PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
12:55 PM EDT MAY 30, 2026
Overcast Light Rain Mist 46°F
Feels Like:	40°F
Dewpoint:	43°F
Rel. Hum.:	89%
Visibility:	2 miles
Wind:	NNE at 12 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

THIS AFTERNOON
Showers. Highs around 50. North winds 15 to 20 mph with gusts up to 45 mph. Chance of rain near 100 percent.

TONIGHT
Partly cloudy in the evening, then clearing. Lows in the lower 40s. North winds around 10 mph with gusts up to 25 mph in the evening, becoming light and variable.

SUNDAY
Partly sunny in the morning, then mostly cloudy with a chance of rain with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Light and variable winds. Chance of rain 50 percent.

SUNDAY NIGHT
Mostly cloudy with a 50 percent chance of rain. Lows in the upper 40s. Light and variable winds.

MONDAY
Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs around 60. Northeast winds around 10 mph. Chance of rain 40 percent.

MONDAY NIGHT
Mostly clear. Lows in the mid 40s.

TUESDAY
Partly sunny. A chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 30 percent.

TUESDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the upper 40s. Chance of rain 30 percent.

WEDNESDAY
Partly sunny. Highs in the mid 60s.

WEDNESDAY NIGHT
Partly cloudy. Lows around 50.

THURSDAY
Partly sunny. Highs in the mid 70s.

THURSDAY NIGHT
Mostly clear. Lows in the mid 50s.

FRIDAY
Partly sunny. Highs in the lower 80s.

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 5/30/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
30 MAY 2026

2 PM

47°

40°

Mostly Cloudy

27%
RAIN
.01–.1 in

0% Thunder
( 4% severe)

NNE 18

80%

41°

High 53°

5 PM

52°

48°

Mostly Cloudy

NNE 13

61%

39°

Mostly Cloudy

Chance of Rain

8 PM

50°

48°

Partly Cloudy

1%

0% Thunder
( 0% severe)

NNE 5

68%

40°

11 PM

46°

45°

Partly Cloudy

NW 3

79%

40°

Sunday
31 MAY 2026

2 AM

43°

41°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NW 3

86%

39°

Low 42°

5 AM

42°

39°

Partly Cloudy

WNW 5

89%

39°

High 68°

8 AM

52°

52°

Partly Cloudy

16%
RAIN
<.01 in

0% Thunder
( 3% severe)

NW 3

69%

42°

Mostly Cloudy

Rain Likely

11 AM

64°

65°

Mostly Cloudy

NNW 3

45%

42°

2 PM

65°

65°

Mostly Cloudy

55%
RAIN
1–2 in

0% Thunder
( 15% severe)

SSE 6

48%

45°

5 PM

62°

62°

Mostly Cloudy

NW 6

60%

48°

8 PM

57°

57°

Mostly Cloudy

41%
RAIN
.25–.5 in

0% Thunder
( 8% severe)

SSW 3

75%

49°

11 PM

52°

52°

Partly Cloudy

WSW 3

89%

49°

Monday
1 JUN 2026

2 AM

50°

50°

Mostly Cloudy

30%
RAIN
.25–.5 in

0% Thunder
( 5% severe)

WNW 1

93%

48°

Low 48°

5 AM

48°

47°

Mostly Cloudy

N 3

96%

47°

High 60°

8 AM

52°

50°

Mostly Cloudy

37%
RAIN
.5–1 in

0% Thunder
( 5% severe)

NE 6

86%

48°

Mostly Cloudy

Chance of Rain

11 AM

56°

54°

Mostly Cloudy

ENE 9

69%

46°

2 PM

57°

55°

Mostly Cloudy

4%

0% Thunder
( 1% severe)

ENE 9

62%

44°

5 PM

57°

55°

Partly Cloudy

ESE 8

57%

42°

8 PM

52°

52°

Clear

S 3

71%

43°


PORTSMOUTH, NH extended weather forecast
Tuesday 2 JUN 2026	Wednesday 3 JUN 2026	Thursday 4 JUN 2026	Friday 5 JUN 2026	Saturday 6 JUN 2026
Low 46°	Low 50°	Low 54°	Low 51°	Low 59°
High 72°	High 78°	High 71°	High 70°	High 79°

Partly Cloudy 4% Rain	Partly Cloudy 13% Rain	Partly Cloudy 23% Rain	Mostly Cloudy 24% Rain	Partly Cloudy 33% Rain

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