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 AM EDT MAY 14, 2026
Broken Clouds 54°F
Feels Like:	53°F
Dewpoint:	48°F
Rel. Hum.:	80%
Visibility:	10 miles
Wind:	SE at 5 mph
Pressure:	29.85 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)

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

TODAY
A chance of rain this morning, then rain with a slight chance of thunderstorms this afternoon. Highs in the upper 50s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

TONIGHT
A slight chance of thunderstorms in the evening. Rain. Lows in the mid 40s. East winds around 10 mph. Chance of rain near 100 percent.

FRIDAY
Rain. Highs in the lower 50s. Northeast winds around 10 mph. Chance of rain 80 percent.

FRIDAY NIGHT
Mostly cloudy in the evening, then clearing. Lows in the upper 40s. Light and variable winds.

SATURDAY
Mostly sunny. Highs in the lower 70s. Light and variable winds.

SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s.

SUNDAY
Partly sunny. A chance of showers in the morning. Highs in the mid 70s. Chance of rain 30 percent.

SUNDAY NIGHT
Mostly clear. Lows in the lower 50s.

MONDAY
Mostly sunny. Highs in the upper 60s.

MONDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the lower 50s.

TUESDAY
Partly sunny. Highs in the lower 80s.

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

WEDNESDAY
Partly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.

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 PM EDT 5/13/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
14 MAY 2026

2 AM

52°

49°

Mostly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 4% severe)

SSE 8

83%

47°

Low 51°

5 AM

52°

49°

Mostly Cloudy

SE 8

86%

48°

High 60°

8 AM

54°

51°

Mostly Cloudy

77%
RAIN
***

0% Thunder
( 8% severe)

SE 9

86%

50°

Mostly Cloudy

Rain

11 AM

57°

54°

Mostly Cloudy

SE 12

75%

49°

2 PM

56°

53°

Mostly Cloudy

98%
RAIN
***

0% Thunder
( 22% severe)

E 12

77%

49°

5 PM

53°

50°

Mostly Cloudy

E 10

86%

49°

8 PM

51°

47°

Mostly Cloudy

89%
RAIN
***

0% Thunder
( 19% severe)

E 10

93%

49°

11 PM

50°

46°

Mostly Cloudy

E 9

96%

49°

Friday
15 MAY 2026

2 AM

48°

44°

Overcast

85%
RAIN
***

0% Thunder
( 11% severe)

ENE 9

100%

48°

Low 46°

5 AM

48°

44°

Overcast

NE 8

100%

48°

High 57°

8 AM

49°

45°

Overcast

84%
RAIN
***

0% Thunder
( 6% severe)

NE 9

96%

48°

Mostly Cloudy

Rain Likely

11 AM

51°

48°

Mostly Cloudy

NE 9

89%

48°

2 PM

53°

50°

Mostly Cloudy

35%
RAIN
.01–.1 in

0% Thunder
( 3% severe)

NE 8

80%

47°

5 PM

54°

53°

Mostly Cloudy

NNE 5

80%

48°

8 PM

52°

52°

Mostly Cloudy

6%

0% Thunder
( 1% severe)

CALM

86%

48°

11 PM

50°

49°

Mostly Cloudy

W 3

89%

47°


PORTSMOUTH, NH extended weather forecast
Saturday 16 MAY 2026	Sunday 17 MAY 2026	Monday 18 MAY 2026	Tuesday 19 MAY 2026	Wednesday 20 MAY 2026
Low 46°	Low 56°	Low 57°	Low 55°	Low 62°
High 75°	High 80°	High 71°	High 85°	High 76°

Mostly Cloudy 12% Rain	Partly Cloudy 12% Rain	Partly Cloudy 20% Rain	Overcast 31% Rain	Partly Cloudy 40% Rain

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