PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
8:55 PM EDT MAY 14, 2026
Overcast Light Rain Mist NA
Feels Like:	NA
Dewpoint:	NA
Rel. Hum.:	NA%
Visibility:	3 miles
Wind:	NNE at 9 mph
Pressure:
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
Rain with a slight chance of thunderstorms this evening, then rain after midnight. Areas of fog. Lows in the mid 40s. East winds around 10 mph. Chance of rain near 100 percent.

FRIDAY
Patchy fog in the morning. Rain. Highs in the upper 50s. Northeast winds around 10 mph. Chance of rain 90 percent.

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

SATURDAY
Mostly sunny. Highs in the mid 70s. Light and variable winds, becoming southwest around 10 mph in the afternoon.

SATURDAY NIGHT
Partly cloudy. Lows in the mid 50s. Southwest winds around 10 mph.

SUNDAY
Mostly sunny. Highs around 80.

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

MONDAY
Partly sunny. Highs in the upper 60s.

MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 50s.

TUESDAY
Partly sunny. Highs in the mid 80s.

TUESDAY NIGHT
Partly cloudy. Lows in the lower 60s.

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

WEDNESDAY NIGHT
Partly cloudy with a 40 percent chance of showers. Lows in the mid 50s.

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 5/14/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
14 MAY 2026

2 PM

57°

54°

Mostly Cloudy

98%
RAIN
***

0% Thunder
( 25% severe)

ESE 12

77%

50°

High 58°

5 PM

53°

49°

Mostly Cloudy

E 12

90%

50°

Mostly Cloudy

Rain

8 PM

50°

46°

Mostly Cloudy

100%
RAIN
***

0% Thunder
( 20% severe)

E 10

93%

48°

11 PM

49°

45°

Mostly Cloudy

ENE 10

96%

48°

Friday
15 MAY 2026

2 AM

48°

44°

Mostly Cloudy

97%
RAIN
***

0% Thunder
( 7% severe)

ENE 9

100%

48°

Low 47°

5 AM

48°

43°

Mostly Cloudy

NE 10

100%

48°

High 58°

8 AM

49°

45°

Mostly Cloudy

85%
RAIN
***

0% Thunder
( 3% severe)

NE 9

96%

48°

Mostly Cloudy

Rain Likely

11 AM

52°

49°

Mostly Cloudy

NE 8

86%

48°

2 PM

54°

52°

Mostly Cloudy

29%
RAIN
.01–.1 in

0% Thunder
( 2% severe)

NE 7

80%

48°

5 PM

55°

55°

Mostly Cloudy

NNE 3

77%

48°

8 PM

53°

53°

Mostly Cloudy

4%

0% Thunder
( 1% severe)

CALM

83%

48°

11 PM

50°

49°

Partly Cloudy

WSW 3

93%

48°

Saturday
16 MAY 2026

2 AM

49°

47°

Clear

0%

0% Thunder
( 0% severe)

W 5

93%

47°

Low 48°

5 AM

48°

46°

Clear

W 5

96%

47°

High 75°

8 AM

55°

54°

Partly Cloudy

0%

0% Thunder
( 0% severe)

WSW 6

83%

50°

Partly Cloudy

11 AM

67°

67°

Clear

WSW 8

52%

49°

2 PM

72°

72°

Partly Cloudy

0%

0% Thunder
( 0% severe)

SW 10

43%

48°

5 PM

72°

72°

Clear

SW 10

44%

49°

8 PM

65°

65°

Partly Cloudy

SW 7

54%

48°


PORTSMOUTH, NH extended weather forecast
Sunday 17 MAY 2026	Monday 18 MAY 2026	Tuesday 19 MAY 2026	Wednesday 20 MAY 2026	Thursday 21 MAY 2026
Low 56°	Low 57°	Low 55°	Low 62°	Low 50°
High 80°	High 71°	High 85°	High 76°	High 67°

Partly Cloudy 12% Rain	Partly Cloudy 20% Rain	Overcast 31% Rain	Partly Cloudy 40% Rain	Mostly Cloudy 19% Rain

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