PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
4:55 PM EDT JUL 30, 2026
Overcast 70°F
Feels Like:	70°F
Dewpoint:	63°F
Rel. Hum.:	78%
Visibility:	10 miles
Wind:	ENE at 8 mph
Pressure:	29.78 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
Partly cloudy. A chance of showers in the evening. Patchy fog. Lows in the upper 50s. North winds around 10 mph in the evening, becoming light and variable. Chance of rain 30 percent.

FRIDAY
Partly sunny. Patchy fog in the morning. A slight chance of showers in the afternoon. Humid with highs in the upper 70s. Light and variable winds. Chance of rain 20 percent.

FRIDAY NIGHT
Mostly clear. Humid with lows in the lower 60s. Light and variable winds.

SATURDAY
Partly sunny. Humid with highs in the lower 80s. Light and variable winds.

SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s.

SUNDAY
Partly sunny. Highs in the lower 80s.

SUNDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows in the mid 60s.

MONDAY
Mostly cloudy with a chance of showers. Highs in the lower 80s. Chance of rain 50 percent.

MONDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the lower 60s. Chance of rain 50 percent.

TUESDAY
Mostly sunny. Highs in the lower 80s.

TUESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.

WEDNESDAY
Mostly sunny. Highs in the mid 80s.

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 7/30/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
30 JUL 2026

2 PM

71°

71°

Mostly Cloudy

48%
RAIN
.01–.1 in

0% Thunder
( 14% severe)

NE 10

76%

63°

High 72°

5 PM

71°

71°

Mostly Cloudy

NE 7

73%

62°

Mostly Cloudy

Chance of Rain

8 PM

68°

68°

Mostly Cloudy

15%
RAIN
.01–.1 in

0% Thunder
( 7% severe)

N 3

84%

63°

11 PM

64°

65°

Mostly Cloudy

WNW 3

97%

63°

Friday
31 JUL 2026

2 AM

63°

64°

Mostly Cloudy

6%

0% Thunder
( 0% severe)

NW 3

100%

63°

Low 61°

5 AM

62°

63°

Partly Cloudy

WNW 3

100%

62°

High 82°

8 AM

66°

66°

Partly Cloudy

4%

0% Thunder
( 4% severe)

NNW 2

90%

63°

Partly Cloudy

Chance of Rain

11 AM

77°

79°

Partly Cloudy

CALM

64%

64°

2 PM

79°

81°

Partly Cloudy

29%
RAIN
.1–.25 in

0% Thunder
( 14% severe)

SSE 6

58%

63°

5 PM

78°

80°

Partly Cloudy

S 7

62%

64°

8 PM

72°

72°

Partly Cloudy

4%

0% Thunder
( 7% severe)

S 5

79%

65°

11 PM

67°

67°

Partly Cloudy

SW 3

93%

65°

Saturday
1 AUG 2026

2 AM

64°

66°

Clear

0%

0% Thunder
( 0% severe)

CALM

100%

64°

Low 63°

5 AM

63°

64°

Partly Cloudy

CALM

100%

63°

High 85°

8 AM

69°

69°

Partly Cloudy

0%

0% Thunder
( 1% severe)

CALM

87%

65°

Mostly Cloudy

11 AM

81°

83°

Partly Cloudy

SSE 3

60%

66°

2 PM

82°

84°

Mostly Cloudy

1%

0% Thunder
( 5% severe)

SSE 8

56%

65°

5 PM

80°

82°

Mostly Cloudy

SSE 10

62%

66°

8 PM

75°

75°

Mostly Cloudy

S 7

76%

67°


PORTSMOUTH, NH extended weather forecast
Sunday 2 AUG 2026	Monday 3 AUG 2026	Tuesday 4 AUG 2026	Wednesday 5 AUG 2026	Thursday 6 AUG 2026
Low 67°	Low 67°	Low 63°	Low 63°	Low 67°
High 84°	High 79°	High 73°	High 83°	High 84°

Mostly Cloudy 28% Rain	Overcast 65% Rain	Overcast 67% Rain	Overcast 65% Rain	Mostly Cloudy 44% Rain

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