PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
4:55 PM EDT OCT 10, 2026
Broken Clouds 59°F
Feels Like:	57°F
Dewpoint:	28°F
Rel. Hum.:	30%
Visibility:	10 miles
Wind:	WNW at 10 mph
Pressure:	30.42 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 2026 Hurricanes	PORTSMOUTH, NH 03803 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Partly cloudy. Lows around 40. Light and variable winds.

SUNDAY
Partly sunny in the morning, then cloudy with a slight chance of showers in the afternoon. Highs in the lower 60s. Light and variable winds, becoming south around 10 mph in the afternoon. Chance of rain 20 percent.

SUNDAY NIGHT
Rain. Lows in the lower 50s. Light and variable winds. Chance of rain near 100 percent.

COLUMBUS DAY
Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the upper 60s. Light and variable winds. Chance of rain 50 percent.

MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. Light and variable winds, becoming northeast around 10 mph with gusts up to 20 mph after midnight.

TUESDAY
Cloudy with a 50 percent chance of showers. Highs in the upper 50s.

TUESDAY NIGHT
Showers. Lows in the lower 50s. Chance of rain 80 percent.

WEDNESDAY
Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the upper 60s. Chance of rain 50 percent.

WEDNESDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the mid 40s.

THURSDAY
Mostly sunny. Highs around 60.

THURSDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s.

FRIDAY
Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the upper 50s. Chance of rain 40 percent.

FRIDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the upper 40s.

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 AM EDT 10/10/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
10 OCT 2026

2 PM

60°

59°

Partly Cloudy

0%

0% Thunder
( 0% severe)

WNW 9

35%

32°

High 61°

5 PM

59°

58°

Partly Cloudy

WNW 6

39%

34°

Partly Cloudy

8 PM

50°

50°

Partly Cloudy

0%

0% Thunder
( 0% severe)

CALM

54%

34°

11 PM

45°

44°

Mostly Cloudy

CALM

71%

36°

Sunday
11 OCT 2026

2 AM

42°

41°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

CALM

82%

37°

Low 41°

5 AM

41°

39°

Partly Cloudy

CALM

86%

37°

High 64°

8 AM

43°

42°

Partly Cloudy

1%

0% Thunder
( 0% severe)

CALM

89%

40°

Mostly Cloudy

Chance of Rain

11 AM

58°

57°

Mostly Cloudy

SSW 6

60%

44°

2 PM

62°

61°

Mostly Cloudy

26%
RAIN
.01–.1 in

0% Thunder
( 0% severe)

S 10

54%

45°

5 PM

59°

58°

Mostly Cloudy

S 8

62%

46°

8 PM

55°

54°

Mostly Cloudy

80%
RAIN
***

0% Thunder
( 2% severe)

S 6

74%

47°

11 PM

53°

53°

Mostly Cloudy

SE 2

96%

52°

Monday
12 OCT 2026

2 AM

53°

53°

Overcast

75%
RAIN
***

0% Thunder
( 4% severe)

NE 3

100%

53°

Low 51°

5 AM

53°

51°

Overcast

NNE 6

100%

53°

High 70°

8 AM

53°

51°

Mostly Cloudy

12%
RAIN
.01–.1 in

0% Thunder
( 1% severe)

N 7

100%

53°

Mostly Cloudy

11 AM

59°

58°

Mostly Cloudy

NNW 6

87%

55°

2 PM

66°

66°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NW 3

70%

56°

5 PM

66°

66°

Partly Cloudy

WNW 3

73%

57°

8 PM

58°

58°

Partly Cloudy

N 3

90%

55°


PORTSMOUTH, NH extended weather forecast
Tuesday 13 OCT 2026	Wednesday 14 OCT 2026	Thursday 15 OCT 2026	Friday 16 OCT 2026	Saturday 17 OCT 2026
Low 49°	Low 49°	Low 40°	Low 39°	Low 50°
High 57°	High 63°	High 57°	High 59°	High 65°

Overcast 79% Rain	Overcast 86% Rain	Clear 10% Rain	Overcast 48% Rain	Overcast 60% Rain

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