PORTSMOUTH, NH 03804 Weather Forecast & Current Conditions

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03804 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
3:55 PM EDT JUL 16, 2025
Few Clouds 90°F
Feels Like:	96°F
Dewpoint:	70°F
Rel. Hum.:	52%
Visibility:	10 miles
Wind:	SE at 10 mph
Pressure:	29.95 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)

03804 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	PORTSMOUTH, NH 03804 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Mostly sunny. Warm with highs in the upper 80s. Southeast winds around 10 mph. Heat index values in the mid 90s.

TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 70s. South winds around 10 mph in the evening, becoming light and variable. Heat index values in the lower 90s early in the evening.

THURSDAY
Partly sunny with scattered showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Warm with highs in the upper 80s. South winds around 10 mph. Chance of rain 50 percent. Heat index values in the mid 90s.

THURSDAY NIGHT
Partly cloudy. Humid with lows around 70. Southwest winds around 10 mph, becoming west after midnight. Heat index values in the lower 90s early in the evening.

FRIDAY
Mostly sunny. Less humid with highs in the lower 80s. Northwest winds around 10 mph.

FRIDAY NIGHT
Mostly clear. Lows in the upper 50s.

SATURDAY
Mostly sunny. Highs around 80.

SATURDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent.

SUNDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent.

SUNDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 60. Chance of rain 50 percent.

MONDAY
Mostly sunny. Highs in the upper 70s.

MONDAY NIGHT
Mostly clear. Lows in the upper 50s.

TUESDAY
Partly sunny. Highs in the upper 70s.

03804 WEATHER SATELLITE LOOPS

Visible Weather Satellite
PORTSMOUTH, NH 03804

Infrared Weather Satellite
PORTSMOUTH, NH 03804

03804 WEATHER RADAR LOOP

NEXRAD Weather Radar
PORTSMOUTH, NH 03804

MOS COMPUTER WEATHER FORECAST

PORTSMOUTH, NH 3 hourly weather forecast

weather forecast created 8:00 AM EDT 7/16/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
16 JUL 2025

2 PM

88°

92°

Clear

2%

0% Thunder
( 12% severe)

SSE 8

52%

68°

High 89°

5 PM

87°

91°

Clear

SSE 9

55%

69°

Clear

8 PM

80°

83°

Clear

1%

0% Thunder
( 9% severe)

SSE 8

72%

70°

11 PM

78°

80°

Partly Cloudy

SSW 7

76%

70°

Thursday
17 JUL 2025

2 AM

75°

75°

Partly Cloudy

5%

0% Thunder
( 5% severe)

SSW 6

84%

70°

Low 72°

5 AM

73°

73°

Mostly Cloudy

S 6

93%

71°

High 87°

8 AM

77°

78°

Mostly Cloudy

44%
RAIN
***

0% Thunder
( 23% severe)

S 7

85%

72°

Mostly Cloudy

Chance of Rain

11 AM

82°

88°

Mostly Cloudy

S 9

77%

74°

2 PM

84°

90°

Mostly Cloudy

46%
RAIN
***

0% Thunder
( 35% severe)

SSW 12

70%

73°

5 PM

84°

90°

Partly Cloudy

SSW 10

70%

73°

8 PM

81°

85°

Partly Cloudy

8%

0% Thunder
( 15% severe)

SSW 8

74%

72°

11 PM

78°

80°

Partly Cloudy

SW 8

82%

72°

Friday
18 JUL 2025

2 AM

75°

75°

Partly Cloudy

2%

0% Thunder
( 1% severe)

W 8

84%

70°

Low 71°

5 AM

73°

73°

Partly Cloudy

WNW 8

79%

66°

High 83°

8 AM

73°

73°

Partly Cloudy

2%

0% Thunder
( 0% severe)

WNW 10

71%

63°

Partly Cloudy

11 AM

78°

79°

Partly Cloudy

NW 10

54%

60°

2 PM

81°

81°

Clear

4%

0% Thunder
( 1% severe)

NW 10

46%

58°

5 PM

80°

80°

Clear

NW 8

44%

56°

8 PM

73°

73°

Partly Cloudy

WNW 5

57%

57°


PORTSMOUTH, NH extended weather forecast
Saturday 19 JUL 2025	Sunday 20 JUL 2025	Monday 21 JUL 2025	Tuesday 22 JUL 2025	Wednesday 23 JUL 2025
Low 58°	Low 62°	Low 61°	Low 60°	Low 65°
High 80°	High 75°	High 77°	High 82°	High 85°

Partly Cloudy 7% Rain	Overcast 61% Rain	Partly Cloudy 25% Rain	Partly Cloudy 17% Rain	Partly Cloudy 36% Rain

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