PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
10:55 AM EDT APR 5, 2026
Overcast Mist 43°F
Feels Like:	39°F
Dewpoint:	41°F
Rel. Hum.:	93%
Visibility:	1 1/4 miles
Wind:	NW at 7 mph
Pressure:	29.82 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)

03803 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	PORTSMOUTH, NH 03803 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Showers with a slight chance of thunderstorms. Patchy fog. Highs in the mid 50s. South winds around 10 mph, becoming southwest this afternoon. Chance of rain near 100 percent.

TONIGHT
Patchy fog in the evening. Mostly cloudy with showers likely in the evening, then mostly clear after midnight. Lows in the mid 30s. West winds around 10 mph with gusts up to 20 mph. Chance of rain 60 percent.

MONDAY
Partly sunny. Highs in the upper 40s. West winds around 10 mph with gusts up to 25 mph.

MONDAY NIGHT
Partly cloudy. A chance of snow showers after midnight. Lows in the lower 30s. West winds around 10 mph in the evening, becoming light and variable. Chance of snow 30 percent.

TUESDAY
Partly sunny in the morning, then becoming mostly cloudy. A chance of rain and snow showers. Highs in the mid 40s. Light and variable winds, becoming north around 10 mph with gusts up to 20 mph in the afternoon. Chance of precipitation 50 percent.

TUESDAY NIGHT
Partly cloudy with a chance of snow showers in the evening, then clear after midnight. Lows in the lower 20s. Chance of snow 30 percent.

WEDNESDAY
Sunny. Highs in the mid 40s.

WEDNESDAY NIGHT
Mostly clear. Lows around 30.

THURSDAY
Mostly sunny. Highs in the mid 50s.

THURSDAY NIGHT
Partly cloudy. Lows in the upper 30s.

FRIDAY
Partly sunny. Highs in the upper 50s.

FRIDAY NIGHT
Partly cloudy. Lows in the upper 30s.

SATURDAY
Partly sunny. Highs in the upper 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 PM EDT 4/ 4/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
5 APR 2026

2 AM

38°

32°

Mostly Cloudy

71%
RAIN
>2 in

0% Thunder
( 5% severe)

ESE 8

82%

33°

Low 37°

5 AM

39°

33°

Mostly Cloudy

SE 8

89%

36°

High 56°

8 AM

39°

36°

Mostly Cloudy

82%
RAIN
***

0% Thunder
( 13% severe)

ESE 5

96%

38°

Mostly Cloudy

Rain Likely

11 AM

46°

43°

Mostly Cloudy

WSW 6

89%

43°

2 PM

51°

48°

Mostly Cloudy

86%
RAIN
***

0% Thunder
( 3% severe)

WSW 8

80%

45°

5 PM

53°

50°

Mostly Cloudy

SW 8

77%

46°

8 PM

51°

48°

Mostly Cloudy

9%

0% Thunder
( 0% severe)

W 8

74%

43°

11 PM

46°

41°

Mostly Cloudy

W 9

65%

35°

Monday
6 APR 2026

2 AM

42°

36°

Partly Cloudy

0%

0% Thunder
( 0% severe)

W 9

62%

30°

Low 36°

5 AM

38°

31°

Clear

W 9

67%

28°

High 50°

8 AM

38°

31°

Clear

1%

0% Thunder
( 0% severe)

W 10

61%

26°

Partly Cloudy

11 AM

45°

39°

Partly Cloudy

W 12

43%

24°

2 PM

48°

43°

Mostly Cloudy

3%

0% Thunder
( 3% severe)

W 13

35%

22°

5 PM

48°

43°

Partly Cloudy

WNW 10

35%

22°

8 PM

43°

39°

Partly Cloudy

7%

0% Thunder
( 1% severe)

WNW 6

44%

23°

11 PM

38°

36°

Partly Cloudy

WNW 2

53%

23°


PORTSMOUTH, NH extended weather forecast
Tuesday 7 APR 2026	Wednesday 8 APR 2026	Thursday 9 APR 2026	Friday 10 APR 2026	Saturday 11 APR 2026
Low 29°	Low 21°	Low 30°	Low 38°	Low 44°
High 48°	High 45°	High 56°	High 60°	High 58°

Partly Cloudy 30% Snow	Clear 1% Snow	Partly Cloudy 13% Rain/Snow	Mostly Cloudy 30% Rain	Partly Cloudy 25% Rain

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