PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
11:55 AM EST JAN 30, 2026
Scattered Clouds 10°F
Feels Like:	-8°F
Dewpoint:	-6°F
Rel. Hum.:	42%
Visibility:	10 miles
Wind:	W at 17 mph, gusts to 25
Pressure:	29.90 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
Mostly sunny. Highs around 14. West winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 6 below.

TONIGHT
Mostly clear. Lows around 2 below. West winds 10 to 15 mph with gusts up to 25 mph in the evening, becoming light and variable. Wind chill values as low as 11 below.

SATURDAY
Mostly sunny. Highs around 20. Light and variable winds.

SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 7 above. Light and variable winds, becoming north around 10 mph with gusts up to 25 mph after midnight. Wind chill values as low as 7 below after midnight.

SUNDAY
Mostly cloudy. Highs in the mid 20s. North winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 8 below in the morning.

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

MONDAY
Partly sunny. Highs in the lower 30s.

MONDAY NIGHT
Mostly clear. Lows around 10 above.

TUESDAY
Mostly sunny. Highs in the lower 30s.

TUESDAY NIGHT
Mostly clear. Lows around 10 above.

WEDNESDAY
Partly sunny. Highs around 30.

WEDNESDAY NIGHT
Partly cloudy. Lows around 10 above.

THURSDAY
Partly sunny. Highs in the upper 20s.

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 1/30/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
30 JAN 2026

1 PM

13°

-2°

Partly Cloudy

0%

0% Thunder
( 0% severe)

WNW 14

43%

-3°

High 15°

4 PM

14°

0°

Partly Cloudy

WNW 13

43%

-2°

Partly Cloudy

7 PM

8°

-5°

Clear

0%

0% Thunder
( 0% severe)

WNW 9

53%

-4°

10 PM

6°

-6°

Clear

WNW 7

55%

-5°

Saturday
31 JAN 2026

1 AM

3°

-8°

Clear

0%

0% Thunder
( 0% severe)

W 6

61%

-6°

Low -2°

4 AM

1°

-9°

Clear

W 5

65%

-7°

High 20°

7 AM

0°

-10°

Clear

0%

0% Thunder
( 0% severe)

WNW 5

68%

-7°

Partly Cloudy

10 AM

10°

4°

Clear

WNW 3

56%

-1°

1 PM

18°

13°

Partly Cloudy

0%

0% Thunder
( 0% severe)

WNW 1

46%

3°

4 PM

19°

15°

Partly Cloudy

NW 1

49%

5°

7 PM

12°

7°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NW 1

62%

3°

10 PM

11°

3°

Mostly Cloudy

N 5

66%

3°

Sunday
1 FEB 2026

1 AM

10°

-2°

Mostly Cloudy

8%

0% Thunder
( 1% severe)

N 8

66%

2°

Low 6°

4 AM

9°

-5°

Mostly Cloudy

N 10

65%

1°

High 26°

7 AM

9°

-7°

Mostly Cloudy

16%
SNOW
<.1 in

0% Thunder
( 0% severe)

N 13

69%

2°

Mostly Cloudy

Chance of Snow

Breezy

10 AM

15°

-1°

Mostly Cloudy

N 16

63%

6°

1 PM

22°

7°

Mostly Cloudy

23%
SNOW
.1–1 in

0% Thunder
( 1% severe)

N 18

50%

8°

4 PM

25°

11°

Mostly Cloudy

N 18

46%

9°

7 PM

23°

10°

Mostly Cloudy

N 15

53%

10°


PORTSMOUTH, NH extended weather forecast
Monday 2 FEB 2026	Tuesday 3 FEB 2026	Wednesday 4 FEB 2026	Thursday 5 FEB 2026	Friday 6 FEB 2026
Low 17°	Low 10°	Low 13°	Low 14°	Low 15°
High 37°	High 31°	High 31°	High 26°	High 31°

Partly Cloudy 10% Snow	Clear 7% Snow	Partly Cloudy 16% Snow	Mostly Cloudy 21% Snow	Mostly Cloudy 40% Snow

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