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 AM EDT APR 22, 2026
Overcast 41°F
Feels Like:	36°F
Dewpoint:	34°F
Rel. Hum.:	76%
Visibility:	10 miles
Wind:	SSW at 7 mph
Pressure:	30.17 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

REST OF TONIGHT
Partly cloudy. Near steady temperature in the mid 30s. Light and variable winds.

WEDNESDAY
Cloudy with a 50 percent chance of rain showers. Highs in the upper 40s. South winds around 10 mph with gusts up to 20 mph.

WEDNESDAY NIGHT
Cloudy with a 40 percent chance of showers. Lows in the upper 30s. South winds around 10 mph in the evening, becoming light and variable.

THURSDAY
Partly sunny. Highs in the mid 50s. Northwest winds around 10 mph.

THURSDAY NIGHT
Mostly clear. Lows in the mid 30s. Northwest winds around 10 mph in the evening, becoming light and variable.

FRIDAY
Partly sunny. Highs in the lower 50s.

FRIDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the mid 30s.

SATURDAY
Partly sunny. Highs in the lower 50s.

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

SUNDAY
Partly sunny. Highs in the lower 50s.

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

MONDAY
Partly sunny. Highs in the mid 50s.

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

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 4/21/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
22 APR 2026

2 AM

37°

32°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 0% severe)

SSW 7

66%

27°

Low 35°

5 AM

36°

31°

Mostly Cloudy

S 6

75%

29°

High 47°

8 AM

39°

34°

Mostly Cloudy

33%
RAIN
.5–1 in

0% Thunder
( 2% severe)

S 7

73%

31°

Mostly Cloudy

Chance of Rain

11 AM

44°

39°

Mostly Cloudy

S 9

68%

34°

2 PM

44°

38°

Mostly Cloudy

30%
RAIN
.25–.5 in

0% Thunder
( 3% severe)

S 12

73%

36°

5 PM

45°

40°

Mostly Cloudy

S 9

73%

37°

8 PM

43°

39°

Mostly Cloudy

22%
RAIN
<.01 in

0% Thunder
( 4% severe)

S 6

82%

38°

11 PM

43°

40°

Mostly Cloudy

S 5

82%

38°

Thursday
23 APR 2026

2 AM

42°

41°

Mostly Cloudy

24%
RAIN
<.01 in

0% Thunder
( 5% severe)

SSW 2

86%

38°

Low 38°

5 AM

41°

39°

Mostly Cloudy

WSW 2

93%

39°

High 57°

8 AM

43°

41°

Partly Cloudy

8%

0% Thunder
( 4% severe)

W 3

89%

40°

Partly Cloudy

11 AM

52°

49°

Partly Cloudy

NW 8

59%

38°

2 PM

55°

52°

Partly Cloudy

5%

0% Thunder
( 3% severe)

NW 12

41%

32°

5 PM

54°

51°

Partly Cloudy

NNW 10

40%

30°

8 PM

48°

45°

Partly Cloudy

2%

0% Thunder
( 0% severe)

NNW 7

47%

29°

11 PM

43°

40°

Clear

NW 5

55%

28°


PORTSMOUTH, NH extended weather forecast
Friday 24 APR 2026	Saturday 25 APR 2026	Sunday 26 APR 2026	Monday 27 APR 2026	Tuesday 28 APR 2026
Low 35°	Low 35°	Low 38°	Low 40°	Low 39°
High 52°	High 57°	High 56°	High 53°	High 54°

Partly Cloudy 7% Rain/Snow	Partly Cloudy 2% Rain	Mostly Cloudy 44% Rain	Overcast 61% Rain	Overcast 39% Rain

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