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 PM EDT MAY 23, 2026
Overcast 55°F
Feels Like:	53°F
Dewpoint:	45°F
Rel. Hum.:	69%
Visibility:	10 miles
Wind:	E at 7 mph
Pressure:	30.51 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
Cloudy. Lows in the mid 40s. Light and variable winds.

SUNDAY
Rain. Highs in the mid 50s. Light and variable winds, becoming southeast around 10 mph in the afternoon. Chance of rain near 100 percent.

SUNDAY NIGHT
Rain. Lows in the upper 40s. East winds around 10 mph. Chance of rain near 100 percent.

MEMORIAL DAY
Mostly cloudy. Showers likely, mainly in the morning. Highs in the upper 60s. Light and variable winds. Chance of rain 70 percent.

MONDAY NIGHT
Partly cloudy. Lows in the lower 50s.

TUESDAY
Partly sunny. Highs around 80.

TUESDAY NIGHT
Mostly clear. Lows in the upper 50s.

WEDNESDAY
Partly sunny. A chance of showers in the afternoon. Highs around 80. Chance of rain 30 percent.

WEDNESDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the lower 50s. Chance of rain 30 percent.

THURSDAY
Partly sunny. Highs in the upper 60s.

THURSDAY NIGHT
Partly cloudy. Lows in the upper 40s.

FRIDAY
Partly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30 percent.

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 5/23/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
23 MAY 2026

2 PM

61°

60°

Mostly Cloudy

4%

0% Thunder
( 0% severe)

E 9

48%

41°

High 62°

5 PM

58°

57°

Mostly Cloudy

ESE 7

55%

42°

Mostly Cloudy

8 PM

54°

54°

Mostly Cloudy

4%

0% Thunder
( 0% severe)

ESE 3

66%

43°

11 PM

51°

51°

Mostly Cloudy

ESE 1

80%

45°

Sunday
24 MAY 2026

2 AM

50°

50°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 0% severe)

CALM

80%

44°

Low 48°

5 AM

50°

49°

Mostly Cloudy

ESE 3

80%

44°

High 56°

8 AM

52°

50°

Mostly Cloudy

72%
RAIN
***

0% Thunder
( 1% severe)

SE 6

74%

44°

Mostly Cloudy

Rain

11 AM

52°

49°

Mostly Cloudy

SE 9

74%

44°

2 PM

51°

47°

Mostly Cloudy

93%
RAIN
***

0% Thunder
( 3% severe)

SE 10

80%

45°

5 PM

51°

47°

Mostly Cloudy

E 12

86%

47°

8 PM

51°

47°

Mostly Cloudy

96%
RAIN
***

0% Thunder
( 9% severe)

E 10

89%

48°

11 PM

51°

48°

Mostly Cloudy

E 9

100%

51°

Monday
25 MAY 2026

2 AM

51°

48°

Mostly Cloudy

72%
RAIN
>2 in

0% Thunder
( 9% severe)

E 7

100%

51°

Low 49°

5 AM

52°

50°

Mostly Cloudy

NE 6

100%

52°

High 70°

8 AM

54°

53°

Overcast

28%
RAIN
.01–.1 in

0% Thunder
( 3% severe)

NA 6

96%

53°

Mostly Cloudy

Chance of Rain

11 AM

60°

60°

Mostly Cloudy

NNW 5

81%

54°

2 PM

66°

66°

Mostly Cloudy

8%

0% Thunder
( 2% severe)

WNW 5

68%

55°

5 PM

68°

68°

Mostly Cloudy

WSW 5

70%

58°

8 PM

62°

63°

Mostly Cloudy

CALM

78%

55°


PORTSMOUTH, NH extended weather forecast
Tuesday 26 MAY 2026	Wednesday 27 MAY 2026	Thursday 28 MAY 2026	Friday 29 MAY 2026	Saturday 30 MAY 2026
Low 52°	Low 59°	Low 55°	Low 50°	Low 51°
High 78°	High 77°	High 63°	High 71°	High 61°

Mostly Cloudy 15% Rain	Partly Cloudy 19% Rain	Mostly Cloudy 43% Rain	Overcast 33% Rain	Overcast 38% Rain

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