PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
7:55 PM EDT APR 30, 2026
Overcast Mist 48°F
Feels Like:	47°F
Dewpoint:	48°F
Rel. Hum.:	100%
Visibility:	3 miles
Wind:	SE at 3 mph
Pressure:	29.70 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
Mostly cloudy. A chance of showers this evening. Lows in the lower 40s. Light and variable winds. Chance of rain 30 percent.

FRIDAY
Mostly sunny. Highs around 60. Northwest winds around 10 mph.

FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Chance of frost in sheltered locations after midnight. Lows around 40. Light and variable winds.

SATURDAY
Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the mid 50s. Light and variable winds. Chance of rain 30 percent.

SATURDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows in the lower 40s.

SUNDAY
Mostly cloudy with a 50 percent chance of showers. Highs in the mid 50s.

SUNDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the upper 30s.

MONDAY
Partly sunny. Highs in the lower 60s.

MONDAY NIGHT
Partly cloudy. Lows in the upper 40s.

TUESDAY
Partly sunny. Highs in the lower 70s.

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

WEDNESDAY
Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30 percent.

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 4/30/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
30 APR 2026

2 PM

51°

51°

Mostly Cloudy

54%
RAIN
.25–.5 in

0% Thunder
( 3% severe)

SW 2

83%

46°

High 53°

5 PM

52°

52°

Mostly Cloudy

SSW 2

80%

46°

Mostly Cloudy

Rain Likely

8 PM

49°

49°

Mostly Cloudy

17%
RAIN
.01–.1 in

0% Thunder
( 1% severe)

WSW 1

86%

45°

11 PM

49°

49°

Mostly Cloudy

W 2

86%

45°

Friday
1 MAY 2026

2 AM

47°

46°

Mostly Cloudy

6%

0% Thunder
( 0% severe)

WNW 3

86%

43°

Low 42°

5 AM

44°

41°

Partly Cloudy

WNW 6

82%

39°

High 62°

8 AM

47°

44°

Clear

2%

0% Thunder
( 1% severe)

WNW 7

68%

37°

Clear

11 AM

56°

54°

Clear

WNW 8

43%

34°

2 PM

60°

59°

Clear

4%

0% Thunder
( 1% severe)

WNW 9

33%

31°

5 PM

60°

59°

Clear

WNW 8

32%

30°

8 PM

52°

51°

Clear

1%

0% Thunder
( 1% severe)

WNW 5

46%

32°

11 PM

47°

46°

Partly Cloudy

WNW 2

56%

32°

Saturday
2 MAY 2026

2 AM

43°

42°

Partly Cloudy

8%

0% Thunder
( 5% severe)

N 2

68%

33°

Low 40°

5 AM

42°

41°

Mostly Cloudy

NNE 2

76%

35°

High 57°

8 AM

46°

45°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 3% severe)

N 2

71%

37°

Mostly Cloudy

11 AM

53°

53°

Mostly Cloudy

SSE 3

54%

37°

2 PM

55°

53°

Mostly Cloudy

17%
RAIN
<.01 in

0% Thunder
( 9% severe)

S 8

51%

37°

5 PM

54°

52°

Mostly Cloudy

SSE 7

55%

38°

8 PM

49°

48°

Mostly Cloudy

SSE 3

68%

39°


PORTSMOUTH, NH extended weather forecast
Sunday 3 MAY 2026	Monday 4 MAY 2026	Tuesday 5 MAY 2026	Wednesday 6 MAY 2026	Thursday 7 MAY 2026
Low 42°	Low 40°	Low 48°	Low 53°	Low 47°
High 60°	High 66°	High 68°	High 67°	High 63°

Overcast 59% Rain	Mostly Cloudy 18% Rain	Mostly Cloudy 32% Rain	Overcast 59% Rain	Overcast 77% Rain

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