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 EDT OCT 29, 2026
Clear 64°F
Feels Like:	64°F
Dewpoint:	46°F
Rel. Hum.:	52%
Visibility:	10 miles
Wind:	WSW at 8 mph
Pressure:	30.13 inches
Last 72 hours
Local Area Snow Depth
New Hampshire Current Weather
New Hampshire MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

03803 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	PORTSMOUTH, NH 03803 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Mostly sunny. Highs in the upper 60s. Southwest winds around 10 mph.

TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. Southwest winds around 10 mph.

FRIDAY
Mostly sunny. Highs in the mid 60s. West winds 10 to 15 mph with gusts up to 25 mph.

FRIDAY NIGHT
Mostly clear. Lows in the upper 30s. Northwest winds around 10 mph.

SATURDAY
Mostly sunny. Highs in the mid 50s. Northwest winds around 10 mph.

SATURDAY NIGHT
Mostly clear. Lows in the upper 20s.

SUNDAY
Mostly sunny. Highs in the upper 50s.

SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s.

MONDAY
Partly sunny. Highs in the mid 60s.

MONDAY NIGHT
Partly cloudy. Lows in the lower 40s.

TUESDAY
Partly sunny. Highs in the upper 50s.

TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s.

WEDNESDAY
Partly sunny with a 30 percent chance of showers. Highs in the lower 60s.

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 PM EST 10/28/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
29 OCT 2026

1 AM

38°

34°

Partly Cloudy

1%

0% Thunder
( 0% severe)

SW 6

96%

37°

Low 37°

4 AM

39°

34°

Clear

SW 7

100%

39°

High 68°

7 AM

41°

36°

Partly Cloudy

1%

0% Thunder
( 0% severe)

SW 7

100%

41°

Partly Cloudy

10 AM

58°

56°

Partly Cloudy

SW 9

67%

47°

1 PM

67°

67°

Clear

1%

0% Thunder
( 0% severe)

SW 13

50%

48°

4 PM

65°

65°

Clear

SW 10

54%

48°

7 PM

56°

53°

Clear

7%

0% Thunder
( 1% severe)

SW 10

77%

49°

10 PM

54°

51°

Partly Cloudy

SW 9

83%

49°

Friday
30 OCT 2026

1 AM

54°

52°

Mostly Cloudy

19%
RAIN
<.01 in

0% Thunder
( 2% severe)

SW 8

80%

48°

Low 53°

4 AM

54°

52°

Mostly Cloudy

WSW 8

83%

49°

High 68°

7 AM

53°

50°

Clear

0%

0% Thunder
( 0% severe)

W 8

90%

50°

Clear

10 AM

63°

62°

Clear

W 12

56%

47°

1 PM

66°

66°

Clear

0%

0% Thunder
( 0% severe)

WNW 15

38%

40°

4 PM

60°

58°

Partly Cloudy

WNW 14

42%

37°

7 PM

49°

45°

Clear

0%

0% Thunder
( 0% severe)

WNW 10

63%

37°

10 PM

44°

38°

Clear

NW 10

76%

37°


PORTSMOUTH, NH extended weather forecast
Saturday 31 OCT 2026	Sunday 1 NOV 2026	Monday 2 NOV 2026	Tuesday 3 NOV 2026	Wednesday 4 NOV 2026
Low 39°	Low 31°	Low 36°	Low 45°	Low 44°
High 52°	High 55°	High 64°	High 57°	High 57°

Clear 2% Rain	Partly Cloudy	Partly Cloudy 14% Rain	Mostly Cloudy 21% Rain	Overcast 26% Rain

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