PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
6:55 AM EDT OCT 21, 2026
Scattered Clouds 45°F
Feels Like:	39°F
Dewpoint:	34°F
Rel. Hum.:	65%
Visibility:	10 miles
Wind:	NNE at 13 mph
Pressure:	30.31 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 2026 Hurricanes	PORTSMOUTH, NH 03803 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly clear. Lows in the mid 30s. North winds around 10 mph with gusts up to 20 mph.

FRIDAY
Sunny. Highs in the mid 50s. North winds around 10 mph.

FRIDAY NIGHT
Clear. Lows in the lower 30s. Light and variable winds.

SATURDAY
Sunny. Highs in the upper 50s. Light and variable winds.

SATURDAY NIGHT
Clear. Lows in the lower 30s.

SUNDAY
Sunny. Highs in the lower 60s.

SUNDAY NIGHT
Clear. Lows in the mid 30s.

MONDAY
Mostly sunny. Highs in the mid 60s.

MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s.

TUESDAY
Mostly sunny. Highs in the mid 50s.

TUESDAY NIGHT
Mostly clear. Lows in the lower 30s.

WEDNESDAY
Mostly 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 8:00 AM EDT 10/22/2026

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
22 OCT 2026

2 PM

61°

59°

Mostly Cloudy

0% Thunder
( 0% severe)

N 12

36%

34°

High 62°

5 PM

60°

59°

Partly Cloudy

N 7

47%

40°

Decreasing Clouds

8 PM

52°

48°

Partly Cloudy

0% Thunder
( 0% severe)

N 10

63%

40°

11 PM

47°

42°

Clear

NA 12

68%

37°

Friday
23 OCT 2026

2 AM

42°

36°

Clear

0% Thunder
( 0% severe)

N 10

67%

32°

Low 36°

5 AM

38°

31°

Clear

N 10

73%

30°

High 56°

8 AM

36°

29°

Clear

0% Thunder
( 0% severe)

N 9

79%

30°

Clear

11 AM

48°

43°

Clear

N 12

45%

28°

2 PM

54°

51°

Clear

0% Thunder
( 0% severe)

N 9

30%

24°

5 PM

53°

52°

Clear

NNE 5

35%

26°

8 PM

42°

40°

Clear

0% Thunder
( 0% severe)

NNE 3

62%

30°

11 PM

37°

34°

Clear

N 3

82%

32°

Saturday
24 OCT 2026

2 AM

33°

30°

Clear

0% Thunder
( 0% severe)

NNW 2

88%

30°

Low 30°

5 AM

31°

28°

Clear

CALM

96%

30°

High 59°

8 AM

32°

29°

Clear

0% Thunder
( 0% severe)

WNW 3

96%

31°

Clear

11 AM

49°

Clear

CALM

50%

31°

2 PM

56°

Clear

0% Thunder
( 0% severe)

CALM

34%

28°

5 PM

54°

Clear

CALM

45%

33°

8 PM

43°

42°

Clear

CALM

70%

34°


PORTSMOUTH, NH extended weather forecast
Sunday 25 OCT 2026	Monday 26 OCT 2026	Tuesday 27 OCT 2026	Wednesday 28 OCT 2026	Thursday 29 OCT 2026
Low 33°	Low 37°	Low 43°	Low 33°	Low 39°
High 62°	High 64°	High 52°	High 53°	High 58°

Clear 6% Rain	Partly Cloudy 21% Rain	Clear 18% Rain	Mostly Cloudy 20% Rain	Overcast 44% Rain