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 EDT APR 23, 2026
Clear 45°F
Feels Like:	45°F
Dewpoint:	34°F
Rel. Hum.:	65%
Visibility:	10 miles
Wind:	Calm
Pressure:	29.85 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
Mostly clear. Lows in the mid 30s. Northwest winds around 10 mph with gusts up to 25 mph in the evening, becoming light and variable.

FRIDAY
Partly sunny. Highs in the lower 50s. Light and variable winds.

FRIDAY NIGHT
Partly cloudy. Lows in the mid 30s. Light and variable winds.

SATURDAY
Mostly sunny. Highs around 50. Light and variable winds.

SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s.

SUNDAY
Partly sunny. Highs in the lower 50s.

SUNDAY NIGHT
Partly cloudy. Lows in the upper 30s.

MONDAY
Partly sunny. Highs in the lower 50s.

MONDAY NIGHT
Partly cloudy. Lows around 40.

TUESDAY
Partly sunny. A chance of showers in the afternoon. Highs in the mid 50s. Chance of rain 30 percent.

TUESDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the lower 40s.

WEDNESDAY
Cloudy with a 50 percent chance of showers. 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 8:00 AM EDT 4/23/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

TIME
EDT

TEMP
(deg. F)

FEELS
LIKE

CLOUD
COVER

PRECIP
PROB.

THUNDER
PROB.

WIND
dir./mph

REL
HUM

DEWPT
(deg. F)

Thursday
23 APR 2026

2 PM

58°

55°

Partly Cloudy

0% Thunder
( 0% severe)

NW 13

33%

29°

High 59°

5 PM

57°

54°

Clear

NNW 12

30%

26°

Partly Cloudy

8 PM

49°

46°

Partly Cloudy

0% Thunder
( 0% severe)

NNW 7

40%

26°

11 PM

44°

41°

Partly Cloudy

NNW 5

48%

26°

Friday
24 APR 2026

2 AM

39°

37°

Partly Cloudy

0% Thunder
( 0% severe)

NW 3

59%

26°

Low 34°

5 AM

36°

32°

Partly Cloudy

NW 5

66%

26°

High 55°

8 AM

41°

37°

Partly Cloudy

0% Thunder
( 0% severe)

NNW 6

54%

26°

Mostly Cloudy

11 AM

49°

47°

Partly Cloudy

NNW 6

38%

25°

2 PM

53°

51°

Mostly Cloudy

0% Thunder
( 0% severe)

N 7

33%

25°

5 PM

52°

50°

Mostly Cloudy

E 7

36%

26°

8 PM

45°

44°

Mostly Cloudy

0% Thunder
( 0% severe)

NE 2

53%

29°

11 PM

42°

41°

Mostly Cloudy

NE 2

60%

29°

Saturday
25 APR 2026

2 AM

38°

36°

Partly Cloudy

0% Thunder
( 0% severe)

NNE 2

70%

29°

Low 34°

5 AM

36°

33°

Partly Cloudy

N 3

72%

28°

High 52°

8 AM

41°

39°

Partly Cloudy

0% Thunder
( 0% severe)

NNE 3

62%

29°

Partly Cloudy

11 AM

48°

47°

Partly Cloudy

ENE 3

45%

28°

2 PM

50°

48°

Partly Cloudy

0% Thunder
( 0% severe)

ESE 6

42%

28°

5 PM

49°

47°

Partly Cloudy

SSE 6

44%

28°

8 PM

43°

42°

Mostly Cloudy

S 2

57%

29°


PORTSMOUTH, NH extended weather forecast
Sunday 26 APR 2026	Monday 27 APR 2026	Tuesday 28 APR 2026	Wednesday 29 APR 2026	Thursday 30 APR 2026
Low 36°	Low 40°	Low 42°	Low 42°	Low 42°
High 56°	High 58°	High 60°	High 56°	High 54°

Partly Cloudy 11% Rain	Overcast 17% Rain	Mostly Cloudy 24% Rain	Overcast 62% Rain	Overcast 56% Rain