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 APR 2, 2026
Overcast 37°F
Feels Like:	29°F
Dewpoint:	30°F
Rel. Hum.:	75%
Visibility:	10 miles
Wind:	ENE at 12 mph
Pressure:	30.57 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

THIS AFTERNOON
Cloudy with a slight chance of rain or snow showers. Much colder with highs in the upper 30s. Northeast winds around 10 mph with gusts up to 25 mph. Chance of precipitation 20 percent.

TONIGHT
A slight chance of snow showers in the evening. Cloudy with a chance of rain. Lows in the mid 30s. East winds around 10 mph in the evening, becoming light and variable. Chance of precipitation 40 percent.

FRIDAY
Mostly cloudy. Rain likely in the morning. Warmer with highs in the upper 50s. Light and variable winds, becoming south around 10 mph in the afternoon. Chance of rain 60 percent.

FRIDAY NIGHT
Partly cloudy. Lows in the mid 40s. Southwest winds around 10 mph with gusts up to 20 mph.

SATURDAY
Partly sunny. Highs in the mid 50s. Temperatures falling into the mid 40s in the afternoon. North winds around 10 mph, becoming east with gusts up to 25 mph in the afternoon.

SATURDAY NIGHT
A chance of rain showers in the evening, then rain showers likely after midnight. Lows in the mid 30s. Chance of rain 70 percent.

SUNDAY
Showers. Highs in the upper 50s. Chance of rain near 100 percent.

SUNDAY NIGHT
Showers in the evening, then partly cloudy after midnight. Lows in the mid 30s. Chance of rain 80 percent.

MONDAY
Partly sunny. Highs around 50.

MONDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the lower 30s.

TUESDAY
Partly sunny. Highs in the upper 40s.

TUESDAY NIGHT
Partly cloudy. Lows in the mid 20s.

WEDNESDAY
Mostly sunny. Highs in the mid 40s.

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 7:00 AM EST 4/ 2/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
2 APR 2026

1 PM

37°

29°

Mostly Cloudy

21%
RAIN
.01–.1 in

0% Thunder
( 0% severe)

ENE 13

69%

28°

High 38°

4 PM

37°

30°

Mostly Cloudy

E 10

69%

28°

Mostly Cloudy

Chance of Rain

7 PM

36°

30°

Mostly Cloudy

26%
RAIN
.01–.1 in

0% Thunder
( 1% severe)

E 7

75%

29°

10 PM

36°

31°

Mostly Cloudy

E 6

82%

31°

Friday
3 APR 2026

1 AM

36°

32°

Mostly Cloudy

47%
RAIN
1–2 in

0% Thunder
( 1% severe)

E 5

85%

32°

Low 35°

4 AM

36°

33°

Mostly Cloudy

ESE 3

89%

33°

High 61°

7 AM

37°

34°

Mostly Cloudy

22%
RAIN
.01–.1 in

0% Thunder
( 1% severe)

SE 3

92%

35°

Mostly Cloudy

Chance of Rain

10 AM

42°

39°

Mostly Cloudy

S 5

89%

39°

1 PM

50°

47°

Mostly Cloudy

6%

0% Thunder
( 0% severe)

S 8

74%

42°

4 PM

58°

56°

Partly Cloudy

SSW 9

67%

47°

7 PM

56°

53°

Partly Cloudy

2%

0% Thunder
( 1% severe)

SSW 10

77%

49°

10 PM

57°

55°

Partly Cloudy

SW 10

80%

51°

Saturday
4 APR 2026

1 AM

55°

53°

Partly Cloudy

1%

0% Thunder
( 0% severe)

WSW 8

86%

51°

Low 44°

4 AM

53°

51°

Mostly Cloudy

NW 7

77%

46°

High 53°

7 AM

49°

46°

Partly Cloudy

5%

0% Thunder
( 0% severe)

NNW 7

74%

41°

Mostly Cloudy

10 AM

50°

46°

Mostly Cloudy

NE 9

63%

38°

1 PM

47°

41°

Mostly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 0% severe)

E 13

60%

34°

4 PM

44°

38°

Mostly Cloudy

E 13

60%

31°

7 PM

39°

33°

Mostly Cloudy

E 9

73%

31°


PORTSMOUTH, NH extended weather forecast
Sunday 5 APR 2026	Monday 6 APR 2026	Tuesday 7 APR 2026	Wednesday 8 APR 2026	Thursday 9 APR 2026
Low 35°	Low 39°	Low 31°	Low 27°	Low 29°
High 55°	High 55°	High 49°	High 40°	High 51°

Overcast 84% Rain	Mostly Cloudy 35% Rain/Snow	Mostly Cloudy 38% Rain/Snow	Partly Cloudy 20% Rain/Snow	Clear 16% Rain/Snow

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