PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
2:55 PM EDT MAY 2, 2026
Overcast 54°F
Feels Like:	52°F
Dewpoint:	41°F
Rel. Hum.:	61%
Visibility:	10 miles
Wind:	SE at 7 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
Cloudy with a 50 percent chance of showers. Lows in the lower 40s. Light and variable winds.

SUNDAY
Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the upper 50s. Northwest winds around 10 mph with gusts up to 20 mph. Chance of rain 30 percent.

SUNDAY NIGHT
Mostly clear. Lows around 40. West winds around 10 mph in the evening, becoming light and variable.

MONDAY
Partly sunny. Highs in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

MONDAY NIGHT
Mostly clear. Lows in the upper 40s. Southwest winds around 10 mph.

TUESDAY
Partly sunny. Highs in the lower 70s.

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

WEDNESDAY
A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 60s. Chance of rain 60 percent.

WEDNESDAY NIGHT
Showers likely. Lows around 50. Chance of rain 70 percent.

THURSDAY
Showers. Highs around 60. Chance of rain 80 percent.

THURSDAY NIGHT
Showers in the evening, then partly cloudy with a chance of showers after midnight. Lows in the mid 40s. Chance of rain 80 percent.

FRIDAY
Partly sunny. A chance of showers in the morning. Highs in the upper 50s. Chance of rain 30 percent.

FRIDAY NIGHT
Mostly clear. Lows around 40.

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/ 2/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
2 MAY 2026

2 PM

52°

50°

Mostly Cloudy

52%
RAIN
.25–.5 in

0% Thunder
( 6% severe)

S 7

69%

42°

High 53°

5 PM

52°

50°

Mostly Cloudy

SE 6

69%

42°

Mostly Cloudy

Rain Likely

8 PM

48°

47°

Mostly Cloudy

36%
RAIN
.01–.1 in

0% Thunder
( 5% severe)

ESE 3

83%

43°

11 PM

47°

46°

Mostly Cloudy

WNW 2

83%

42°

Sunday
3 MAY 2026

2 AM

45°

44°

Mostly Cloudy

32%
RAIN
.01–.1 in

0% Thunder
( 2% severe)

NW 2

86%

41°

Low 42°

5 AM

43°

40°

Mostly Cloudy

NNW 5

89%

40°

High 59°

8 AM

45°

41°

Mostly Cloudy

20%
RAIN
<.01 in

0% Thunder
( 4% severe)

NNW 7

79%

39°

Mostly Cloudy

Chance of Rain

11 AM

51°

48°

Mostly Cloudy

NNW 9

54%

35°

2 PM

56°

53°

Mostly Cloudy

6%

0% Thunder
( 3% severe)

NW 12

40%

32°

5 PM

57°

54°

Partly Cloudy

NW 12

33%

28°

8 PM

50°

47°

Clear

1%

0% Thunder
( 0% severe)

WNW 8

44%

29°

11 PM

46°

42°

Clear

W 7

53%

30°

Monday
4 MAY 2026

2 AM

42°

38°

Clear

1%

0% Thunder
( 1% severe)

WSW 6

62%

30°

Low 40°

5 AM

42°

38°

Partly Cloudy

SW 7

62%

30°

High 67°

8 AM

49°

45°

Partly Cloudy

1%

0% Thunder
( 0% severe)

SW 8

56%

34°

Partly Cloudy

11 AM

60°

58°

Partly Cloudy

WSW 12

42%

37°

2 PM

65°

65°

Partly Cloudy

5%

0% Thunder
( 1% severe)

WSW 15

37%

38°

5 PM

65°

65°

Partly Cloudy

WSW 13

37%

38°

8 PM

59°

58°

Partly Cloudy

SW 8

51%

41°


PORTSMOUTH, NH extended weather forecast
Tuesday 5 MAY 2026	Wednesday 6 MAY 2026	Thursday 7 MAY 2026	Friday 8 MAY 2026	Saturday 9 MAY 2026
Low 49°	Low 55°	Low 54°	Low 50°	Low 43°
High 73°	High 71°	High 67°	High 64°	High 64°

Partly Cloudy 23% Rain	Mostly Cloudy 66% Rain	Overcast 81% Rain	Overcast 73% Rain	Mostly Cloudy 29% Rain

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