PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
4:55 PM EDT JUL 6, 2025
Broken Clouds 95°F
Feels Like:	98°F
Dewpoint:	66°F
Rel. Hum.:	39%
Visibility:	10 miles
Wind:	SSW at 8 mph
Pressure:	29.88 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 afternoon, then clearing. Humid with lows around 70. Southwest winds around 10 mph. Heat index values in the upper 90s early and evening.

MONDAY
Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs around 90. Southwest winds around 10 mph with gusts up to 25 mph. Chance of rain 20 percent. Heat index values in the mid 90s.

MONDAY NIGHT
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Humid with lows around 70. Southwest winds around 10 mph. Chance of rain 30 percent. Heat index values in the lower 90s early in the evening.

TUESDAY
Mostly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. Light and variable winds. Chance of rain 70 percent.

TUESDAY NIGHT
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Humid with lows in the mid 60s. Light and variable winds. Chance of rain 70 percent.

WEDNESDAY
Mostly cloudy. Highs in the mid 70s.

WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming cloudy. Lows in the lower 60s.

THURSDAY
Cloudy. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent.

THURSDAY NIGHT
Cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40 percent.

FRIDAY
Mostly cloudy with a chance of showers. Highs in the mid 70s. Chance of rain 40 percent.

FRIDAY NIGHT
Partly cloudy with a chance of showers in the evening, then mostly cloudy after midnight. Lows in the lower 60s. Chance of rain 30 percent.

SATURDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s.

SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. 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 7/ 6/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
6 JUL 2025

2 PM

92°

96°

Mostly Cloudy

4%

0% Thunder
( 13% severe)

WSW 12

44%

67°

High 93°

5 PM

92°

95°

Partly Cloudy

WSW 12

43%

66°

Decreasing Clouds

8 PM

85°

88°

Partly Cloudy

2%

0% Thunder
( 7% severe)

SW 9

55%

67°

11 PM

80°

82°

Clear

SW 9

62%

66°

Monday
7 JUL 2025

2 AM

75°

75°

Clear

1%

0% Thunder
( 1% severe)

SW 9

69%

64°

Low 71°

5 AM

73°

73°

Partly Cloudy

SW 8

76%

65°

High 91°

8 AM

78°

80°

Partly Cloudy

2%

0% Thunder
( 2% severe)

SW 8

71%

68°

Mostly Cloudy

11 AM

86°

91°

Partly Cloudy

SW 10

59%

70°

2 PM

89°

94°

Mostly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 18% severe)

SW 13

52%

69°

5 PM

87°

92°

Mostly Cloudy

SW 13

57%

70°

8 PM

82°

86°

Mostly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 23% severe)

SSW 10

69%

71°

11 PM

78°

80°

Mostly Cloudy

SW 9

82%

72°

Tuesday
8 JUL 2025

2 AM

75°

75°

Mostly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 12% severe)

SW 8

87%

71°

Low 71°

5 AM

74°

74°

Mostly Cloudy

SW 7

90%

71°

High 85°

8 AM

77°

78°

Mostly Cloudy

29%
RAIN
.5–1 in

0% Thunder
( 14% severe)

SW 7

85%

72°

Mostly Cloudy

Rain Likely

11 AM

81°

85°

Mostly Cloudy

N 7

72%

71°

2 PM

80°

83°

Mostly Cloudy

56%
RAIN
***

0% Thunder
( 31% severe)

ENE 8

72%

70°

5 PM

78°

80°

Mostly Cloudy

NE 7

74%

69°

8 PM

74°

74°

Mostly Cloudy

NE 3

82%

68°


PORTSMOUTH, NH extended weather forecast
Wednesday 9 JUL 2025	Thursday 10 JUL 2025	Friday 11 JUL 2025	Saturday 12 JUL 2025	Sunday 13 JUL 2025
Low 67°	Low 61°	Low 59°	Low 59°	Low 60°
High 77°	High 68°	High 72°	High 73°	High 75°

Overcast 49% Rain	Overcast 65% Rain	Overcast 42% Rain	Overcast 36% Rain	Mostly Cloudy 37% Rain

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