2025	Monday 22 DEC 2025
Low 29°	Low 38°	Low 28°	Low 26°	Low 22°
High 44°	High 52°	High 37°	High 43°	High 32°

Mostly Cloudy 14% Rain/Snow	Overcast 98% Rain	Partly Cloudy 28% Rain/Snow	Overcast 34% Rain/Snow	Clear 19% Snow

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