PORTSMOUTH, NH 03803 Weather Forecast & Current Conditions

Local Weather
- Local weather by ZIP or City
- Local area snow depth
- CURRENT WEATHER MAPS
- - Fronts & Pressure Centers
- - Current U.S. Temperatures
- - Northwest U.S.
- - Northeast U.S.
- - Mid-Atlantic U.S.
- - Midwest U.S.
- - Central Plains U.S.
- - Southeast U.S.
- - Southern Plains U.S.
- - Southwest U.S.
- - Alaska
10 Day Forecasts
Other Forecasts
- Snowstorm Forecast
- U.S. 6-hourly Snowfall Forecast
- 3 DAY NAM MODEL FORECASTS
- - Clouds & Precipitation
- - Temperature
- 7 DAY NWS FORECASTS
- - Weather Type
- - Precip. Probability
- - High Temperatures
- - Low Temperatures
- - Cloud Cover
- - Wind
- - Relative Humidity
- - Dewpoint
- - Snowfall
- SEASONAL FORECASTS
- - Temperature
- - Precipitation
Severe Weather
Radar
- U.S. RADAR (NWS interactive)
- U.S. RADAR (by state)
Satellite

03803 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
9:55 PM EDT MAY 27, 2026
Overcast 73°F
Feels Like:	73°F
Dewpoint:	46°F
Rel. Hum.:	38%
Visibility:	10 miles
Wind:	NNW at 10 mph
Pressure:	29.73 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
Partly cloudy in the evening, then clearing. Lows in the mid 50s. Northwest winds around 10 mph in the evening, becoming light and variable.

THURSDAY
Partly sunny with scattered showers in the morning, then mostly cloudy with numerous showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Light and variable winds. Chance of rain 70 percent.

THURSDAY NIGHT
Partly cloudy. Scattered showers in the evening. Lows around 50. Light and variable winds. Chance of rain 50 percent.

FRIDAY
Partly sunny. A chance of showers in the afternoon. Highs in the mid 60s. Light and variable winds, becoming southeast around 10 mph in the afternoon. Chance of rain 40 percent.

FRIDAY NIGHT
Rain. Lows in the upper 40s. Chance of rain 90 percent.

SATURDAY
Rain. Highs in the mid 50s. Chance of rain 80 percent.

SATURDAY NIGHT
Partly cloudy. A chance of rain in the evening. Lows in the lower 40s. Chance of rain 40 percent.

SUNDAY
Partly sunny. Highs in the lower 60s.

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

MONDAY
Partly sunny with a 50 percent chance of showers. Highs in the lower 60s.

MONDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the upper 40s. Chance of rain 40 percent.

TUESDAY
Partly sunny with a 40 percent chance of showers. Highs in the mid 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 5/27/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
27 MAY 2026

2 PM

84°

83°

Mostly Cloudy

4%

0% Thunder
( 1% severe)

WNW 10

37%

55°

High 85°

5 PM

81°

81°

Clear

NW 10

42%

56°

Partly Cloudy

8 PM

72°

72°

Mostly Cloudy

4%

0% Thunder
( 2% severe)

NNW 7

53%

54°

11 PM

65°

65°

Partly Cloudy

N 5

65%

53°

Thursday
28 MAY 2026

2 AM

59°

59°

Clear

4%

0% Thunder
( 1% severe)

NW 5

72%

50°

Low 56°

5 AM

56°

55°

Partly Cloudy

NW 5

80%

50°

High 70°

8 AM

61°

61°

Partly Cloudy

51%
RAIN
.1–.25 in

0% Thunder
( 14% severe)

NNW 6

70%

51°

Mostly Cloudy

Rain Likely

11 AM

66°

66°

Mostly Cloudy

NNW 7

56%

50°

2 PM

66°

66°

Mostly Cloudy

65%
RAIN
***

0% Thunder
( 18% severe)

N 6

58%

51°

5 PM

64°

64°

Partly Cloudy

NNW 6

65%

52°

8 PM

60°

61°

Partly Cloudy

11%
RAIN
.01–.1 in

0% Thunder
( 3% severe)

CALM

69%

50°

11 PM

55°

55°

Partly Cloudy

NNW 2

80%

49°

Friday
29 MAY 2026

2 AM

52°

52°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

CALM

83%

47°

Low 50°

5 AM

50°

50°

Mostly Cloudy

CALM

86%

46°

High 68°

8 AM

56°

56°

Partly Cloudy

8%

0% Thunder
( 1% severe)

CALM

74%

48°

Mostly Cloudy

Chance of Rain

11 AM

64°

65°

Partly Cloudy

NNW 5

50%

45°

2 PM

64°

64°

Mostly Cloudy

35%
RAIN
***

0% Thunder
( 3% severe)

SE 8

50%

45°

5 PM

61°

60°

Mostly Cloudy

SE 9

60%

47°

8 PM

58°

57°

Mostly Cloudy

SSE 7

69%

48°


PORTSMOUTH, NH extended weather forecast
Saturday 30 MAY 2026	Sunday 31 MAY 2026	Monday 1 JUN 2026	Tuesday 2 JUN 2026	Wednesday 3 JUN 2026
Low 48°	Low 44°	Low 49°	Low 52°	Low 55°
High 53°	High 66°	High 66°	High 71°	High 75°

Overcast 91% Rain	Mostly Cloudy 15% Rain	Overcast 30% Rain	Mostly Cloudy 30% Rain	Partly Cloudy 30% Rain

WEATHER SELECT BOX EXAMPLES:

for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:

Portsmouth, NH
Portsmouth, NH snow
Portsmouth, NH radar
NH map

-or-
-or-
-or-

03803
03803 snow
03803 radar

-or-
-or-

NH
NH snow

Copyright © 2024 WeatherStreet.com

Put our free WeatherStreet weather lookup on your web page.

Terms & Conditions
This is not clickable - please e-mail us separately

This is not clickable - please e-mail us separately