PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
11:55 AM EDT JUL 3, 2026
Scattered Clouds 91°F
Feels Like:	97°F
Dewpoint:	70°F
Rel. Hum.:	50%
Visibility:	10 miles
Wind:	WNW at 10 mph
Pressure:	29.85 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 2025 Hurricanes	PORTSMOUTH, NH 03803 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Mostly sunny. Hot with highs in the mid 90s. West winds around 10 mph. Heat index values up to 104.

TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Scattered showers with isolated thunderstorms. Humid with lows in the lower 70s. West winds around 10 mph in the evening, becoming light and variable. Chance of rain 30 percent. Heat index values up to 100 early in the evening.

INDEPENDENCE DAY
Partly sunny. A chance of showers in the afternoon. Hot with highs in the lower 90s. Light and variable winds, becoming northwest around 10 mph in the afternoon. Chance of rain 40 percent. Heat index values in the upper 90s.

SATURDAY NIGHT
Mostly clear. Lows in the mid 60s. Light and variable winds.

SUNDAY
Partly sunny. Highs in the lower 80s. Light and variable winds.

SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s.

MONDAY
Partly sunny. Highs in the upper 70s.

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

TUESDAY
Partly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 50 percent.

TUESDAY NIGHT
Partly cloudy. Lows in the lower 60s.

WEDNESDAY
Partly sunny. Highs in the lower 80s.

WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 60s.

THURSDAY
Mostly sunny. Hot with highs around 90.

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 7/ 2/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
3 JUL 2026

2 AM

79°

82°

Partly Cloudy

1%

0% Thunder
( 0% severe)

W 6

74%

70°

Low 75°

5 AM

76°

77°

Partly Cloudy

W 6

79%

69°

High 99°

8 AM

82°

86°

Clear

0%

0% Thunder
( 0% severe)

WNW 7

69%

71°

Partly Cloudy

11 AM

94°

100°

Partly Cloudy

WNW 9

46%

70°

2 PM

98°

101°

Clear

3%

0% Thunder
( 8% severe)

W 10

34%

65°

5 PM

97°

100°

Partly Cloudy

W 9

35%

65°

8 PM

88°

93°

Partly Cloudy

16%
RAIN
<.01 in

0% Thunder
( 6% severe)

W 5

54%

69°

11 PM

80°

83°

Partly Cloudy

W 5

67%

68°

Saturday
4 JUL 2026

2 AM

76°

77°

Partly Cloudy

6%

0% Thunder
( 1% severe)

W 5

76%

68°

Low 73°

5 AM

73°

73°

Partly Cloudy

W 6

79%

66°

High 93°

8 AM

79°

81°

Partly Cloudy

14%
RAIN
.1–.25 in

0% Thunder
( 5% severe)

WNW 7

69%

68°

Partly Cloudy

11 AM

90°

93°

Partly Cloudy

W 9

47%

67°

2 PM

91°

94°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 10% severe)

WNW 10

44%

66°

5 PM

89°

91°

Partly Cloudy

WNW 9

45%

65°

8 PM

82°

84°

Partly Cloudy

3%

0% Thunder
( 4% severe)

NW 7

55%

64°

11 PM

74°

74°

Clear

NW 6

66%

62°


PORTSMOUTH, NH extended weather forecast
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
Low 73°	Low 66°	Low 62°	Low 60°	Low 57°
High 91°	High 83°	High 80°	High 74°	High 77°

Partly Cloudy 36% Rain	Partly Cloudy 17% Rain	Mostly Cloudy 13% Rain	Mostly Cloudy 25% Rain	Partly Cloudy 24% Rain

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