43.0783’ N, 70.7517’ W

Portsmouth, NH

46°
H 54°
L 44°
WNW
9mph
High tide
10:24 am

Portsmouth, NH Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sun
Nov 8
Cloudy
Close Hourly
54º / 44º 16% WNW 17 mph 71%
6am Cloudy 46º 10% WNW 9 mph 90%
7am Cloudy 45º 5% WNW 10 mph 90%
8am Cloudy 46º 5% WNW 11 mph 81%
9am Mostly Cloudy 49º 3% WNW 14 mph 71%
10am Mostly Cloudy 51º 2% WNW 15 mph 65%
11am Cloudy 52º 1% WNW 17 mph 63%
12pm Cloudy 52º 1% WNW 16 mph 62%
1pm Cloudy 53º 2% WNW 16 mph 60%
2pm Cloudy 54º 1% WNW 16 mph 58%
3pm Cloudy 53º 1% WNW 15 mph 60%
4pm Partly Cloudy 52º 2% WNW 11 mph 63%
5pm Mostly Clear 49º 3% W 7 mph 69%
6pm Mostly Clear 47º 4% W 5 mph 74%
7pm Partly Cloudy 47º 6% W 5 mph 76%
8pm Mostly Cloudy 47º 6% WSW 5 mph 76%
9pm Partly Cloudy 46º 6% WSW 4 mph 79%
10pm Partly Cloudy 46º 5% WSW 5 mph 75%
11pm Cloudy 47º 9% WSW 5 mph 69%
Mon
Nov 9
AM Showers
View Hourly
57º / 42º 37% W 11 mph 65%
12am Mostly Cloudy 47º 21% WSW 5 mph 72%
1am Cloudy 46º 4% WSW 6 mph 74%
2am Cloudy 46º 4% WSW 5 mph 76%
3am Mostly Cloudy 45º 4% WSW 5 mph 78%
4am Cloudy 45º 4% WSW 5 mph 78%
5am Mostly Cloudy 45º 4% WSW 6 mph 79%
6am Mostly Cloudy 45º 4% WSW 5 mph 79%
7am Mostly Cloudy 45º 15% WSW 5 mph 81%
8am Mostly Cloudy 48º 17% WSW 6 mph 77%
9am Showers 51º 37% W 8 mph 70%
10am Showers 53º 37% W 8 mph 66%
11am Cloudy 54º 24% WNW 9 mph 63%
12pm Cloudy 56º 24% WNW 9 mph 58%
1pm Cloudy 56º 21% WNW 10 mph 57%
2pm Mostly Cloudy 56º 15% WNW 10 mph 57%
3pm Cloudy 56º 15% WNW 11 mph 59%
4pm Mostly Cloudy 54º 15% WNW 11 mph 60%
5pm Partly Cloudy 52º 15% WNW 9 mph 64%
6pm Clear 50º 3% WNW 9 mph 67%
7pm Clear 50º 3% WNW 9 mph 68%
8pm Mostly Clear 49º 4% WNW 9 mph 69%
9pm Partly Cloudy 48º 4% WNW 8 mph 70%
10pm Partly Cloudy 48º 4% WNW 7 mph 71%
11pm Partly Cloudy 47º 4% WNW 7 mph 71%
Tue
Nov 10
Partly Cloudy
View Hourly
55º / 43º 4% WSW 9 mph 58%
12am Partly Cloudy 46º 4% WNW 7 mph 72%
1am Mostly Cloudy 46º 4% WNW 9 mph 71%
2am Mostly Cloudy 45º 4% WNW 8 mph 70%
3am Mostly Cloudy 44º 4% W 7 mph 71%
4am Mostly Cloudy 44º 4% W 7 mph 72%
5am Mostly Cloudy 43º 4% W 6 mph 73%
Wed
Nov 11
Partly Cloudy 57º / 37º 5% WNW 11 mph 56%
Thu
Nov 12
Mostly Cloudy 53º / 38º 24% ENE 7 mph 64%
Fri
Nov 13
Rain 44º / 35º 67% NNE 15 mph 66%
Sat
Nov 14
Showers 47º / 35º 46% NNW 12 mph 61%
Sun
Nov 15
Partly Cloudy 51º / 32º 18% NW 11 mph 59%

Weather Radar for Portsmouth, NH See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Portsmouth, NH

Sunday
High : 54ºF
WNW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of rain, mainly before 9am. Seas 1 ft or less.
Sunday Night
Low : 46ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Monday
High : 56ºF
WSW wind 5 to 10 kt becoming WNW in the afternoon. Mostly sunny. Seas 1 ft or less.
Monday Night
Low : 44ºF
WNW wind around 10 kt. Mostly clear. Seas 1 ft or less.
Tuesday
High : 55ºF
W wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.
Tuesday Night
Low : 46ºF
WSW wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.
Veterans Day
High : 55ºF
WNW wind 5 to 10 kt. Sunny. Seas 1 ft or less.
Wednesday Night
Low : 40ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Thursday
High : 50ºF
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

NOAA Buoy Data Near Portsmouth, NH See Map

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    Wind Speed Forecast for Portsmouth, NH

    SundayMondayTuesday
    Wind Speed (MPH) 915165555810978
    11am3pm7pm11pm3am7am11am3pm7pm11pm3am7am
    MPH 915165555810978
    DIR WNWWNWWNWWWSWWSWWSWWWNWWNWWNWWNW

    Current Weather Conditions In Portsmouth, NH

    As Of: 37 minutes ago

    • 46ºF
    • 41ºF
    • 9mph
    • 0º (WNW)
    • 9mph
    • Cloudy
    • 7mi
    • 29.61"
    • 90%
    • 0ºF

    The weather right now in Portsmouth, NH is Cloudy. The current temperature is 46°F, and the expected high and low for today, Sunday, November 8, 2026, are 54° high temperature and 44°F low temperature. The wind is currently blowing at 9 miles per hour, and coming from the West Northwest. The wind is gusting to 9 mph. With the wind and the atmosphere the temperature feels like 41° Fahrenheit. Expected precipitation is 10 percent, with current humidity at 90 percent, and air pressure at 29.61 in. Visibility is 7 nautical miles. There are 1 current weather alert(s).

     

    Weather Alerts
    Small Craft Advisory - 1:35am Sun Nov 8 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 7 PM EST THIS EVENING...

    WHAT: Northwest winds 10 to 20 kt with gusts up to 30 kt and
    seas 2 to 5 ft expected.

    WHERE: Coastal Waters from Stonington, ME to Port Clyde, ME
    out 25 NM, Coastal Waters from Port Clyde, ME to Cape
    Elizabeth, ME out 25 NM and Coastal Waters from Cape
    Elizabeth, ME to Merrimack River, MA out 25 NM.

    WHEN: From 7 AM this morning to 7 PM EST this evening.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&