PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
5:55 AM EDT OCT 19, 2026
Clear 36°F
Feels Like:	34°F
Dewpoint:	34°F
Rel. Hum.:	92%
Visibility:	10 miles
Wind:	NW at 3 mph
Pressure:	30.50 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 2026 Hurricanes	PORTSMOUTH, NH 03803 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Partly sunny. Highs in the upper 50s. Light and variable winds.

TONIGHT
Partly cloudy. Lows in the upper 30s. 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
Partly cloudy in the evening, then clearing. Lows in the upper 30s. Northeast winds around 10 mph with gusts up to 20 mph.

WEDNESDAY
Mostly sunny. Highs in the mid 50s. Northeast winds around 10 mph with gusts up to 25 mph.

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

THURSDAY
Mostly 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 mid 30s.

SUNDAY
Mostly sunny. Highs in the lower 60s.

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 PM EDT 10/18/2026

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 AM

37°

35°

Clear

0% Thunder
( 0% severe)

CALM

96%

36°

Low 35°

5 AM

36°

34°

Clear

CALM

96%

35°

High 58°

8 AM

37°

35°

Clear

0% Thunder
( 0% severe)

CALM

96%

36°

Partly Cloudy

11 AM

53°

Clear

CALM

59%

39°

2 PM

57°

56°

Partly Cloudy

0% Thunder
( 0% severe)

SE 7

55%

41°

5 PM

55°

54°

Partly Cloudy

SE 6

61%

42°

8 PM

43°

42°

Partly Cloudy

0% Thunder
( 0% severe)

CALM

93%

41°

11 PM

40°

38°

Partly Cloudy

N 3

100%

40°

Tuesday
20 OCT 2026

2 AM

39°

35°

Mostly Cloudy

0% Thunder
( 0% severe)

N 6

100%

39°

Low 39°

5 AM

40°

35°

Mostly Cloudy

N 8

100%

40°

High 62°

8 AM

45°

40°

Mostly Cloudy

0% Thunder
( 0% severe)

N 9

86%

41°

Mostly Cloudy

11 AM

56°

53°

Mostly Cloudy

NNE 13

62%

43°

2 PM

61°

59°

Mostly Cloudy

0% Thunder
( 0% severe)

NNE 12

46%

40°

5 PM

59°

58°

Mostly Cloudy

NNE 8

51%

41°

8 PM

48°

44°

Partly Cloudy

0% Thunder
( 0% severe)

NNE 8

65%

37°

11 PM

45°

40°

Partly Cloudy

NNE 10

73%

37°


PORTSMOUTH, NH extended weather forecast
Wednesday 21 OCT 2026	Thursday 22 OCT 2026	Friday 23 OCT 2026	Saturday 24 OCT 2026	Sunday 25 OCT 2026
Low 41°	Low 37°	Low 40°	Low 35°	Low 36°
High 54°	High 61°	High 53°	High 55°	High 59°

Partly Cloudy 11% Rain	Partly Cloudy 5% Rain	Clear 6% Rain	Clear 7% Rain	Clear 17% 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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