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 AM EDT OCT 15, 2026
Clear 55°F
Feels Like:	53°F
Dewpoint:	46°F
Rel. Hum.:	72%
Visibility:	10 miles
Wind:	WNW at 9 mph
Pressure:	29.96 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 around 60. Northwest winds around 10 mph with gusts up to 20 mph this morning, becoming light and variable.

TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. Light and variable winds.

FRIDAY
Showers. Highs in the mid 60s. South winds around 10 mph with gusts up to 25 mph. Chance of rain near 100 percent.

FRIDAY NIGHT
Mostly cloudy. Showers likely, mainly in the evening. Lows around 40. Southwest winds around 10 mph, becoming west after midnight. Gusts up to 25 mph. Chance of rain 60 percent.

SATURDAY
Mostly cloudy in the morning, then clearing. Highs around 50. Northwest winds 10 to 15 mph with gusts up to 30 mph.

SATURDAY NIGHT
Mostly clear. Lows in the lower 30s.

SUNDAY
Mostly sunny. Highs in the mid 50s.

SUNDAY NIGHT
Mostly clear. Lows in the mid 30s.

MONDAY
Mostly sunny. Highs around 60.

MONDAY NIGHT
Partly cloudy. Lows in the upper 30s.

TUESDAY
Partly sunny. Highs in the lower 60s.

TUESDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the upper 30s.

WEDNESDAY
Mostly sunny. Highs in the upper 50s.

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 8:00 PM EDT 10/14/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
15 OCT 2026

2 AM

51°

47°

Clear

0%

0% Thunder
( 0% severe)

WNW 12

80%

45°

Low 45°

5 AM

48°

43°

Clear

WNW 10

80%

42°

High 60°

8 AM

46°

41°

Clear

0%

0% Thunder
( 0% severe)

NW 9

79%

40°

Partly Cloudy

11 AM

55°

53°

Clear

NNW 8

49%

36°

2 PM

60°

60°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NW 6

36%

33°

5 PM

58°

59°

Partly Cloudy

SSW 1

40%

34°

8 PM

47°

46°

Partly Cloudy

0%

0% Thunder
( 0% severe)

CALM

65%

36°

11 PM

44°

43°

Partly Cloudy

CALM

79%

38°

Friday
16 OCT 2026

2 AM

43°

42°

Mostly Cloudy

36%
RAIN
<.01 in

0% Thunder
( 1% severe)

CALM

86%

39°

Low 43°

5 AM

45°

44°

Mostly Cloudy

S 3

86%

41°

High 66°

8 AM

46°

41°

Mostly Cloudy

97%
RAIN
***

0% Thunder
( 9% severe)

SSE 9

96%

45°

Mostly Cloudy

Rain

11 AM

52°

48°

Mostly Cloudy

SSE 13

89%

49°

2 PM

57°

54°

Mostly Cloudy

67%
RAIN
.01–.1 in

0% Thunder
( 10% severe)

S 13

90%

54°

5 PM

62°

61°

Mostly Cloudy

SSW 9

90%

59°

8 PM

61°

60°

Mostly Cloudy

61%
RAIN
.5–1 in

0% Thunder
( 5% severe)

SW 10

100%

61°

11 PM

59°

57°

Mostly Cloudy

WSW 10

96%

58°


PORTSMOUTH, NH extended weather forecast
Saturday 17 OCT 2026	Sunday 18 OCT 2026	Monday 19 OCT 2026	Tuesday 20 OCT 2026	Wednesday 21 OCT 2026
Low 48°	Low 31°	Low 37°	Low 41°	Low 42°
High 52°	High 57°	High 65°	High 61°	High 58°

Mostly Cloudy 80% Rain	Clear 1% Rain/Snow	Partly Cloudy 12% Rain	Partly Cloudy 25% Rain	Clear 15% Rain

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