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 20, 2026
Few Clouds 39°F
Feels Like:	35°F
Dewpoint:	36°F
Rel. Hum.:	89%
Visibility:	10 miles
Wind:	NW at 5 mph
Pressure:	30.22 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
Mostly sunny. Highs in the lower 60s. Northeast winds around 10 mph with gusts up to 25 mph.

TONIGHT
Mostly clear. Lows around 40. 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 25 mph.

WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 30s. Light and variable winds.

THURSDAY
Partly sunny. Highs in the lower 60s. Light and variable winds.

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 upper 50s.

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

SUNDAY
Mostly sunny. Highs in the lower 60s.

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

MONDAY
Mostly sunny. Highs in the mid 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 10/19/2026

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)

Tuesday
20 OCT 2026

2 AM

41°

39°

Partly Cloudy

0% Thunder
( 0% severe)

N 3

100%

41°

Low 40°

5 AM

41°

36°

Partly Cloudy

NNW 7

100%

41°

High 64°

8 AM

45°

40°

Partly Cloudy

0% Thunder
( 0% severe)

N 9

89%

42°

Partly Cloudy

11 AM

57°

54°

Partly Cloudy

NNE 13

59%

43°

2 PM

61°

60°

Clear

0% Thunder
( 0% severe)

NNE 10

44%

39°

5 PM

57°

56°

Partly Cloudy

NE 7

51%

39°

8 PM

50°

47°

Clear

0% Thunder
( 0% severe)

NNE 7

74%

42°

11 PM

48°

43°

Partly Cloudy

NNE 10

77%

41°

Wednesday
21 OCT 2026

2 AM

44°

38°

Partly Cloudy

0% Thunder
( 0% severe)

NNE 10

79%

38°

Low 39°

5 AM

41°

35°

Partly Cloudy

NNE 10

82%

36°

High 57°

8 AM

41°

35°

Mostly Cloudy

0% Thunder
( 0% severe)

NNE 10

82%

36°

Mostly Cloudy

11 AM

48°

43°

Partly Cloudy

NE 12

65%

37°

2 PM

51°

47°

Partly Cloudy

0% Thunder
( 0% severe)

NE 12

52%

34°

5 PM

50°

46°

Mostly Cloudy

NE 9

52%

33°

8 PM

45°

42°

Mostly Cloudy

0% Thunder
( 0% severe)

NE 6

86%

41°

11 PM

43°

39°

Mostly Cloudy

N 6

93%

41°


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 39°	Low 33°	Low 36°	Low 42°
High 61°	High 54°	High 56°	High 61°	High 64°

Clear 3% Rain	Clear	Clear 4% Rain	Clear 11% Rain	Partly Cloudy 18% Rain

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PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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PORTSMOUTH, NH 03803 Weather Forecast

PORTSMOUTH, NH 3 hourly weather forecast

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PORTSMOUTH, NH
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PORTSMOUTH, NH 03803
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