Seavey Island, NH Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Jun 29
Mostly Clear -º / 60º 4% SW 2 mph 88%
Tue
Jun 30
Mostly Cloudy
View Hourly
79º / 68º 24% S 10 mph 68%
12am Clear 62º 2% SW 1 mph 90%
1am Clear 62º 2% SW 1 mph 90%
2am Clear 61º 2% SW 1 mph 92%
3am Mostly Clear 62º 3% WSW 2 mph 89%
4am Partly Cloudy 61º 3% WSW 2 mph 90%
5am Partly Cloudy 60º 3% SW 1 mph 91%
6am Partly Cloudy 62º 3% SSW 1 mph 89%
7am Mostly Cloudy 65º 6% SSW 2 mph 86%
8am Partly Cloudy 68º 5% SSW 2 mph 81%
9am Partly Cloudy 72º 4% SSW 4 mph 74%
10am Partly Cloudy 75º 3% S 5 mph 68%
11am Partly Cloudy 77º 3% S 6 mph 63%
12pm Mostly Cloudy 78º 3% SSE 7 mph 61%
1pm Cloudy 78º 3% SSE 8 mph 61%
2pm Mostly Cloudy 77º 5% SE 10 mph 63%
3pm Cloudy 77º 15% SSE 9 mph 63%
4pm Mostly Cloudy 77º 18% SSE 10 mph 65%
5pm Mostly Cloudy 76º 19% SSE 9 mph 66%
6pm Cloudy 75º 24% SSE 8 mph 67%
7pm Mostly Cloudy 74º 13% SSE 7 mph 69%
8pm Mostly Cloudy 73º 13% S 6 mph 73%
9pm Mostly Cloudy 72º 21% S 5 mph 76%
10pm Mostly Cloudy 72º 11% S 5 mph 77%
11pm Mostly Cloudy 72º 24% S 5 mph 77%
Wed
Jul 1
Partly Cloudy
View Hourly
92º / 75º 10% SW 8 mph 63%
12am Showers 72º 46% SSW 6 mph 78%
1am Showers 72º 46% SSW 5 mph 80%
2am Showers 70º 35% SSW 5 mph 84%
3am Mostly Cloudy 70º 18% SW 6 mph 86%
4am Partly Cloudy 69º 11% SW 5 mph 85%
5am Partly Cloudy 69º 11% SW 5 mph 83%
6am Partly Cloudy 70º 11% SW 6 mph 83%
7am Partly Cloudy 72º 11% SW 6 mph 81%
8am Mostly Sunny 74º 4% SW 7 mph 79%
9am Mostly Sunny 78º 3% WSW 7 mph 73%
10am Partly Cloudy 82º 2% WSW 8 mph 66%
11am Partly Cloudy 86º 1% WSW 7 mph 61%
12pm Partly Cloudy 89º 1% WSW 7 mph 57%
1pm Partly Cloudy 90º 1% SW 7 mph 56%
2pm Partly Cloudy 90º 2% SSW 8 mph 56%
3pm Partly Cloudy 89º 1% SSW 7 mph 56%
4pm Mostly Cloudy 89º 1% SSW 8 mph 58%
5pm Partly Cloudy 88º 2% SW 8 mph 58%
6pm Partly Cloudy 87º 3% SSW 7 mph 60%
7pm Partly Cloudy 86º 3% SSW 7 mph 62%
8pm Mostly Sunny 84º 4% SSW 6 mph 67%
9pm Mostly Clear 82º 5% SSW 5 mph 74%
10pm Mostly Clear 80º 4% SW 6 mph 77%
11pm Partly Cloudy 79º 5% SW 6 mph 81%
Thu
Jul 2
Sunny 96º / 75º 10% W 9 mph 56%
Fri
Jul 3
Mostly Sunny 94º / 72º 21% W 11 mph 55%
Sat
Jul 4
PM Thunderstorms 87º / 68º 56% W 9 mph 58%
Sun
Jul 5
Partly Cloudy 83º / 66º 15% NE 8 mph 62%
Mon
Jul 6
AM Showers 78º / 64º 42% E 9 mph 69%

Weather Radar for Seavey Island, NH See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Seavey Island, NH

Overnight
Low : 59ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Tuesday
High : 86ºF
Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.
Tuesday Night
Low : 67ºF
Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas 1 ft or less.
Wednesday
High : 94ºF
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Wednesday Night
Low : 73ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Thursday
High : 99ºF
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Thursday Night
Low : 74ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Friday
High : 96ºF
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Friday Night
Low : 70ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

NOAA Buoy Data Near Seavey Island, NH See Map

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    Wind Speed Forecast for Seavey Island, NH

    TuesdayWednesdayThursday
    Wind Speed (MPH) 1227106657786
    4am8am12pm4pm8pm12am4am8am12pm4pm8pm12am
    MPH 1227106657786
    DIR SWWSWSSWSSESSESSSWSWSWWSWSSWSSW

    Current Weather Conditions In Seavey Island, NH

    As Of: 21 minutes ago

    • 62ºF
    • 62ºF
    • 1mph
    • 0º (SW)
    • 1mph
    • Clear
    • 10mi
    • 30.12"
    • 90%
    • 0ºF

    The weather right now in Seavey Island, NH is Clear. The current temperature is 62°F, and the expected high and low for today, Tuesday, June 30, 2026, are -° high temperature and 60°F low temperature. The wind is currently blowing at 1 miles per hour, and coming from the Southwest. The wind is gusting to 1 mph. With the wind and the atmosphere the temperature feels like 62° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 90 percent, and air pressure at 30.12 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Extreme Heat Watch - 2:24pm Mon Jun 29 2026

    ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING...

    WHAT: Dangerously hot conditions with heat index values up to 110
    possible.

    WHERE: Portions of south central, southwest, and western Maine
    and central, northern, and southern New Hampshire.

    WHEN: From Wednesday afternoon through Friday evening.

    IMPACTS: Heat related illnesses increase significantly during
    extreme heat and high humidity events.

    ADDITIONAL DETAILS: Overnight low temperatures will only fall
    into the 70s, resulting in accumulated heat stress.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Drink plenty of fluids, stay in an air-conditioned room, stay out of
    the sun, and check up on relatives and neighbors.

    Do not leave young children and pets in unattended vehicles. Car
    interiors will reach lethal temperatures in a matter of minutes.

    &&