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 PM EST MAR 6, 2026
Overcast Mist 32°F
Feels Like:	27°F
Dewpoint:	30°F
Rel. Hum.:	92%
Visibility:	2 1/2 miles
Wind:	NNE at 5 mph
Pressure:	30.48 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
Isolated snow showers this afternoon. Cloudy with patchy drizzle and freezing drizzle. Patchy fog after midnight. Lows in the lower 30s. Northeast winds 10 to 15 mph with gusts up to 25 mph this afternoon, becoming light and variable. Chance of precipitation 20 percent.

SATURDAY
Cloudy. Patchy drizzle in the morning. Areas of fog in the morning. Highs in the mid 40s. South winds around 10 mph.

SATURDAY NIGHT
Cloudy. Patchy drizzle in the evening, then areas of drizzle after midnight. Lows in the lower 40s. Southwest winds around 10 mph with gusts up to 25 mph.

SUNDAY
Cloudy with a chance of rain with areas of drizzle in the morning, then partly sunny in the afternoon. Highs in the mid 50s. West winds around 10 mph with gusts up to 20 mph. Chance of rain 40 percent.

SUNDAY NIGHT
Mostly clear. Lows in the lower 30s. Light and variable winds.

MONDAY
Sunny. Highs in the upper 50s.

MONDAY NIGHT
Clear. Lows in the upper 30s.

TUESDAY
Mostly sunny. Highs in the lower 60s.

TUESDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of rain after midnight. Lows in the mid 30s. Chance of rain 30 percent.

WEDNESDAY
Rain likely. Highs in the upper 40s. Chance of rain 70 percent.

WEDNESDAY NIGHT
Rain likely. A chance of snow after midnight. Lows in the upper 20s. Chance of precipitation 70 percent.

THURSDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of rain and snow. Highs in the lower 40s. Chance of precipitation 50 percent.

THURSDAY NIGHT
Partly cloudy. A chance of snow in the evening. Lows around 20. Chance of snow 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 7:00 AM EST 3/ 6/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
6 MAR 2026

1 PM

32°

23°

Mostly Cloudy

20%
RAIN/SNOW
.05–.5 in

0% Thunder
( 2% severe)

NE 12

81%

27°

High 34°

4 PM

33°

25°

Mostly Cloudy

ENE 9

81%

28°

Mostly Cloudy

Chance of Rain & Snow

7 PM

32°

29°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 0% severe)

ENE 3

88%

29°

10 PM

33°

30°

Mostly Cloudy

ENE 1

88%

30°

Saturday
7 MAR 2026

1 AM

33°

30°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 0% severe)

CALM

88%

30°

Low 30°

4 AM

33°

30°

Mostly Cloudy

CALM

92%

31°

High 48°

7 AM

33°

30°

Mostly Cloudy

27%
RAIN
<.01 in

0% Thunder
( 0% severe)

SSW 2

96%

32°

Mostly Cloudy

Chance of Rain

10 AM

37°

32°

Overcast

SSW 7

89%

34°

1 PM

42°

36°

Mostly Cloudy

6%

0% Thunder
( 2% severe)

SSW 10

79%

36°

4 PM

44°

38°

Mostly Cloudy

SSW 12

79%

38°

7 PM

43°

37°

Mostly Cloudy

23%
RAIN
<.01 in

0% Thunder
( 4% severe)

SSW 10

86%

39°

10 PM

45°

40°

Mostly Cloudy

SW 10

86%

41°

Sunday
8 MAR 2026

1 AM

47°

42°

Mostly Cloudy

35%
RAIN
.01–.1 in

0% Thunder
( 3% severe)

SW 10

86%

43°

Low 40°

4 AM

47°

43°

Mostly Cloudy

SW 9

89%

44°

High 55°

7 AM

47°

43°

Mostly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 1% severe)

SW 8

93%

45°

Mostly Cloudy

10 AM

51°

48°

Mostly Cloudy

WSW 9

80%

45°

1 PM

53°

50°

Mostly Cloudy

4%

0% Thunder
( 1% severe)

W 10

59%

39°

4 PM

51°

48°

Mostly Cloudy

W 9

56%

36°

7 PM

43°

39°

Partly Cloudy

WSW 7

70%

34°


PORTSMOUTH, NH extended weather forecast
Monday 9 MAR 2026	Tuesday 10 MAR 2026	Wednesday 11 MAR 2026	Thursday 12 MAR 2026	Friday 13 MAR 2026
Low 31°	Low 37°	Low 35°	Low 25°	Low 25°
High 61°	High 61°	High 40°	High 40°	High 45°

Clear 11% Rain	Partly Cloudy 18% Rain	Overcast 68% Rain/Ice	Mostly Cloudy 39% Snow/Ice	Mostly Cloudy 32% Rain/Snow

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