PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
1:55 PM EDT JUL 4, 2026
Broken Clouds 90°F
Feels Like:	92°F
Dewpoint:	66°F
Rel. Hum.:	45%
Visibility:	10 miles
Wind:	W at 9 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 2025 Hurricanes	PORTSMOUTH, NH 03803 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TODAY
Partly sunny. Scattered showers and thunderstorms this afternoon. Hot with highs in the lower 90s. West winds 10 to 15 mph. Chance of rain 30 percent. Heat index values in the mid 90s.

TONIGHT
Partly cloudy. Scattered showers and thunderstorms in the evening. Lows in the mid 60s. Northwest winds around 10 mph in the evening, becoming light and variable. Chance of rain 30 percent.

SUNDAY
Partly sunny. Highs around 80. Light and variable winds.

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

MONDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 70s. Light and variable winds.

MONDAY NIGHT
Partly cloudy with a chance of showers. Lows around 60. Chance of rain 40 percent.

TUESDAY
Partly sunny with a 40 percent chance of showers. Highs in the mid 70s.

TUESDAY NIGHT
Partly cloudy. A chance of showers after midnight. Lows in the upper 50s. Chance of rain 30 percent.

WEDNESDAY
Partly sunny. Highs around 80.

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

THURSDAY
Partly sunny. Hot with highs in the lower 90s.

THURSDAY NIGHT
Partly cloudy. Lows in the upper 60s.

FRIDAY
Partly sunny. A chance of showers in the afternoon. Hot with highs in the lower 90s. Chance of rain 50 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 7/ 4/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
4 JUL 2026

2 PM

91°

94°

Partly Cloudy

23%
RAIN
.1–.25 in

0% Thunder
( 15% severe)

WNW 12

44%

66°

High 92°

5 PM

89°

91°

Partly Cloudy

NW 10

45%

65°

Partly Cloudy

Chance of Rain

8 PM

81°

82°

Mostly Cloudy

5%

0% Thunder
( 5% severe)

NW 7

53%

62°

11 PM

73°

73°

Partly Cloudy

NNW 5

64%

60°

Sunday
5 JUL 2026

2 AM

68°

68°

Partly Cloudy

2%

0% Thunder
( 0% severe)

NNW 3

73%

59°

Low 65°

5 AM

65°

65°

Partly Cloudy

NNW 2

78%

58°

High 83°

8 AM

71°

71°

Partly Cloudy

1%

0% Thunder
( 0% severe)

CALM

68%

60°

Partly Cloudy

11 AM

80°

81°

Partly Cloudy

E 5

47%

58°

2 PM

80°

81°

Partly Cloudy

1%

0% Thunder
( 1% severe)

SE 8

47%

58°

5 PM

78°

79°

Partly Cloudy

SE 9

52%

59°

8 PM

73°

73°

Mostly Cloudy

1%

0% Thunder
( 2% severe)

SE 5

62%

59°

11 PM

68°

68°

Mostly Cloudy

CALM

76%

60°

Monday
6 JUL 2026

2 AM

66°

66°

Mostly Cloudy

5%

0% Thunder
( 0% severe)

CALM

81%

60°

Low 63°

5 AM

63°

64°

Mostly Cloudy

CALM

90%

60°

High 77°

8 AM

67°

67°

Mostly Cloudy

24%
RAIN
.5–1 in

0% Thunder
( 0% severe)

CALM

78%

60°

Mostly Cloudy

Chance of Rain

11 AM

73°

73°

Mostly Cloudy

SSE 6

64%

60°

2 PM

74°

74°

Mostly Cloudy

30%
RAIN
***

0% Thunder
( 3% severe)

SE 8

59%

59°

5 PM

72°

72°

Mostly Cloudy

ESE 8

64%

59°

8 PM

68°

68°

Mostly Cloudy

ESE 6

76%

60°


PORTSMOUTH, NH extended weather forecast
Tuesday 7 JUL 2026	Wednesday 8 JUL 2026	Thursday 9 JUL 2026	Friday 10 JUL 2026	Saturday 11 JUL 2026
Low 58°	Low 58°	Low 63°	Low 67°	Low 61°
High 65°	High 77°	High 87°	High 81°	High 79°

Overcast 100% Rain	Mostly Cloudy 51% Rain	Partly Cloudy 26% Rain	Partly Cloudy 31% Rain	Partly Cloudy 20% Rain

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