PORTSMOUTH, NH 03804 Weather Forecast & Current Conditions

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03804 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
11:55 PM EDT MAY 19, 2025
Overcast 48°F
Feels Like:	44°F
Dewpoint:	41°F
Rel. Hum.:	77%
Visibility:	10 miles
Wind:	WNW at 9 mph
Pressure:	29.76 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)

03804 WEATHER FORECAST
10-Day model forecast maps 2024 Hurricanes	PORTSMOUTH, NH 03804 Weather Forecast	Snowfall Forecast pages Snow Depth pages

OVERNIGHT
Mostly cloudy. Lows in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

TUESDAY
Mostly cloudy. A slight chance of showers in the afternoon. Highs in the mid 50s. North winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

TUESDAY NIGHT
Mostly cloudy. A slight chance of showers in the evening. Lows in the mid 40s. Northeast winds around 10 mph. Chance of rain 20 percent.

WEDNESDAY
Mostly cloudy. Highs in the mid 50s. Northeast winds around 10 mph with gusts up to 20 mph.

WEDNESDAY NIGHT
Cloudy. A chance of showers after midnight. Lows in the mid 40s. East winds around 10 mph. Chance of rain 40 percent.

THURSDAY
Rain. Highs in the lower 50s. Chance of rain 80 percent.

THURSDAY NIGHT
Rain. Lows in the lower 40s. Chance of rain 80 percent.

FRIDAY
Rain likely, mainly in the morning. Highs in the lower 50s. Chance of rain 70 percent.

FRIDAY NIGHT
Mostly cloudy. A chance of rain in the evening, then a chance of showers after midnight. Lows in the mid 40s. Chance of rain 40 percent.

SATURDAY
Mostly cloudy with a 50 percent chance of showers. Highs in the upper 50s.

SATURDAY NIGHT
Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the mid 40s. Chance of rain 50 percent.

SUNDAY
Partly sunny. Highs in the mid 60s.

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

03804 WEATHER SATELLITE LOOPS

Visible Weather Satellite
PORTSMOUTH, NH 03804

Infrared Weather Satellite
PORTSMOUTH, NH 03804

03804 WEATHER RADAR LOOP

NEXRAD Weather Radar
PORTSMOUTH, NH 03804

MOS COMPUTER WEATHER FORECAST

PORTSMOUTH, NH 3 hourly weather forecast

weather forecast created 8:00 AM EDT 5/19/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
19 MAY 2025

2 PM

59°

56°

Mostly Cloudy

44%
RAIN
.01–.1 in

0% Thunder
( 1% severe)

NW 16

49%

40°

High 60°

5 PM

56°

52°

Mostly Cloudy

NW 16

51%

38°

Mostly Cloudy

Chance of Rain

8 PM

51°

47°

Mostly Cloudy

9%

0% Thunder
( 1% severe)

NW 12

61%

38°

11 PM

50°

46°

Mostly Cloudy

NW 10

63%

38°

Tuesday
20 MAY 2025

2 AM

49°

45°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

NW 9

66%

38°

Low 47°

5 AM

48°

44°

Mostly Cloudy

NW 9

71%

39°

High 60°

8 AM

51°

48°

Mostly Cloudy

3%

0% Thunder
( 1% severe)

NNW 9

66%

40°

Mostly Cloudy

11 AM

56°

54°

Mostly Cloudy

N 9

57%

41°

2 PM

57°

55°

Mostly Cloudy

6%

0% Thunder
( 2% severe)

NNE 8

57%

42°

5 PM

56°

54°

Mostly Cloudy

NE 7

59%

42°

8 PM

52°

52°

Mostly Cloudy

5%

0% Thunder
( 2% severe)

NE 3

71%

43°

11 PM

51°

51°

Mostly Cloudy

NE 2

74%

43°

Wednesday
21 MAY 2025

2 AM

49°

48°

Mostly Cloudy

3%

0% Thunder
( 2% severe)

ENE 3

80%

43°

Low 46°

5 AM

48°

46°

Mostly Cloudy

NE 5

80%

42°

High 56°

8 AM

50°

47°

Mostly Cloudy

2%

0% Thunder
( 3% severe)

NE 8

74%

42°

Mostly Cloudy

11 AM

53°

50°

Mostly Cloudy

ENE 9

59%

39°

2 PM

53°

49°

Mostly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 2% severe)

E 12

57%

38°

5 PM

52°

48°

Mostly Cloudy

E 10

61%

39°

8 PM

49°

45°

Mostly Cloudy

E 8

71%

40°


PORTSMOUTH, NH extended weather forecast
Thursday 22 MAY 2025	Friday 23 MAY 2025	Saturday 24 MAY 2025	Sunday 25 MAY 2025	Monday 26 MAY 2025
Low 44°	Low 45°	Low 44°	Low 47°	Low 52°
High 53°	High 56°	High 60°	High 70°	High 70°

Overcast 76% Rain	Overcast 78% Rain	Mostly Cloudy 50% Rain	Partly Cloudy 23% Rain	Overcast 28% Rain

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