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 PM EDT OCT 11, 2026
Overcast Rain Mist 50°F
Feels Like:	47°F
Dewpoint:	48°F
Rel. Hum.:	93%
Visibility:	1 1/2 miles
Wind:	NNE at 7 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

REST OF TONIGHT
Rain. Areas of fog. Lows in the upper 40s. Northeast winds around 10 mph. Chance of rain near 100 percent.

MONDAY
Partly sunny. A slight chance of rain in the morning. Areas of fog in the morning. Highs around 70. Light and variable winds, becoming west around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 20 percent.

MONDAY NIGHT
Partly cloudy in the evening, then cloudy with a chance of rain after midnight. Areas of fog after midnight. Lows in the upper 40s. North winds around 10 mph, becoming northeast after midnight. Gusts up to 25 mph. Chance of rain 40 percent.

TUESDAY
Areas of fog in the morning. A chance of rain in the morning, then rain in the afternoon. Highs in the lower 60s. East winds around 10 mph, becoming southeast in the afternoon. Chance of rain near 100 percent.

TUESDAY NIGHT
Rain. Lows in the lower 50s. South winds around 10 mph, becoming southwest after midnight. Chance of rain 90 percent.

WEDNESDAY
Partly sunny. Highs in the upper 60s.

WEDNESDAY NIGHT
Partly cloudy. Lows in the upper 40s.

THURSDAY
Mostly sunny. Highs in the lower 60s.

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

FRIDAY
Partly sunny with a chance of showers in the morning, then showers likely in the afternoon. Highs around 60. Chance of rain 60 percent.

FRIDAY NIGHT
Showers likely. Lows in the lower 40s. Chance of rain 70 percent.

SATURDAY
Partly sunny. A chance of showers in the morning. Highs in the mid 50s. Chance of rain 40 percent.

SATURDAY NIGHT
Partly cloudy. Lows in the mid 30s.

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 10/11/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
12 OCT 2026

2 AM

50°

49°

Overcast

85%
RAIN
***

0% Thunder
( 1% severe)

NE 3

100%

50°

Low 49°

5 AM

50°

48°

Mostly Cloudy

NNE 5

100%

50°

High 72°

8 AM

50°

48°

Mostly Cloudy

4%

0% Thunder
( 0% severe)

N 5

100%

50°

Decreasing Clouds

11 AM

60°

61°

Partly Cloudy

NW 1

81%

54°

2 PM

69°

69°

Clear

5%

0% Thunder
( 0% severe)

WNW 2

59%

54°

5 PM

68°

68°

Clear

WNW 5

63%

55°

8 PM

60°

60°

Mostly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 1% severe)

NNW 6

81%

54°

11 PM

57°

56°

Mostly Cloudy

NE 6

90%

54°

Tuesday
13 OCT 2026

2 AM

53°

50°

Overcast

30%
RAIN
<.01 in

0% Thunder
( 3% severe)

ENE 10

93%

51°

Low 48°

5 AM

49°

44°

Overcast

ENE 12

100%

49°

High 63°

8 AM

49°

45°

Overcast

63%
RAIN
.01–.1 in

0% Thunder
( 3% severe)

ENE 10

100%

49°

Mostly Cloudy

Rain Likely

11 AM

54°

51°

Mostly Cloudy

E 10

93%

52°

2 PM

57°

54°

Mostly Cloudy

83%
RAIN
***

0% Thunder
( 7% severe)

ESE 12

83%

52°

5 PM

58°

56°

Mostly Cloudy

SSE 12

83%

53°

8 PM

57°

54°

Mostly Cloudy

74%
RAIN
***

0% Thunder
( 21% severe)

S 12

93%

55°

11 PM

56°

54°

Mostly Cloudy

S 9

100%

56°


PORTSMOUTH, NH extended weather forecast
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
Low 50°	Low 55°	Low 48°	Low 40°	Low 48°
High 55°	High 74°	High 59°	High 55°	High 61°

Overcast 53% Rain	Mostly Cloudy 46% Rain	Partly Cloudy 20% Rain	Mostly Cloudy 39% Rain	Overcast 86% Rain

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