PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
10:55 AM EDT JUL 1, 2026
Broken Clouds 84°F
Feels Like:	90°F
Dewpoint:	73°F
Rel. Hum.:	70%
Visibility:	10 miles
Wind:	WNW at 13 mph, gusts to 20
Pressure:	29.90 inches
Last 72 hours
Local Area Snow Depth
New Hampshire Current Weather
New Hampshire MOS Forecast Weather

Weather Map

(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

TODAY
Partly sunny. A slight chance of showers and thunderstorms this morning. Hot with highs in the mid 90s. Light and variable winds. Chance of rain 20 percent. Heat index values up to 112 this afternoon.

TONIGHT
Partly cloudy in the evening, then clearing. Humid with lows in the mid 70s. Light and variable winds. Heat index values up to 109 early in the evening.

THURSDAY
Mostly sunny. Hot with highs around 100. Light and variable winds. Heat index values up to 116.

THURSDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. Light and variable winds. Heat index values up to 111 early in the evening.

FRIDAY
Mostly sunny. Hot with highs around 99. West winds around 10 mph. Heat index values up to 111.

FRIDAY NIGHT
Mostly clear. Lows in the lower 70s.

INDEPENDENCE DAY
Partly sunny. A chance of showers in the afternoon. Hot with highs in the mid 90s. Chance of rain 30 percent.

SATURDAY NIGHT
A chance of showers in the evening. Partly cloudy. Lows in the upper 60s. Chance of rain 30 percent.

SUNDAY
Partly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.

SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows in the mid 60s. Chance of rain 50 percent.

MONDAY
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs in the upper 70s.

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

TUESDAY
Partly sunny. Highs around 80.

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 PM EDT 6/30/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
1 JUL 2026

2 AM

71°

71°

Mostly Cloudy

26%
RAIN
<.01 in

0% Thunder
( 31% severe)

SSW 8

84%

66°

Low 67°

5 AM

68°

68°

Partly Cloudy

SSW 8

87%

64°

High 97°

8 AM

75°

75°

Partly Cloudy

27%
RAIN
<.01 in

0% Thunder
( 11% severe)

SW 8

74%

66°

Partly Cloudy

Chance of Rain

11 AM

89°

95°

Partly Cloudy

WSW 8

56%

71°

2 PM

95°

104°

Partly Cloudy

14%
RAIN
.5–1 in

0% Thunder
( 19% severe)

WSW 8

48%

72°

5 PM

94°

106°

Partly Cloudy

SSW 8

54%

75°

8 PM

88°

99°

Partly Cloudy

5%

0% Thunder
( 15% severe)

SSW 7

68%

76°

11 PM

82°

88°

Partly Cloudy

SW 8

77%

74°

Thursday
2 JUL 2026

2 AM

79°

82°

Partly Cloudy

3%

0% Thunder
( 2% severe)

SW 8

82%

73°

Low 76°

5 AM

76°

76°

Partly Cloudy

WSW 7

87%

72°

High 103°

8 AM

83°

89°

Clear

3%

0% Thunder
( 4% severe)

W 7

72%

73°

Partly Cloudy

11 AM

96°

107°

Partly Cloudy

W 7

49%

74°

2 PM

100°

110°

Partly Cloudy

6%

0% Thunder
( 18% severe)

W 7

41%

72°

5 PM

100°

113°

Clear

W 7

44%

74°

8 PM

91°

102°

Partly Cloudy

1%

0% Thunder
( 15% severe)

W 6

60%

75°

11 PM

85°

91°

Clear

W 7

65%

72°


PORTSMOUTH, NH extended weather forecast
Friday 3 JUL 2026	Saturday 4 JUL 2026	Sunday 5 JUL 2026	Monday 6 JUL 2026	Tuesday 7 JUL 2026
Low 74°	Low 72°	Low 67°	Low 63°	Low 63°
High 97°	High 90°	High 80°	High 80°	High 81°

Partly Cloudy 11% Rain	Mostly Cloudy 61% Rain	Overcast 70% Rain	Mostly Cloudy 40% Rain	Partly Cloudy 29% Rain

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