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 26, 2026
Scattered Clouds 77°F
Feels Like:	79°F
Dewpoint:	57°F
Rel. Hum.:	50%
Visibility:	10 miles
Wind:	ESE at 13 mph
Pressure:	29.87 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
Partly cloudy. Lows in the lower 60s. Southwest winds around 10 mph.

WEDNESDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 80s. Light and variable winds, becoming northwest around 10 mph in the afternoon.

WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 50s. Light and variable winds.

THURSDAY
Mostly cloudy with a chance of showers. Cooler with highs in the mid 60s. North winds around 10 mph. Chance of rain 50 percent.

THURSDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the upper 40s. Chance of rain 50 percent.

FRIDAY
Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 30 percent.

FRIDAY NIGHT
Showers likely. Lows in the upper 40s. Chance of rain 70 percent.

SATURDAY
Showers likely. Highs around 60. Chance of rain 70 percent.

SATURDAY NIGHT
Partly cloudy with a chance of showers. Lows in the mid 40s. Chance of rain 50 percent.

SUNDAY
Partly sunny. Highs in the lower 60s.

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

MONDAY
Partly 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 AM EDT 5/26/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
26 MAY 2026

2 PM

82°

81°

Clear

0%

0% Thunder
( 1% severe)

WSW 8

40%

55°

High 83°

5 PM

82°

82°

Partly Cloudy

SSW 9

43%

57°

Increasing Clouds

8 PM

74°

74°

Partly Cloudy

1%

0% Thunder
( 1% severe)

SW 8

57%

58°

11 PM

68°

68°

Mostly Cloudy

SW 8

68%

57°

Wednesday
27 MAY 2026

2 AM

64°

64°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

WSW 8

73%

55°

Low 62°

5 AM

62°

62°

Mostly Cloudy

WSW 7

75%

54°

High 85°

8 AM

68°

68°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

WSW 7

65%

56°

Mostly Cloudy

11 AM

79°

80°

Mostly Cloudy

W 8

49%

58°

2 PM

84°

83°

Mostly Cloudy

19%
RAIN
.01–.1 in

0% Thunder
( 3% severe)

WNW 9

37%

55°

5 PM

81°

81°

Partly Cloudy

NW 8

44%

57°

8 PM

72°

72°

Partly Cloudy

4%

0% Thunder
( 1% severe)

NNW 6

57%

56°

11 PM

65°

65°

Mostly Cloudy

NNW 5

68%

54°

Thursday
28 MAY 2026

2 AM

60°

60°

Mostly Cloudy

3%

0% Thunder
( 1% severe)

NNW 5

75%

52°

Low 56°

5 AM

57°

57°

Partly Cloudy

NNW 5

80%

51°

High 69°

8 AM

61°

61°

Partly Cloudy

42%
RAIN
<.01 in

0% Thunder
( 13% severe)

N 6

70%

51°

Partly Cloudy

Chance of Rain

11 AM

66°

66°

Partly Cloudy

NNE 8

56%

50°

2 PM

65°

65°

Mostly Cloudy

43%
RAIN
.01–.1 in

0% Thunder
( 18% severe)

ENE 8

58%

50°

5 PM

63°

63°

Partly Cloudy

N 7

62%

50°

8 PM

59°

60°

Mostly Cloudy

NNE 2

69%

49°


PORTSMOUTH, NH extended weather forecast
Friday 29 MAY 2026	Saturday 30 MAY 2026	Sunday 31 MAY 2026	Monday 1 JUN 2026	Tuesday 2 JUN 2026
Low 48°	Low 48°	Low 46°	Low 51°	Low 51°
High 60°	High 58°	High 63°	High 73°	High 70°

Overcast 42% Rain	Overcast 75% Rain	Mostly Cloudy 54% Rain	Mostly Cloudy 20% Rain	Partly Cloudy 20% Rain

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