PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

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03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
5:55 PM EDT MAY 22, 2026
Broken Clouds 59°F
Feels Like:	57°F
Dewpoint:	39°F
Rel. Hum.:	47%
Visibility:	10 miles
Wind:	SSE at 10 mph
Pressure:	30.33 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 2025 Hurricanes	PORTSMOUTH, NH 03803 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly cloudy. Lows in the mid 40s. Light and variable winds.

SATURDAY
Cloudy. Highs in the lower 60s. Light and variable winds, becoming east around 10 mph in the afternoon.

SATURDAY NIGHT
Cloudy. Lows in the mid 40s. Light and variable winds.

SUNDAY
Showers. Highs in the mid 50s. Southeast winds around 10 mph. Chance of rain near 100 percent.

SUNDAY NIGHT
Showers. Lows in the upper 40s. Chance of rain near 100 percent.

MEMORIAL DAY
Showers likely, mainly in the morning. Highs in the upper 60s. Chance of rain 60 percent.

MONDAY NIGHT
Partly cloudy. Lows in the lower 50s.

TUESDAY
Partly sunny. Highs in the upper 70s.

TUESDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the mid 50s.

WEDNESDAY
Partly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.

WEDNESDAY NIGHT
Mostly clear. A chance of showers in the evening. Lows in the lower 50s. Chance of rain 30 percent.

THURSDAY
Partly sunny. Highs in the upper 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 8:00 AM EDT 5/22/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
22 MAY 2026

2 PM

61°

60°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

ESE 8

35%

33°

High 62°

5 PM

59°

57°

Mostly Cloudy

SSE 9

39%

34°

Mostly Cloudy

8 PM

54°

53°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

S 6

50%

36°

11 PM

50°

50°

Mostly Cloudy

CALM

58%

36°

Saturday
23 MAY 2026

2 AM

47°

46°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

CALM

65%

36°

Low 46°

5 AM

46°

45°

Mostly Cloudy

CALM

71%

37°

High 62°

8 AM

53°

53°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

CALM

64%

41°

Mostly Cloudy

11 AM

59°

58°

Mostly Cloudy

E 8

49%

40°

2 PM

59°

58°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

ESE 8

47%

39°

5 PM

57°

56°

Mostly Cloudy

ESE 7

51%

39°

8 PM

53°

53°

Mostly Cloudy

3%

0% Thunder
( 0% severe)

CALM

64%

41°

11 PM

50°

50°

Mostly Cloudy

CALM

74%

42°

Sunday
24 MAY 2026

2 AM

48°

47°

Mostly Cloudy

21%
RAIN
.01–.1 in

0% Thunder
( 0% severe)

CALM

80%

42°

Low 46°

5 AM

48°

47°

Overcast

ESE 3

80%

42°

High 57°

8 AM

51°

49°

Overcast

60%
RAIN
1–2 in

0% Thunder
( 2% severe)

SE 6

71%

42°

Mostly Cloudy

Rain Likely

11 AM

53°

50°

Mostly Cloudy

ESE 9

66%

42°

2 PM

53°

49°

Mostly Cloudy

78%
RAIN
***

0% Thunder
( 3% severe)

ESE 12

71%

44°

5 PM

52°

48°

Mostly Cloudy

ESE 12

80%

46°

8 PM

52°

48°

Mostly Cloudy

E 10

83%

47°


PORTSMOUTH, NH extended weather forecast
Monday 25 MAY 2026	Tuesday 26 MAY 2026	Wednesday 27 MAY 2026	Thursday 28 MAY 2026	Friday 29 MAY 2026
Low 48°	Low 53°	Low 56°	Low 51°	Low 49°
High 63°	High 74°	High 73°	High 66°	High 69°

Overcast 79% Rain	Mostly Cloudy 16% Rain	Partly Cloudy 27% Rain	Partly Cloudy 17% Rain	Partly Cloudy 27% Rain

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