PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
9:55 PM EDT JUL 8, 2026
Clear 68°F
Feels Like:	68°F
Dewpoint:	63°F
Rel. Hum.:	84%
Visibility:	10 miles
Wind:	SE at 5 mph
Pressure:	29.89 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
Mostly clear. Lows in the mid 60s. Light and variable winds.

THURSDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Warm with highs in the upper 80s. Light and variable winds. Chance of rain 20 percent. Heat index values in the mid 90s in the afternoon.

THURSDAY NIGHT
Partly cloudy. Humid with lows in the upper 60s. Light and variable winds. Heat index values in the lower 90s early in the evening.

FRIDAY
Partly sunny. Showers likely with a chance of thunderstorms in the afternoon. Warm with highs in the mid 80s. Light and variable winds. Chance of rain 70 percent. Heat index values in the lower 90s.

FRIDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of rain 50 percent.

SATURDAY
Partly sunny. Highs in the lower 80s.

SATURDAY NIGHT
Mostly clear. Lows in the lower 60s.

SUNDAY
Mostly sunny. Highs in the lower 80s.

SUNDAY NIGHT
Mostly clear. Lows in the lower 60s.

MONDAY
Mostly sunny. Warm with highs in the upper 80s.

MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s.

TUESDAY
Mostly sunny. Hot with highs in the lower 90s.

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/ 8/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
8 JUL 2026

2 PM

81°

82°

Clear

0%

0% Thunder
( 2% severe)

SE 6

53%

62°

High 82°

5 PM

79°

81°

Partly Cloudy

SSE 9

58%

63°

Partly Cloudy

8 PM

73°

73°

Clear

0%

0% Thunder
( 1% severe)

S 7

71%

63°

11 PM

68°

68°

Partly Cloudy

SSW 6

84%

63°

Thursday
9 JUL 2026

2 AM

67°

67°

Partly Cloudy

0%

0% Thunder
( 0% severe)

WSW 6

87%

63°

Low 65°

5 AM

65°

65°

Partly Cloudy

WSW 6

90%

62°

High 93°

8 AM

74°

74°

Partly Cloudy

1%

0% Thunder
( 2% severe)

W 6

74%

65°

Partly Cloudy

11 AM

87°

90°

Partly Cloudy

WSW 8

52%

67°

2 PM

91°

94°

Partly Cloudy

4%

0% Thunder
( 12% severe)

WSW 9

44%

66°

5 PM

91°

95°

Partly Cloudy

SW 9

47%

68°

8 PM

83°

88°

Mostly Cloudy

8%

0% Thunder
( 9% severe)

SW 7

67%

71°

11 PM

76°

77°

Mostly Cloudy

SW 7

85%

71°

Friday
10 JUL 2026

2 AM

73°

73°

Mostly Cloudy

4%

0% Thunder
( 4% severe)

WSW 6

90%

70°

Low 70°

5 AM

70°

70°

Mostly Cloudy

WSW 5

93%

68°

High 89°

8 AM

75°

75°

Mostly Cloudy

22%
RAIN
<.01 in

0% Thunder
( 9% severe)

W 5

82%

69°

Mostly Cloudy

Rain Likely

11 AM

86°

90°

Mostly Cloudy

SW 6

57%

69°

2 PM

85°

89°

Mostly Cloudy

62%
RAIN
>2 in

0% Thunder
( 34% severe)

SSW 7

59%

69°

5 PM

82°

86°

Mostly Cloudy

SW 5

69%

71°

8 PM

77°

79°

Mostly Cloudy

CALM

82%

71°


PORTSMOUTH, NH extended weather forecast
Saturday 11 JUL 2026	Sunday 12 JUL 2026	Monday 13 JUL 2026	Tuesday 14 JUL 2026	Wednesday 15 JUL 2026
Low 64°	Low 60°	Low 59°	Low 65°	Low 67°
High 78°	High 78°	High 82°	High 88°	High 81°

Partly Cloudy 38% Rain	Partly Cloudy 10% Rain	Clear 15% Rain	Partly Cloudy 21% Rain	Mostly Cloudy 30% Rain

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