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
1:55 AM EDT OCT 16, 2026
Overcast 45°F
Feels Like:	45°F
Dewpoint:	43°F
Rel. Hum.:	93%
Visibility:	10 miles
Wind:	Calm
Pressure:	30.12 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

TODAY
Showers. Highs in the upper 60s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.

TONIGHT
Mostly cloudy with showers likely in the evening, then partly cloudy after midnight. Lows in the lower 40s. Southwest winds around 10 mph, becoming west after midnight. Gusts up to 25 mph. 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 25 mph in the evening, becoming light and variable.

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

SUNDAY NIGHT
Mostly clear. Lows in the mid 30s.

MONDAY
Partly sunny. Highs in the upper 50s.

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

TUESDAY
Partly sunny. Highs in the lower 60s.

TUESDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the lower 40s.

WEDNESDAY
Mostly sunny. Highs in the upper 50s.

WEDNESDAY NIGHT
Mostly clear. Lows in the upper 30s.

THURSDAY
Partly sunny. Highs in the mid 50s.

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 10/15/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
16 OCT 2026

2 AM

42°

41°

Mostly Cloudy

38%
RAIN
<.01 in

0% Thunder
( 0% severe)

CALM

89%

39°

Low 41°

5 AM

45°

44°

Mostly Cloudy

S 3

82%

40°

High 69°

8 AM

48°

44°

Mostly Cloudy

99%
RAIN
***

0% Thunder
( 8% severe)

SSE 9

83%

43°

Mostly Cloudy

Rain

11 AM

51°

46°

Mostly Cloudy

SSE 13

96%

50°

2 PM

56°

53°

Mostly Cloudy

75%
RAIN
.5–1 in

0% Thunder
( 16% severe)

S 12

100%

56°

5 PM

63°

62°

Mostly Cloudy

SSW 12

97%

62°

8 PM

65°

65°

Mostly Cloudy

54%
RAIN
.01–.1 in

0% Thunder
( 9% severe)

SW 12

93%

63°

11 PM

62°

61°

Mostly Cloudy

WSW 10

93%

60°

Saturday
17 OCT 2026

2 AM

55°

52°

Mostly Cloudy

6%

0% Thunder
( 0% severe)

WNW 13

86%

51°

Low 41°

5 AM

45°

39°

Mostly Cloudy

WNW 14

79%

39°

High 53°

8 AM

41°

34°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

WNW 12

82%

36°

Decreasing Clouds

11 AM

46°

39°

Mostly Cloudy

NW 15

58%

32°

2 PM

49°

43°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NW 17

40%

26°

5 PM

46°

39°

Clear

NW 15

36%

21°

8 PM

40°

34°

Clear

0%

0% Thunder
( 0% severe)

NW 9

47%

22°

11 PM

37°

32°

Clear

NW 7

55%

23°


PORTSMOUTH, NH extended weather forecast
Sunday 18 OCT 2026	Monday 19 OCT 2026	Tuesday 20 OCT 2026	Wednesday 21 OCT 2026	Thursday 22 OCT 2026
Low 30°	Low 35°	Low 39°	Low 42°	Low 41°
High 52°	High 55°	High 59°	High 53°	High 55°

Clear 2% Rain/Snow	Partly Cloudy 9% Rain	Partly Cloudy 19% Rain	Partly Cloudy 16% Rain	Mostly Cloudy 25% Rain

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 © 2026 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