Shelter Island, NY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Shelter Island, NY in one place.
Mostly sunny. High near 67, with temperatures falling to around 65 in the afternoon. Northeast wind 20 to 23 mph, with gusts as high as 40 mph.
Local Weather Overview
This forecast page for Shelter Island, NY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 22, 2026 12:15 PM EDT.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for Shelter Island, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 12:15 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Shelter Island
Wednesday looks like the warmest upcoming period in Shelter Island at 67 degrees F.
Thursday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Saturday at about 24 to 28 mph N.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 22, 2026 12:15 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- OKX
- Radar station
- KOKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 56. Northeast wind 20 to 23 mph, with gusts as high as 37 mph.
Partly sunny. High near 66, with temperatures falling to around 64 in the afternoon. Northeast wind 17 to 23 mph, with gusts as high as 40 mph.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Rain showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Rain showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
Rain showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
A chance of rain showers. Partly sunny, with a high near 67. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 66.
Partly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Mostly Sunny
|
67°F |
20 to 23 mph
NE
|
|
Wednesday Night
Sep 23
|
Mostly Cloudy
|
56°F |
20 to 23 mph
NE
|
|
Thursday
Sep 24
|
Partly Sunny
|
66°F |
17 to 23 mph
NE
|
|
Thursday Night
Sep 24
|
Chance Rain Showers
|
55°F |
18 to 22 mph
NE
|
|
Friday
Sep 25
|
Chance Rain Showers
|
67°F |
25 mph
N
|
|
Friday Night
Sep 25
|
Rain Showers Likely
|
56°F |
23 to 26 mph
N
|
|
Saturday
Sep 26
|
Rain Showers Likely
|
66°F |
24 to 28 mph
N
|
|
Saturday Night
Sep 26
|
Rain Showers Likely
|
56°F |
23 mph
N
|
|
Sunday
Sep 27
|
Chance Rain Showers
|
67°F |
15 to 22 mph
N
|
|
Sunday Night
Sep 27
|
Chance Rain Showers
|
57°F |
12 to 16 mph
N
|
|
Monday
Sep 28
|
Slight Chance Rain Showers then Mostly Sunny
|
66°F |
13 to 16 mph
N
|
|
Monday Night
Sep 28
|
Partly Cloudy
|
57°F |
7 to 12 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Shelter Island.