PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
4:55 PM EDT APR 9, 2026
Few Clouds 48°F
Feels Like:	41°F
Dewpoint:	32°F
Rel. Hum.:	54%
Visibility:	10 miles
Wind:	SE at 18 mph
Pressure:	30.43 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 clear. Lows in the mid 30s. South winds 10 to 15 mph.

FRIDAY
Mostly sunny. Highs in the lower 60s. Light and variable winds, becoming south around 10 mph with gusts up to 25 mph in the afternoon.

FRIDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the lower 40s. Southwest winds around 10 mph with gusts up to 25 mph.

SATURDAY
Mostly sunny. Highs in the mid 50s. Northwest winds around 10 mph with gusts up to 25 mph.

SATURDAY NIGHT
Clear. Lows in the lower 30s.

SUNDAY
Partly sunny. Highs in the lower 50s.

SUNDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the lower 40s.

MONDAY
Mostly cloudy with a 50 percent chance of showers. Highs in the upper 60s.

MONDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s.

TUESDAY
Partly sunny. Highs in the lower 70s.

TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A 30 percent chance of showers. Lows in the upper 40s.

WEDNESDAY
Mostly cloudy. A chance of showers in the afternoon. Highs in the lower 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/ 9/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
9 APR 2026

2 PM

48°

43°

Clear

0%

0% Thunder
( 0% severe)

SSE 13

40%

25°

High 49°

5 PM

48°

42°

Clear

SSE 14

43%

27°

Clear

8 PM

43°

37°

Clear

2%

0% Thunder
( 0% severe)

S 10

53%

27°

11 PM

40°

35°

Clear

SSW 8

59%

27°

Friday
10 APR 2026

2 AM

37°

32°

Clear

2%

0% Thunder
( 0% severe)

SSW 7

69%

28°

Low 34°

5 AM

36°

31°

Partly Cloudy

SSW 6

79%

30°

High 63°

8 AM

40°

36°

Partly Cloudy

3%

0% Thunder
( 0% severe)

SSW 6

73%

32°

Partly Cloudy

11 AM

51°

48°

Partly Cloudy

SSW 7

56%

36°

2 PM

59°

57°

Partly Cloudy

5%

0% Thunder
( 0% severe)

S 10

46%

38°

5 PM

62°

61°

Partly Cloudy

S 12

44%

40°

8 PM

55°

52°

Mostly Cloudy

30%
RAIN
.01–.1 in

0% Thunder
( 5% severe)

SSW 10

57%

40°

11 PM

53°

50°

Mostly Cloudy

SW 9

59%

39°

Saturday
11 APR 2026

2 AM

50°

47°

Mostly Cloudy

32%
RAIN
.1–.25 in

0% Thunder
( 5% severe)

SW 7

71%

41°

Low 43°

5 AM

47°

43°

Mostly Cloudy

WNW 8

76%

40°

High 55°

8 AM

45°

40°

Clear

2%

0% Thunder
( 0% severe)

NW 9

65%

34°

Clear

11 AM

50°

46°

Partly Cloudy

NW 12

46%

30°

2 PM

53°

49°

Clear

0%

0% Thunder
( 0% severe)

NW 14

35%

26°

5 PM

53°

49°

Clear

NW 12

33%

25°

8 PM

45°

41°

Clear

NW 7

45%

25°


PORTSMOUTH, NH extended weather forecast
Sunday 12 APR 2026	Monday 13 APR 2026	Tuesday 14 APR 2026	Wednesday 15 APR 2026	Thursday 16 APR 2026
Low 33°	Low 42°	Low 55°	Low 49°	Low 47°
High 52°	High 68°	High 69°	High 60°	High 65°

Mostly Cloudy 14% Rain/Snow	Overcast 53% Rain	Mostly Cloudy 49% Rain	Overcast 47% Rain	Overcast 58% Rain

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