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 EST FEB 20, 2026
Overcast 37°F
Feels Like:	31°F
Dewpoint:	30°F
Rel. Hum.:	75%
Visibility:	10 miles
Wind:	ESE at 7 mph
Pressure:
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
Snow with rain likely. Snow accumulation around an inch. Highs in the upper 30s. Light and variable winds. Chance of precipitation 90 percent.

TONIGHT
Snow. Snow accumulation of 3 to 6 inches. Total snow accumulation around 5 inches. Lows in the lower 20s. East winds around 10 mph, becoming northeast after midnight. Chance of snow near 100 percent.

SATURDAY
Cloudy with a slight chance of snow in the morning, then partly sunny in the afternoon. Highs in the lower 30s. North winds around 10 mph with gusts up to 20 mph in the morning, becoming light and variable. Chance of snow 20 percent.

SATURDAY NIGHT
Partly cloudy. Lows around 19. Light and variable winds.

SUNDAY
Partly sunny in the morning, then becoming mostly cloudy. Highs in the mid 30s. Northeast winds around 10 mph.

SUNDAY NIGHT
A chance of snow in the evening, then snow likely after midnight. Lows in the mid 20s. Chance of snow 60 percent.

MONDAY
Snow likely. Highs in the lower 30s. Chance of snow 70 percent.

MONDAY NIGHT
Mostly cloudy with a chance of snow in the evening, then partly cloudy after midnight. Lows around 20. Chance of snow 50 percent.

TUESDAY
Partly sunny. Highs in the lower 30s.

TUESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows around 10 above.

WEDNESDAY
Mostly cloudy. Highs in the mid 30s.

WEDNESDAY NIGHT
Mostly cloudy with a chance of snow and rain. Lows in the mid 20s. Chance of precipitation 50 percent.

THURSDAY
A chance of snow in the morning. Mostly cloudy with a chance of rain. Highs in the mid 40s. 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 2/20/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
20 FEB 2026

1 PM

37°

32°

Mostly Cloudy

90%
RAIN/SNOW
***

0% Thunder
( 4% severe)

ESE 6

66%

27°

High 38°

4 PM

37°

31°

Mostly Cloudy

E 8

69%

28°

Mostly Cloudy

Snow, Rain Likely

7 PM

33°

26°

Mostly Cloudy

99%
SNOW
***

0% Thunder
( 5% severe)

E 8

85%

29°

10 PM

33°

26°

Mostly Cloudy

ENE 8

85%

29°

Saturday
21 FEB 2026

1 AM

31°

24°

Mostly Cloudy

78%
SNOW
***

0% Thunder
( 3% severe)

NE 8

88%

28°

Low 23°

4 AM

29°

21°

Mostly Cloudy

N 8

84%

25°

High 33°

7 AM

24°

15°

Mostly Cloudy

24%
SNOW
.1–1 in

0% Thunder
( 2% severe)

N 8

83%

20°

Mostly Cloudy

Chance of Snow

10 AM

26°

19°

Mostly Cloudy

NNE 6

69%

18°

1 PM

30°

26°

Mostly Cloudy

9%

0% Thunder
( 1% severe)

NNE 3

58%

18°

4 PM

31°

28°

Mostly Cloudy

NNE 3

56%

18°

7 PM

26°

23°

Mostly Cloudy

7%

0% Thunder
( 0% severe)

N 1

69%

18°

10 PM

25°

21°

Partly Cloudy

NNE 3

65%

16°

Sunday
22 FEB 2026

1 AM

22°

17°

Partly Cloudy

3%

0% Thunder
( 0% severe)

N 3

68%

14°

Low 19°

4 AM

21°

15°

Mostly Cloudy

NNE 5

71%

14°

High 35°

7 AM

21°

13°

Mostly Cloudy

6%

0% Thunder
( 2% severe)

NNE 6

75%

15°

Mostly Cloudy

10 AM

29°

22°

Mostly Cloudy

NE 7

67%

20°

1 PM

34°

27°

Mostly Cloudy

13%
SNOW
<.1 in

0% Thunder
( 2% severe)

ENE 9

60%

22°

4 PM

34°

27°

Mostly Cloudy

ENE 9

63%

23°

7 PM

30°

23°

Mostly Cloudy

ENE 7

74%

23°


PORTSMOUTH, NH extended weather forecast
Monday 23 FEB 2026	Tuesday 24 FEB 2026	Wednesday 25 FEB 2026	Thursday 26 FEB 2026	Friday 27 FEB 2026
Low 25°	Low 22°	Low 20°	Low 29°	Low 31°
High 33°	High 35°	High 38°	High 44°	High 41°

Overcast 73% Snow	Partly Cloudy 29% Snow	Overcast 26% Snow	Overcast 57% Rain/Snow	Overcast 61% Ice

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