43.0783’ N, 70.7517’ W

Portsmouth, NH

70°
H -°
L 56°
NNW
6mph
High tide
12:37 am

Portsmouth, NH Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Aug 28
Partly Cloudy -º / 56º 3% NW 6 mph 77%
Sat
Aug 29
Sunny
View Hourly
76º / 58º 5% WSW 9 mph 52%
12am Partly Cloudy 70º 1% NNW 6 mph 71%
1am Partly Cloudy 68º 1% NNW 6 mph 72%
2am Partly Cloudy 66º 1% NW 6 mph 71%
3am Partly Cloudy 64º 1% NW 5 mph 73%
4am Mostly Clear 62º 2% NW 5 mph 75%
5am Clear 59º 2% NW 4 mph 80%
6am Clear 58º 3% NW 5 mph 82%
7am Sunny 59º 5% NW 4 mph 81%
8am Sunny 63º 3% NW 4 mph 70%
9am Sunny 66º 1% NW 5 mph 62%
10am Sunny 69º 0% NW 5 mph 54%
11am Sunny 71º 0% WNW 4 mph 48%
12pm Sunny 74º 0% W 4 mph 44%
1pm Sunny 75º 0% SW 6 mph 42%
2pm Sunny 75º 0% S 7 mph 42%
3pm Sunny 75º 0% S 9 mph 43%
4pm Sunny 75º 0% S 8 mph 44%
5pm Sunny 74º 0% S 9 mph 45%
6pm Sunny 72º 1% S 8 mph 48%
7pm Sunny 70º 2% S 6 mph 55%
8pm Clear 68º 3% S 5 mph 61%
9pm Clear 65º 4% SSW 5 mph 70%
10pm Clear 64º 5% SSW 3 mph 76%
11pm Mostly Clear 62º 6% SW 2 mph 79%
Sun
Aug 30
Mostly Cloudy
View Hourly
84º / 61º 8% WSW 11 mph 53%
12am Partly Cloudy 61º 6% SW 2 mph 82%
1am Partly Cloudy 60º 6% WSW 3 mph 84%
2am Clear 60º 6% WSW 3 mph 84%
3am Partly Cloudy 59º 5% WSW 3 mph 84%
4am Mostly Cloudy 60º 4% WSW 4 mph 80%
5am Mostly Cloudy 60º 4% WSW 3 mph 79%
6am Mostly Cloudy 61º 4% WSW 4 mph 77%
7am Mostly Cloudy 62º 4% WSW 4 mph 77%
8am Mostly Cloudy 65º 3% WSW 5 mph 71%
9am Partly Cloudy 69º 1% WSW 6 mph 65%
10am Mostly Cloudy 73º 0% WSW 8 mph 57%
11am Partly Cloudy 77º 0% WSW 8 mph 52%
12pm Mostly Cloudy 80º 0% WSW 9 mph 46%
1pm Mostly Cloudy 82º 0% WSW 10 mph 43%
2pm Mostly Cloudy 82º 0% WSW 10 mph 43%
3pm Cloudy 82º 1% WSW 11 mph 43%
4pm Cloudy 82º 8% WSW 11 mph 43%
5pm Cloudy 81º 2% WSW 9 mph 47%
6pm Cloudy 79º 3% WSW 9 mph 49%
7pm Mostly Cloudy 76º 1% WSW 7 mph 57%
8pm Mostly Cloudy 73º 1% WSW 5 mph 63%
9pm Mostly Cloudy 72º 1% WSW 5 mph 65%
10pm Partly Cloudy 71º 2% W 6 mph 67%
11pm Partly Cloudy 69º 11% W 5 mph 71%
Mon
Aug 31
Sunny 76º / 60º 8% E 9 mph 59%
Tue
Sep 1
Cloudy 73º / 63º 24% ESE 9 mph 73%
Wed
Sep 2
Light Rain 71º / 65º 77% SE 11 mph 82%
Thu
Sep 3
Showers 78º / 63º 51% SW 10 mph 76%
Fri
Sep 4
Partly Cloudy 76º / 61º 19% NW 10 mph 69%

Weather Radar for Portsmouth, NH See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Portsmouth, NH

Tonight
Low : 62ºF
Variable winds 5 kt or less. Patchy fog before 11pm. Seas 1 ft or less.
Saturday
High : 71ºF
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Saturday Night
Low : 63ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Sunday
High : 79ºF
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Sunday Night
Low : 66ºF
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Monday
High : 71ºF
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Monday Night
Low : 63ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Tuesday
High : 69ºF
Variable winds 5 kt or less. A chance of showers. Seas 1 ft or less.
Tuesday Night
Low : 65ºF
Variable winds 5 kt or less. Showers likely. Seas 1 ft or less.

NOAA Buoy Data Near Portsmouth, NH See Map

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    Wind Speed Forecast for Portsmouth, NH

    SaturdaySundayMonday
    Wind Speed (MPH) 6544852459115
    4am8am12pm4pm8pm12am4am8am12pm4pm8pm12am
    MPH 6544852459115
    DIR NNWNWNWWSSSWWSWWSWWSWWSWWSW

    Current Weather Conditions In Portsmouth, NH

    As Of: 28 minutes ago

    • 70ºF
    • 70ºF
    • 6mph
    • 0º (NNW)
    • 6mph
    • Partly Cloudy
    • 10mi
    • 30.04"
    • 71%
    • 0ºF

    The weather right now in Portsmouth, NH is Partly Cloudy. The current temperature is 70°F, and the expected high and low for today, Saturday, August 29, 2026, are -° high temperature and 56°F low temperature. The wind is currently blowing at 6 miles per hour, and coming from the North Northwest. The wind is gusting to 6 mph. With the wind and the atmosphere the temperature feels like 70° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 71 percent, and air pressure at 30.04 in. Visibility is 10 nautical miles. There are no current weather alert(s).