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 MAR 9, 2026
Few Clouds 57°F
Feels Like:	56°F
Dewpoint:	23°F
Rel. Hum.:	26%
Visibility:	10 miles
Wind:	SW at 5 mph
Pressure:	29.91 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
Mostly clear. Lows in the mid 30s. Southwest winds around 10 mph.

TUESDAY
Mostly sunny. Highs in the lower 70s. Light and variable winds, becoming southwest 10 to 15 mph with gusts up to 25 mph in the afternoon.

TUESDAY NIGHT
Partly cloudy. Patchy fog. A slight chance of rain after midnight. Lows in the upper 30s. Southwest winds around 10 mph, becoming northeast after midnight. Chance of rain 20 percent.

WEDNESDAY
Mostly cloudy with a 40 percent chance of rain. Patchy fog. Much cooler with highs in the lower 40s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

WEDNESDAY NIGHT
Cloudy with a 50 percent chance of rain. Patchy fog. Lows in the upper 30s. Temperatures rising into the upper 40s after midnight. Southeast winds around 10 mph, becoming south with gusts up to 20 mph after midnight.

THURSDAY
Patchy fog in the morning. Cloudy with a 50 percent chance of rain. Highs in the mid 50s. Temperatures falling into the mid 40s in the afternoon.

THURSDAY NIGHT
Partly cloudy. A chance of rain and snow in the evening. Lows in the lower 20s. Chance of precipitation 40 percent.

FRIDAY
Partly sunny. Highs in the lower 40s.

FRIDAY NIGHT
Snow and rain likely. Lows around 30. Chance of precipitation 70 percent.

SATURDAY
Partly sunny. A chance of rain and snow in the morning. Highs in the mid 40s. Chance of precipitation 50 percent.

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

SUNDAY
Cloudy with a chance of snow. A chance of rain in the afternoon. Highs in the upper 40s. Chance of precipitation 40 percent.

SUNDAY NIGHT
A chance of rain and snow in the evening, then rain likely after midnight. Lows in the lower 30s. Chance of precipitation 70 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/ 9/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
9 MAR 2026

1 PM

57°

54°

Partly Cloudy

0%

0% Thunder
( 0% severe)

SSW 12

47%

37°

High 58°

4 PM

57°

55°

Partly Cloudy

SSW 10

49%

38°

Partly Cloudy

7 PM

48°

44°

Clear

1%

0% Thunder
( 0% severe)

SSW 8

68%

38°

10 PM

46°

42°

Clear

SW 7

71%

37°

Tuesday
10 MAR 2026

1 AM

42°

38°

Partly Cloudy

2%

0% Thunder
( 0% severe)

SW 6

79%

36°

Low 37°

4 AM

39°

37°

Partly Cloudy

WSW 3

85%

35°

High 62°

7 AM

38°

36°

Partly Cloudy

2%

0% Thunder
( 0% severe)

WSW 2

89%

35°

Partly Cloudy

10 AM

52°

52°

Partly Cloudy

WSW 1

63%

40°

1 PM

60°

60°

Clear

2%

0% Thunder
( 0% severe)

SSW 5

51%

42°

4 PM

59°

60°

Clear

SSW 3

55%

43°

7 PM

49°

49°

Partly Cloudy

1%

0% Thunder
( 1% severe)

SSW 2

80%

43°

10 PM

46°

45°

Partly Cloudy

WSW 2

89%

43°

Wednesday
11 MAR 2026

1 AM

43°

41°

Partly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 2% severe)

W 3

89%

40°

Low 37°

4 AM

41°

38°

Mostly Cloudy

NE 5

89%

38°

High 51°

7 AM

39°

35°

Mostly Cloudy

32%
RAIN
.1–.25 in

0% Thunder
( 1% severe)

NE 6

92%

37°

Mostly Cloudy

Chance of Rain

10 AM

42°

37°

Mostly Cloudy

NE 8

82%

37°

1 PM

44°

39°

Mostly Cloudy

33%
RAIN
.1–.25 in

0% Thunder
( 3% severe)

ENE 9

76%

37°

4 PM

45°

40°

Mostly Cloudy

E 9

79%

39°

7 PM

43°

39°

Mostly Cloudy

SE 7

86%

39°


PORTSMOUTH, NH extended weather forecast
Thursday 12 MAR 2026	Friday 13 MAR 2026	Saturday 14 MAR 2026	Sunday 15 MAR 2026	Monday 16 MAR 2026
Low 39°	Low 25°	Low 28°	Low 25°	Low 35°
High 50°	High 45°	High 47°	High 41°	High 51°

Overcast 59% Rain	Mostly Cloudy 45% Snow	Mostly Cloudy 58% Rain/Snow	Mostly Cloudy 46% Snow/Ice	Overcast 62% Rain

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