PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
5:55 PM EDT JUN 23, 2025
Broken Clouds 84°F
Feels Like:	88°F
Dewpoint:	70°F
Rel. Hum.:	63%
Visibility:	7 miles
Wind:	SE at 12 mph
Pressure:	29.96 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
Partly cloudy this evening, then clearing. Lows in the lower 70s. South winds around 10 mph this evening, becoming light and variable.

TUESDAY
Mostly sunny. Hot with highs in the upper 90s. Light and variable winds, becoming west around 10 mph in the afternoon. Heat index values up to 105.

TUESDAY NIGHT
Mostly clear. Humid with lows in the lower 70s. Light and variable winds. Heat index values up to 100 early in the evening.

WEDNESDAY
Mostly sunny. Scattered showers in the afternoon. Warm with highs in the upper 80s. North winds around 10 mph in the morning, becoming light and variable. Chance of rain 30 percent. Heat index values in the lower 90s.

WEDNESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. Light and variable winds, becoming northeast around 10 mph after midnight.

THURSDAY
Mostly cloudy with scattered showers. Highs in the lower 70s. Chance of rain 40 percent.

THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Scattered showers. Lows in the upper 50s. Chance of rain 40 percent.

FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. Scattered showers. Highs in the upper 60s. Chance of rain 30 percent.

FRIDAY NIGHT
Mostly cloudy with scattered showers. Lows in the upper 50s. Chance of rain 50 percent.

SATURDAY
Mostly cloudy with scattered showers. Highs around 70. Chance of rain 50 percent.

SATURDAY NIGHT
Mostly cloudy with scattered showers. Lows in the lower 60s. Chance of rain 50 percent.

SUNDAY
Mostly cloudy with scattered showers in the morning, then partly sunny in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.

SUNDAY NIGHT
Partly cloudy. Lows in the mid 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 6/23/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
23 JUN 2025

2 PM

85°

88°

Partly Cloudy

1%

0% Thunder
( 10% severe)

SE 8

57%

68°

High 86°

5 PM

83°

86°

Partly Cloudy

SSE 10

59%

67°

Partly Cloudy

8 PM

78°

80°

Partly Cloudy

0%

0% Thunder
( 9% severe)

S 7

69%

67°

11 PM

75°

75°

Partly Cloudy

SSW 6

79%

68°

Tuesday
24 JUN 2025

2 AM

74°

74°

Partly Cloudy

0%

0% Thunder
( 1% severe)

WSW 6

84%

69°

Low 71°

5 AM

73°

73°

Partly Cloudy

WSW 6

87%

69°

High 99°

8 AM

81°

85°

Clear

0%

0% Thunder
( 1% severe)

W 6

72%

71°

Clear

11 AM

92°

98°

Clear

W 8

49%

70°

2 PM

97°

102°

Clear

2%

0% Thunder
( 10% severe)

W 10

39%

68°

5 PM

97°

102°

Clear

W 9

39%

68°

8 PM

89°

94°

Partly Cloudy

2%

0% Thunder
( 11% severe)

W 6

54%

70°

11 PM

83°

87°

Partly Cloudy

WNW 5

65%

70°

Wednesday
25 JUN 2025

2 AM

78°

80°

Partly Cloudy

5%

0% Thunder
( 1% severe)

WNW 5

76%

70°

Low 75°

5 AM

76°

77°

Partly Cloudy

NW 3

79%

69°

High 88°

8 AM

79°

82°

Partly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 6% severe)

NNW 5

72%

69°

Partly Cloudy

11 AM

84°

87°

Partly Cloudy

NNE 5

57%

67°

2 PM

85°

86°

Partly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 11% severe)

E 7

50%

64°

5 PM

82°

83°

Partly Cloudy

SSE 6

51%

62°

8 PM

76°

78°

Partly Cloudy

SE 3

64%

63°


PORTSMOUTH, NH extended weather forecast
Thursday 26 JUN 2025	Friday 27 JUN 2025	Saturday 28 JUN 2025	Sunday 29 JUN 2025	Monday 30 JUN 2025
Low 64°	Low 57°	Low 60°	Low 61°	Low 67°
High 75°	High 73°	High 74°	High 80°	High 86°

Overcast 14% Rain	Overcast 31% Rain	Overcast 65% Rain	Overcast 33% Rain	Mostly Cloudy 35% Rain

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