PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
8:55 PM EDT JUN 12, 2026
Broken Clouds 70°F
Feels Like:	70°F
Dewpoint:	64°F
Rel. Hum.:	81%
Visibility:	10 miles
Wind:	E at 6 mph
Pressure:	29.62 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 cloudy with a chance of showers with isolated thunderstorms this evening, then partly cloudy with a slight chance of showers after midnight. Areas of fog after midnight. Lows in the mid 60s. Light and variable winds, becoming northwest around 10 mph after midnight. Chance of rain 40 percent.

SATURDAY
Mostly sunny. Warm with highs in the upper 80s. Northwest winds around 10 mph with gusts up to 20 mph.

SATURDAY NIGHT
Mostly clear. Lows in the lower 60s. West winds around 10 mph in the evening, becoming light and variable.

SUNDAY
Partly sunny. Warm with highs in the upper 80s. Light and variable winds, becoming south around 10 mph with gusts up to 25 mph in the afternoon.

SUNDAY NIGHT
Showers likely in the evening, then showers after midnight. Lows in the lower 60s. Southwest winds around 10 mph with gusts up to 25 mph. Chance of rain 90 percent.

MONDAY
Showers likely in the morning. Highs in the lower 80s. Chance of rain 70 percent.

MONDAY NIGHT
Partly cloudy. Lows in the mid 50s.

TUESDAY
Partly sunny. Highs in the upper 70s.

TUESDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the upper 50s.

WEDNESDAY
Mostly sunny. Highs in the upper 70s.

WEDNESDAY NIGHT
Partly cloudy. Lows in the upper 50s.

THURSDAY
Partly sunny with a 50 percent chance of showers. Highs in the lower 80s.

THURSDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A 50 percent chance of showers. Lows in the lower 60s.

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 6/12/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
12 JUN 2026

2 PM

83°

87°

Partly Cloudy

17%
RAIN
<.01 in

0% Thunder
( 24% severe)

ESE 6

65%

70°

High 84°

5 PM

79°

82°

Partly Cloudy

ESE 7

74%

70°

Partly Cloudy

Chance of Rain

8 PM

72°

72°

Partly Cloudy

26%
RAIN
<.01 in

0% Thunder
( 22% severe)

ESE 3

84%

67°

11 PM

67°

67°

Mostly Cloudy

CALM

93%

65°

Saturday
13 JUN 2026

2 AM

67°

67°

Partly Cloudy

1%

0% Thunder
( 1% severe)

CALM

90%

64°

Low 64°

5 AM

66°

66°

Partly Cloudy

WNW 8

84%

61°

High 88°

8 AM

70°

70°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NW 9

71%

60°

Clear

11 AM

81°

81°

Clear

NW 9

46%

58°

2 PM

87°

86°

Clear

0%

0% Thunder
( 1% severe)

NW 9

36%

57°

5 PM

86°

85°

Clear

WNW 9

37%

57°

8 PM

77°

79°

Clear

0%

0% Thunder
( 2% severe)

W 2

58%

61°

11 PM

69°

69°

Partly Cloudy

W 3

68%

58°

Sunday
14 JUN 2026

2 AM

65°

65°

Clear

0%

0% Thunder
( 0% severe)

W 5

73%

56°

Low 63°

5 AM

63°

64°

Partly Cloudy

W 2

75%

55°

High 87°

8 AM

70°

70°

Partly Cloudy

0%

0% Thunder
( 1% severe)

CALM

66%

58°

Mostly Cloudy

11 AM

82°

82°

Partly Cloudy

S 8

44%

58°

2 PM

85°

85°

Mostly Cloudy

2%

0% Thunder
( 2% severe)

S 13

41%

59°

5 PM

82°

82°

Mostly Cloudy

S 14

47%

60°

8 PM

78°

79°

Mostly Cloudy

SSW 13

50%

58°


PORTSMOUTH, NH extended weather forecast
Monday 15 JUN 2026	Tuesday 16 JUN 2026	Wednesday 17 JUN 2026	Thursday 18 JUN 2026	Friday 19 JUN 2026
Low 64°	Low 56°	Low 55°	Low 58°	Low 61°
High 78°	High 74°	High 77°	High 77°	High 77°

Partly Cloudy 65% Rain	Mostly Cloudy 21% Rain	Partly Cloudy 28% Rain	Overcast 36% Rain	Mostly Cloudy 65% Rain

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