PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
6:55 PM EDT OCT 16, 2026
Broken Clouds 66°F
Feels Like:	66°F
Dewpoint:	63°F
Rel. Hum.:	90%
Visibility:	10 miles
Wind:	SW at 10 mph
Pressure:	29.54 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
Mostly cloudy. Showers likely with a slight chance of thunderstorms this evening. Patchy fog this evening. Lows in the mid 40s. West winds around 10 mph. Gusts up to 30 mph after midnight. Chance of rain 70 percent.

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

SATURDAY NIGHT
Clear. Lows in the lower 30s. Northwest winds around 10 mph with gusts up to 20 mph in the evening, becoming light and variable.

SUNDAY
Sunny. Highs in the lower 50s. Light and variable winds.

SUNDAY NIGHT
Mostly clear. Lows in the mid 30s. Light and variable winds.

MONDAY
Mostly sunny. Highs in the mid 50s.

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

TUESDAY
Partly sunny. Highs in the upper 50s.

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

WEDNESDAY
Mostly sunny. Highs in the mid 50s.

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

THURSDAY
Partly sunny. Highs in the mid 50s.

THURSDAY NIGHT
Partly cloudy. Lows around 40.

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 10/16/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
16 OCT 2026

2 PM

60°

58°

Mostly Cloudy

79%
RAIN
1–2 in

0% Thunder
( 18% severe)

SSW 12

96%

59°

High 67°

5 PM

66°

66°

Mostly Cloudy

SW 12

90%

63°

Mostly Cloudy

Rain Likely

8 PM

65°

65°

Mostly Cloudy

67%
RAIN
.01–.1 in

0% Thunder
( 8% severe)

WSW 12

97%

64°

11 PM

61°

59°

Mostly Cloudy

W 12

90%

58°

Saturday
17 OCT 2026

2 AM

52°

48°

Mostly Cloudy

3%

0% Thunder
( 0% severe)

WNW 13

80%

46°

Low 41°

5 AM

44°

37°

Mostly Cloudy

NW 14

76%

37°

High 53°

8 AM

42°

36°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

NW 12

76%

35°

Decreasing Clouds

11 AM

47°

41°

Mostly Cloudy

NW 14

56%

32°

2 PM

50°

44°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

NW 16

39%

26°

5 PM

47°

41°

Clear

NW 14

34%

21°

8 PM

40°

34°

Clear

0%

0% Thunder
( 0% severe)

NW 9

47%

22°

11 PM

36°

31°

Clear

NW 6

58%

23°

Sunday
18 OCT 2026

2 AM

34°

30°

Clear

0%

0% Thunder
( 0% severe)

NW 5

65%

24°

Low 32°

5 AM

32°

27°

Clear

NW 5

71%

24°

High 55°

8 AM

34°

30°

Clear

0%

0% Thunder
( 0% severe)

NW 5

68%

25°

Clear

11 AM

47°

45°

Clear

N 5

41%

25°

2 PM

52°

50°

Clear

0%

0% Thunder
( 0% severe)

SSE 6

36%

26°

5 PM

50°

47°

Clear

SSE 7

42%

28°

8 PM

43°

40°

Clear

SSE 5

62%

31°


PORTSMOUTH, NH extended weather forecast
Monday 19 OCT 2026	Tuesday 20 OCT 2026	Wednesday 21 OCT 2026	Thursday 22 OCT 2026	Friday 23 OCT 2026
Low 35°	Low 39°	Low 42°	Low 41°	Low 43°
High 55°	High 59°	High 53°	High 55°	High 59°

Partly Cloudy 9% Rain	Partly Cloudy 19% Rain	Partly Cloudy 16% Rain	Mostly Cloudy 25% Rain	Partly Cloudy 33% Rain

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