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 PM EDT OCT 19, 2026
Few Clouds 48°F
Feels Like:	48°F
Dewpoint:	41°F
Rel. Hum.:	77%
Visibility:	10 miles
Wind:	Calm
Pressure:	30.33 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 this evening, then becoming partly cloudy. Lows in the lower 40s. Light and variable winds.

TUESDAY
Partly sunny. Highs in the lower 60s. North winds around 10 mph with gusts up to 25 mph.

TUESDAY NIGHT
Mostly clear. Lows in the upper 30s. Northeast winds around 10 mph with gusts up to 20 mph.

WEDNESDAY
Partly sunny. Highs in the mid 50s. Northeast winds around 10 mph with gusts up to 20 mph.

WEDNESDAY NIGHT
Partly cloudy. Lows in the upper 30s. Light and variable winds.

THURSDAY
Partly sunny. Highs in the lower 60s.

THURSDAY NIGHT
Mostly clear. Lows in the upper 30s.

FRIDAY
Mostly sunny. Highs in the mid 50s.

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

SATURDAY
Mostly sunny. Highs in the mid 50s.

SATURDAY NIGHT
Mostly clear. Lows in the upper 30s.

SUNDAY
Sunny. Highs in the lower 60s.

SUNDAY NIGHT
Mostly clear. Lows in the lower 40s.

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 10/19/2026

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)

Monday
19 OCT 2026

2 PM

58°

57°

Clear

0% Thunder
( 0% severe)

SE 7

57%

43°

High 59°

5 PM

55°

54°

Partly Cloudy

SE 6

64%

43°

Increasing Clouds

8 PM

45°

44°

Partly Cloudy

0% Thunder
( 0% severe)

CALM

93%

43°

11 PM

42°

40°

Mostly Cloudy

N 3

100%

42°

Tuesday
20 OCT 2026

2 AM

41°

38°

Mostly Cloudy

0% Thunder
( 0% severe)

N 5

100%

41°

Low 41°

5 AM

42°

38°

Mostly Cloudy

N 7

100%

42°

High 63°

8 AM

46°

41°

Partly Cloudy

0% Thunder
( 0% severe)

NA 9

89%

43°

Mostly Cloudy

11 AM

58°

55°

Mostly Cloudy

NNE 13

62%

45°

2 PM

62°

61°

Mostly Cloudy

0% Thunder
( 0% severe)

NNE 12

50%

43°

5 PM

60°

59°

Partly Cloudy

NNE 7

55%

44°

8 PM

50°

47°

Clear

0% Thunder
( 0% severe)

NNE 8

71%

41°

11 PM

47°

42°

Partly Cloudy

NNE 10

76%

40°

Wednesday
21 OCT 2026

2 AM

43°

37°

Partly Cloudy

0% Thunder
( 0% severe)

NNE 10

86%

39°

Low 39°

5 AM

41°

34°

Partly Cloudy

NNE 12

86%

37°

High 57°

8 AM

41°

34°

Partly Cloudy

0% Thunder
( 0% severe)

NNE 12

89%

38°

Partly Cloudy

11 AM

51°

46°

Partly Cloudy

NE 13

63%

39°

2 PM

55°

52°

Partly Cloudy

0% Thunder
( 0% severe)

NE 13

53%

38°

5 PM

54°

51°

Partly Cloudy

NE 10

57%

39°

8 PM

45°

41°

Partly Cloudy

NE 7

82%

40°


PORTSMOUTH, NH extended weather forecast
Thursday 22 OCT 2026	Friday 23 OCT 2026	Saturday 24 OCT 2026	Sunday 25 OCT 2026	Monday 26 OCT 2026
Low 37°	Low 40°	Low 35°	Low 36°	Low 42°
High 61°	High 53°	High 55°	High 59°	High 60°

Partly Cloudy 5% Rain	Clear 6% Rain	Clear 7% Rain	Clear 17% Rain	Partly Cloudy 23% Rain

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PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

PORTSMOUTH, NH Current Weather

PORTSMOUTH, NH 03803 Weather Forecast

PORTSMOUTH, NH 3 hourly weather forecast

PORTSMOUTH, NH extended weather forecast

PORTSMOUTH, NH
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PORTSMOUTH, NH 03803
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