PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
4:55 AM EDT MAR 12, 2025
Clear 43°F
Feels Like:	36°F
Dewpoint:	27°F
Rel. Hum.:	53%
Visibility:	10 miles
Wind:	WNW at 13 mph
Pressure:	29.81 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 2024 Hurricanes	PORTSMOUTH, NH 03803 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Partly sunny. Highs in the mid 40s. Northwest winds around 10 mph with gusts up to 20 mph, becoming northeast this afternoon.

TONIGHT
Cloudy with a 20 percent chance of snow showers. Lows around 30. Light and variable winds.

THURSDAY
Cloudy. A slight chance of snow showers in the morning. Highs around 40. East winds around 10 mph. Chance of snow 20 percent.

THURSDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 20s. East winds around 10 mph in the evening, becoming light and variable.

FRIDAY
Partly sunny. Highs in the upper 40s. Light and variable winds.

FRIDAY NIGHT
Mostly cloudy. Lows in the mid 30s.

SATURDAY
Cloudy. Highs in the mid 50s.

SATURDAY NIGHT
Cloudy. A chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent.

SUNDAY
A chance of showers in the morning, then rain likely in the afternoon. Highs in the lower 60s. Chance of rain 60 percent.

SUNDAY NIGHT
Rain. Lows in the upper 40s. Chance of rain 90 percent.

MONDAY
Rain. Highs in the mid 50s. Chance of rain 80 percent.

MONDAY NIGHT
Rain showers likely in the evening, then partly cloudy with a chance of rain showers after midnight. Lows in the lower 30s. Chance of rain 60 percent.

TUESDAY
Partly sunny. Highs in the lower 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 PM EST 3/11/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
12 MAR 2025

1 AM

44°

39°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NW 9

53%

28°

Low 31°

4 AM

36°

29°

Clear

NW 9

53%

21°

High 43°

7 AM

32°

26°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

NNW 7

49%

16°

Mostly Cloudy

10 AM

38°

34°

Partly Cloudy

N 5

33%

13°

1 PM

41°

39°

Partly Cloudy

3%

0% Thunder
( 0% severe)

E 3

28%

12°

4 PM

40°

38°

Mostly Cloudy

ESE 3

32%

14°

7 PM

36°

34°

Mostly Cloudy

21%
SNOW
<.1 in

0% Thunder
( 0% severe)

E 1

43%

17°

10 PM

34°

32°

Mostly Cloudy

ESE 1

52%

19°

Thursday
13 MAR 2025

1 AM

33°

30°

Mostly Cloudy

27%
SNOW
<.1 in

0% Thunder
( 0% severe)

ENE 1

59%

21°

Low 30°

4 AM

32°

29°

Mostly Cloudy

E 2

65%

22°

High 42°

7 AM

32°

29°

Mostly Cloudy

12%
SNOW
<.1 in

0% Thunder
( 2% severe)

E 3

71%

24°

Mostly Cloudy

10 AM

38°

34°

Mostly Cloudy

ESE 6

58%

25°

1 PM

40°

35°

Mostly Cloudy

2%

0% Thunder
( 1% severe)

ESE 8

54%

25°

4 PM

40°

35°

Mostly Cloudy

ESE 7

54%

25°

7 PM

36°

34°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

ESE 2

66%

26°

10 PM

35°

33°

Mostly Cloudy

E 1

72%

27°


PORTSMOUTH, NH extended weather forecast
Friday 14 MAR 2025	Saturday 15 MAR 2025	Sunday 16 MAR 2025	Monday 17 MAR 2025	Tuesday 18 MAR 2025
Low 31°	Low 37°	Low 46°	Low 44°	Low 36°
High 52°	High 54°	High 63°	High 58°	High 54°

Overcast 5% Rain/Snow	Mostly Cloudy 18% Rain	Overcast 58% Rain	Overcast 91% Rain	Partly Cloudy 40% Rain/Snow

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