PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
6:55 PM EDT AUG 1, 2026
Broken Clouds 77°F
Feels Like:	79°F
Dewpoint:	68°F
Rel. Hum.:	74%
Visibility:	10 miles
Wind:	SSE at 8 mph
Pressure:	29.90 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
Mostly cloudy. Humid with lows in the mid 60s. Light and variable winds.

SUNDAY
Mostly cloudy in the morning, then becoming partly sunny. Humid with highs in the lower 80s. Light and variable winds, becoming south around 10 mph with gusts up to 20 mph in the afternoon.

SUNDAY NIGHT
Mostly cloudy. Showers after midnight. Humid with lows in the mid 60s. South winds around 10 mph in the evening, becoming light and variable. Chance of rain 80 percent.

MONDAY
Showers in the morning, then showers with a chance of thunderstorms in the afternoon. Humid with highs around 80. Light and variable winds. Chance of rain 90 percent.

MONDAY NIGHT
Showers with a chance of thunderstorms in the evening. Lows in the mid 60s. Chance of rain 80 percent.

TUESDAY
Mostly sunny. Highs in the lower 80s.

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
Partly sunny with a chance of showers. Warm with highs in the mid 80s. Chance of rain 50 percent.

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

FRIDAY
Partly sunny. Warm with highs in the upper 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 8/ 1/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
1 AUG 2026

2 PM

81°

83°

Mostly Cloudy

3%

0% Thunder
( 5% severe)

SE 8

60%

66°

High 82°

5 PM

79°

81°

Mostly Cloudy

SE 9

64%

66°

Mostly Cloudy

8 PM

75°

75°

Mostly Cloudy

1%

0% Thunder
( 5% severe)

SSE 6

74%

66°

11 PM

72°

72°

Mostly Cloudy

S 6

81%

66°

Sunday
2 AUG 2026

2 AM

70°

70°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

SSW 6

90%

67°

Low 68°

5 AM

68°

68°

Mostly Cloudy

SSW 6

93%

66°

High 85°

8 AM

72°

72°

Mostly Cloudy

2%

0% Thunder
( 3% severe)

SSW 7

84%

67°

Mostly Cloudy

11 AM

81°

84°

Mostly Cloudy

S 9

65%

68°

2 PM

83°

86°

Mostly Cloudy

3%

0% Thunder
( 5% severe)

S 13

59%

67°

5 PM

81°

84°

Mostly Cloudy

SSE 13

65%

68°

8 PM

77°

79°

Mostly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 14% severe)

S 9

71%

67°

11 PM

72°

72°

Mostly Cloudy

S 8

84%

67°

Monday
3 AUG 2026

2 AM

70°

70°

Mostly Cloudy

62%
RAIN
***

0% Thunder
( 17% severe)

SSE 6

93%

68°

Low 67°

5 AM

69°

69°

Overcast

SE 6

100%

69°

High 83°

8 AM

70°

70°

Mostly Cloudy

65%
RAIN
***

0% Thunder
( 17% severe)

S 7

97%

69°

Mostly Cloudy

Rain Likely

11 AM

77°

79°

Mostly Cloudy

S 8

82%

71°

2 PM

80°

83°

Mostly Cloudy

67%
RAIN
***

0% Thunder
( 38% severe)

SSW 9

74%

71°

5 PM

79°

82°

Mostly Cloudy

SSW 9

79%

72°

8 PM

76°

77°

Mostly Cloudy

SW 7

85%

71°


PORTSMOUTH, NH extended weather forecast
Tuesday 4 AUG 2026	Wednesday 5 AUG 2026	Thursday 6 AUG 2026	Friday 7 AUG 2026	Saturday 8 AUG 2026
Low 64°	Low 64°	Low 67°	Low 69°	Low 69°
High 84°	High 82°	High 85°	High 88°	High 86°

Mostly Cloudy 43% Rain	Mostly Cloudy 31% Rain	Overcast 55% Rain	Partly Cloudy 35% Rain	Partly Cloudy 30% Rain

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