41.0350’ N, 72.1900’ W

Three Mile Harbor, NY

50°
H 52°
L 40°
N
16mph
High tide
3:49 pm

Three Mile Harbor, NY Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Oct 17
Cloudy
Close Hourly
52º / 40º 4% N 17 mph 52%
11am Cloudy 50º 3% N 16 mph 60%
12pm Cloudy 51º 2% N 17 mph 57%
1pm Cloudy 51º 2% N 17 mph 53%
2pm Cloudy 51º 1% NNW 17 mph 51%
3pm Cloudy 51º 1% NNW 17 mph 49%
4pm Cloudy 52º 0% N 17 mph 46%
5pm Cloudy 51º 0% N 17 mph 45%
6pm Mostly Cloudy 50º 0% N 16 mph 45%
7pm Partly Cloudy 47º 0% N 14 mph 51%
8pm Mostly Clear 46º 0% N 16 mph 53%
9pm Clear 45º 0% N 17 mph 55%
10pm Clear 44º 0% N 16 mph 56%
11pm Clear 44º 0% N 14 mph 55%
Sun
Oct 18
Sunny
View Hourly
55º / 45º 0% NE 14 mph 47%
12am Clear 44º 0% NNE 15 mph 53%
1am Clear 43º 0% NNE 15 mph 53%
2am Clear 42º 0% NNE 15 mph 54%
3am Clear 42º 0% NNE 15 mph 55%
4am Clear 41º 0% NNE 15 mph 58%
5am Clear 41º 0% NNE 14 mph 58%
6am Clear 41º 0% NNE 14 mph 58%
7am Clear 41º 0% NNE 12 mph 58%
8am Sunny 43º 0% NNE 14 mph 58%
9am Sunny 47º 0% NE 14 mph 52%
10am Sunny 48º 0% NE 12 mph 46%
11am Sunny 49º 0% NE 12 mph 44%
12pm Sunny 51º 0% NE 7 mph 42%
1pm Sunny 52º 0% NE 6 mph 41%
2pm Sunny 53º 0% NE 5 mph 41%
3pm Sunny 53º 0% NE 4 mph 41%
4pm Sunny 54º 0% ENE 4 mph 41%
5pm Sunny 53º 0% ENE 3 mph 44%
6pm Sunny 51º 0% E 2 mph 52%
7pm Clear 47º 0% E 1 mph 63%
8pm Clear 46º 0% E 2 mph 67%
9pm Clear 46º 1% E 2 mph 71%
10pm Clear 46º 2% E 2 mph 75%
11pm Clear 46º 2% E 3 mph 76%
Mon
Oct 19
Partly Cloudy
View Hourly
60º / 49º 4% NE 16 mph 63%
12am Clear 47º 2% E 3 mph 76%
1am Clear 46º 2% ENE 5 mph 76%
2am Clear 46º 3% E 5 mph 78%
3am Clear 46º 3% ENE 6 mph 78%
4am Clear 46º 3% ENE 7 mph 79%
5am Clear 47º 4% ENE 7 mph 79%
6am Clear 47º 4% ENE 8 mph 80%
7am Clear 48º 4% NE 11 mph 78%
8am Sunny 49º 3% NE 14 mph 77%
9am Sunny 52º 3% NE 16 mph 70%
10am Sunny 54º 2% NE 16 mph 65%
Tue
Oct 20
AM Clouds/PM Sun 63º / 48º 6% NNE 18 mph 60%
Wed
Oct 21
Partly Cloudy/Wind 59º / 47º 14% NE 21 mph 67%
Thu
Oct 22
AM Showers 59º / 48º 39% NNE 18 mph 69%
Fri
Oct 23
Partly Cloudy 58º / 47º 24% NNE 16 mph 60%
Sat
Oct 24
Partly Cloudy 59º / 46º 22% NNE 18 mph 62%

Weather Radar for Three Mile Harbor, NY See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Three Mile Harbor, NY

Today
High : 52ºF
N wind 12 to 15 kt, with gusts as high as 23 kt. A chance of showers before 11am. Seas 1 ft or less.
Tonight
Low : 43ºF
N wind 12 to 14 kt, with gusts as high as 21 kt. Mostly clear. Seas 1 ft or less.
Sunday
High : 54ºF
NNE wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.
Sunday Night
Low : 49ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Monday
High : 59ºF
NE wind around 12 kt. Mostly sunny. Seas 1 ft or less.
Monday Night
Low : 51ºF
NNE wind 12 to 15 kt, with gusts as high as 21 kt. Mostly cloudy. Seas 1 ft or less.
Tuesday
High : 62ºF
NNE wind 13 to 16 kt, with gusts as high as 24 kt. Partly sunny. Seas 1 ft or less.
Tuesday Night
Low : 49ºF
NNE wind 10 to 13 kt, with gusts as high as 26 kt. Partly cloudy. Seas 1 ft or less.
Wednesday
High : 59ºF
NE wind around 15 kt, with gusts as high as 30 kt. Mostly sunny. Seas 1 ft or less.

NOAA Buoy Data Near Three Mile Harbor, NY See Map

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    Wind Speed Forecast for Three Mile Harbor, NY

    SaturdaySundayMonday
    Wind Speed (MPH) 16171414151212413611
    3pm7pm11pm3am7am11am3pm7pm11pm3am7am11am
    MPH 16171414151212413611
    DIR NNNWNNNNENNENENEEEENENE

    Current Weather Conditions In Three Mile Harbor, NY

    As Of: 31 minutes ago

    • 50ºF
    • 44ºF
    • 16mph
    • 0º (N)
    • 23mph
    • Cloudy
    • 10mi
    • 30.10"
    • 60%
    • 0ºF

    The weather right now in Three Mile Harbor, NY is Cloudy. The current temperature is 50°F, and the expected high and low for today, Saturday, October 17, 2026, are 52° high temperature and 40°F low temperature. The wind is currently blowing at 16 miles per hour, and coming from the North. The wind is gusting to 23 mph. With the wind and the atmosphere the temperature feels like 44° Fahrenheit. Expected precipitation is 3 percent, with current humidity at 60 percent, and air pressure at 30.1 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 9:19am Sat Oct 17 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING...

    WHAT: N winds 15 to 20 kt with gusts up to 25 kt.

    WHERE: Long Island Sound east of Port Jefferson and New Haven,
    and the south shore and eastern bays of Long Island.

    WHEN: Until 6 PM EDT 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.

    &&