PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
1:55 PM EDT MAR 26, 2026
Overcast 61°F
Feels Like:	61°F
Dewpoint:	43°F
Rel. Hum.:	51%
Visibility:	10 miles
Wind:	SW at 6 mph
Pressure:	29.76 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
Partly sunny. Highs around 60. Southwest winds 10 to 15 mph with gusts up to 25 mph.

TONIGHT
Rain. Areas of fog. Lows in the upper 30s. Southwest winds around 10 mph, becoming west after midnight. Chance of rain 90 percent.

FRIDAY
Mostly cloudy in the morning, then clearing. Highs in the mid 40s. Northwest winds around 10 mph with gusts up to 25 mph.

FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. Light and variable winds.

SATURDAY
Partly sunny. Highs in the mid 30s. Light and variable winds.

SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s.

SUNDAY
Partly sunny. Highs in the upper 40s.

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

MONDAY
Mostly cloudy. Highs in the mid 50s.

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

TUESDAY
Partly sunny in the morning, then becoming mostly cloudy. A 30 percent chance of rain. Highs around 50.

TUESDAY NIGHT
Mostly cloudy with a chance of rain. A chance of snow after midnight. Lows in the lower 40s. Chance of precipitation 40 percent.

WEDNESDAY
A chance of snow in the morning. Mostly cloudy with a chance of rain. Highs in the upper 50s. Chance of precipitation 50 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 7:00 AM EST 3/26/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
26 MAR 2026

1 PM

60°

58°

Mostly Cloudy

25%
RAIN
<.01 in

0% Thunder
( 1% severe)

SW 13

47%

40°

High 64°

4 PM

63°

62°

Mostly Cloudy

SW 12

44%

41°

Mostly Cloudy

Rain Likely

7 PM

56°

54°

Mostly Cloudy

89%
RAIN
***

0% Thunder
( 4% severe)

SSW 8

62%

43°

10 PM

51°

49°

Mostly Cloudy

ENE 6

80%

45°

Friday
27 MAR 2026

1 AM

49°

47°

Mostly Cloudy

47%
RAIN
.25–.5 in

0% Thunder
( 1% severe)

NW 5

83%

44°

Low 39°

4 AM

46°

43°

Mostly Cloudy

NW 6

79%

40°

High 45°

7 AM

41°

36°

Mostly Cloudy

13%
RAIN/SNOW
<.05 in

0% Thunder
( 0% severe)

NW 8

67%

31°

Decreasing Clouds

10 AM

42°

36°

Mostly Cloudy

NW 9

48%

24°

1 PM

43°

38°

Partly Cloudy

5%

0% Thunder
( 0% severe)

NNW 9

31%

16°

4 PM

42°

38°

Clear

NNW 7

28%

13°

7 PM

34°

30°

Partly Cloudy

3%

0% Thunder
( 0% severe)

NNW 5

39%

13°

10 PM

30°

24°

Partly Cloudy

N 6

43%

12°

Saturday
28 MAR 2026

1 AM

26°

18°

Partly Cloudy

8%

0% Thunder
( 1% severe)

N 7

46%

10°

Low 21°

4 AM

23°

16°

Partly Cloudy

N 6

45%

7°

High 35°

7 AM

23°

16°

Partly Cloudy

6%

0% Thunder
( 1% severe)

N 6

43%

6°

Mostly Cloudy

10 AM

30°

25°

Mostly Cloudy

N 5

30%

5°

1 PM

33°

27°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

NW 7

25%

4°

4 PM

34°

28°

Partly Cloudy

NW 7

23%

3°

7 PM

28°

24°

Partly Cloudy

NW 3

31%

4°


PORTSMOUTH, NH extended weather forecast
Sunday 29 MAR 2026	Monday 30 MAR 2026	Tuesday 31 MAR 2026	Wednesday 1 APR 2026	Thursday 2 APR 2026
Low 21°	Low 34°	Low 40°	Low 30°	Low 38°
High 45°	High 58°	High 53°	High 48°	High 58°

Clear 4% Snow	Mostly Cloudy 39% Rain/Snow	Overcast 64% Rain	Overcast 67% Rain	Overcast 39% Rain

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