PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
8:55 PM EDT APR 22, 2026
Overcast 46°F
Feels Like:	43°F
Dewpoint:	39°F
Rel. Hum.:	76%
Visibility:	10 miles
Wind:	SE at 5 mph
Pressure:	30.02 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
Cloudy with isolated showers. Lows in the upper 30s. South winds around 10 mph in the evening, becoming light and variable. Chance of rain 20 percent.

THURSDAY
Mostly sunny. Highs in the upper 50s. West winds around 10 mph, becoming northwest with gusts up to 20 mph in the afternoon.

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. Light and variable winds.

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 lower 50s.

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

TUESDAY
Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the mid 50s. 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 4/22/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
22 APR 2026

2 PM

45°

39°

Mostly Cloudy

33%
RAIN
.25–.5 in

0% Thunder
( 3% severe)

S 12

71%

36°

High 47°

5 PM

46°

41°

Mostly Cloudy

S 10

71%

37°

Mostly Cloudy

Chance of Rain

8 PM

44°

40°

Mostly Cloudy

29%
RAIN
.01–.1 in

0% Thunder
( 4% severe)

S 7

79%

38°

11 PM

43°

39°

Mostly Cloudy

S 6

82%

38°

Thursday
23 APR 2026

2 AM

42°

40°

Mostly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 4% severe)

SSW 3

89%

39°

Low 39°

5 AM

41°

39°

Mostly Cloudy

SW 3

93%

39°

High 59°

8 AM

44°

41°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 3% severe)

W 5

86%

40°

Decreasing Clouds

11 AM

54°

52°

Partly Cloudy

NW 8

52%

37°

2 PM

57°

54°

Clear

5%

0% Thunder
( 1% severe)

NW 12

37%

31°

5 PM

57°

54°

Clear

NW 12

33%

28°

8 PM

48°

45°

Clear

1%

0% Thunder
( 0% severe)

NNW 7

45%

28°

11 PM

44°

41°

Clear

NNW 5

51%

27°

Friday
24 APR 2026

2 AM

39°

37°

Clear

0%

0% Thunder
( 0% severe)

NNW 3

61%

27°

Low 35°

5 AM

37°

33°

Partly Cloudy

NW 5

64%

26°

High 54°

8 AM

41°

38°

Partly Cloudy

1%

0% Thunder
( 1% severe)

NNW 5

57%

27°

Partly Cloudy

11 AM

49°

47°

Partly Cloudy

N 5

40%

26°

2 PM

52°

50°

Partly Cloudy

1%

0% Thunder
( 2% severe)

NE 6

36%

26°

5 PM

51°

49°

Mostly Cloudy

ESE 6

39%

27°

8 PM

45°

44°

Mostly Cloudy

SE 2

55%

30°


PORTSMOUTH, NH extended weather forecast
Saturday 25 APR 2026	Sunday 26 APR 2026	Monday 27 APR 2026	Tuesday 28 APR 2026	Wednesday 29 APR 2026
Low 35°	Low 38°	Low 40°	Low 39°	Low 39°
High 57°	High 56°	High 53°	High 54°	High 54°

Partly Cloudy 2% Rain	Mostly Cloudy 44% Rain	Overcast 61% Rain	Overcast 39% Rain	Overcast 45% Rain

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