Live Weather & Forecast

Weather in Shelter Island

New York, United States · Real-time conditions & 3-day outlook

Flag of United States
Overcast
11°C
Feels like 9°C
52°F / Feels 48°F
Overcast
Shelter Island, New York
🌞 Daytime
Updated: 2026-04-18 09:15
💧
Humidity
89%
💨
Wind
16.6 km/h NE
🌬️
Wind Gust
27.4 km/h
🌡️
Pressure
1019 mb
👁️
Visibility
16 km
☀️
UV Index
2 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
100%
💦
Dew Point
8.2°C
🌐
Wind Degree
45°

Air Quality Index

US EPA: Good UK DEFRA: Low (2)
CO
186.9 μg/m³
NO₂
11.9 μg/m³
O₃
71 μg/m³
SO₂
2.1 μg/m³
PM 2.5
12.4 μg/m³
PM 10
13.1 μg/m³

Weather Alerts 5

Met · Minor · Expected
Coastal Flood Statement issued April 17 at 10:17PM EDT until April 19 at 12:00AM EDT by NWS Upton NY

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southeast Suffolk County. * WHEN...Saturday evening. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline. * ADDITIONAL DETAILS...

Do not drive through flooded roadways.

Effective: 2026-04-17T22:17:00-04:00  ·  Expires: 2026-04-18T06:00:00-04:00
Met · Minor · Expected
Coastal Flood Advisory issued April 17 at 10:17PM EDT until April 19 at 2:00AM EDT by NWS Upton NY

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Northwest Suffolk, Northern Queens and Northern Nassau Counties. * WHEN...From 11 PM Saturday to 2 AM EDT Sunday. * IMPACTS...Minor flooding in the more vulnerable locations near the waterfront and shoreline. Some roads and low lying properties including parkin...

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

Effective: 2026-04-17T22:17:00-04:00  ·  Expires: 2026-04-18T06:00:00-04:00
Met · Minor · Expected
Coastal Flood Statement issued April 17 at 10:17PM EDT until April 19 at 2:00AM EDT by NWS Upton NY

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southwest Suffolk County. * WHEN...From Saturday evening into late Saturday night. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.

Do not drive through flooded roadways.

Effective: 2026-04-17T22:17:00-04:00  ·  Expires: 2026-04-18T06:00:00-04:00
Met · Minor · Expected
Coastal Flood Statement issued April 18 at 2:50AM EDT until April 19 at 12:00AM EDT by NWS Upton NY

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southeast Suffolk County. * WHEN...This evening. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.

Do not drive through flooded roadways.

Effective: 2026-04-18T02:50:00-04:00  ·  Expires: 2026-04-19T00:00:00-04:00
Met · Minor · Expected
Coastal Flood Statement issued April 18 at 2:50AM EDT until April 19 at 2:00AM EDT by NWS Upton NY

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southwest Suffolk County. * WHEN...From this evening through late tonight. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.

Do not drive through flooded roadways.

Effective: 2026-04-18T02:50:00-04:00  ·  Expires: 2026-04-19T02:00:00-04:00

Today's Hourly Forecast

24-hour breakdown for Shelter Island, New York

12 AM
Clear
10°
Clear
💧 91% 💨 18 km/h
1 AM
Mist
10°
Mist
💧 96% 💨 18 km/h
2 AM
Mist
10°
Mist
💧 95% 💨 18 km/h
3 AM
Partly Cloudy
10°
Partly Cloudy
💧 93% 💨 14.4 km/h
4 AM
Clear
9°
Clear
💧 90% 💨 12.6 km/h
5 AM
Clear
9°
Clear
💧 90% 💨 13 km/h
6 AM
Clear
9°
Clear
💧 91% 💨 13.7 km/h
7 AM
Overcast
10°
Overcast
💧 90% 💨 15.8 km/h
8 AM
Overcast
10°
Overcast
💧 85% 💨 16.9 km/h
9 AM
Overcast
11°
Overcast
💧 89% 💨 16.6 km/h
10 AM
Overcast
11°
Overcast
💧 87% 💨 17.3 km/h
11 AM
Cloudy
12°
Cloudy
💧 83% 💨 19.1 km/h
12 PM
Partly Cloudy
13°
Partly Cloudy
💧 79% 💨 19.4 km/h
1 PM
Sunny
14°
Sunny
💧 72% 💨 20.2 km/h
2 PM
Sunny
14°
Sunny
💧 73% 💨 19.8 km/h
3 PM
Sunny
14°
Sunny
💧 73% 💨 19.1 km/h
4 PM
Sunny
13°
Sunny
💧 75% 💨 22.3 km/h
5 PM
Partly Cloudy
12°
Partly Cloudy
💧 79% 💨 19.8 km/h
6 PM
Overcast
10°
Overcast
💧 81% 💨 20.5 km/h
7 PM
Cloudy
10°
Cloudy
💧 89% 💨 18.4 km/h
8 PM
Overcast
9°
Overcast
💧 90% 💨 14.8 km/h
9 PM
Patchy rain nearby
9°
Patchy rain nearby
💧 91% 💨 15.5 km/h 🌧️ 78%
10 PM
Patchy rain nearby
8°
Patchy rain nearby
💧 92% 💨 15.5 km/h 🌧️ 82%
11 PM
Cloudy
8°
Cloudy
💧 93% 💨 15.5 km/h

3-Day Forecast

Daily overview for Shelter Island, New York

Today
Cloudy
Cloudy
15° / 8°
🌧️ 0% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 22.3 km/h
🌧️ Total precip: 0.02 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:05 AM
🌇 Sunset: 07:33 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Sun, Apr 19
Moderate rain
Moderate rain
11° / 7°
🌧️ 87% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 29.2 km/h
🌧️ Total precip: 6.02 mm
☀️ UV Index: 0.4
🌅 Sunrise: 06:04 AM
🌇 Sunset: 07:34 PM
🌙 Waxing Crescent
🌑 Moon: 3% lit
Mon, Apr 20
Patchy rain nearby
Patchy rain nearby
7° / 6°
🌧️ 82% chance of rain
💧 Avg. humidity: 68%
💨 Max wind: 25.6 km/h
🌧️ Total precip: 1.99 mm
☀️ UV Index: 1
🌅 Sunrise: 06:02 AM
🌇 Sunset: 07:35 PM
🌙 Waxing Crescent
🌑 Moon: 9% lit

Best Time to Visit Shelter Island

Plan your trip to Shelter Island, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Shelter Island 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Shelter Island?
Current conditions in Shelter Island: Overcast, temperature 11°C, humidity 89%.
What is the best time to visit Shelter Island?
The best time to visit Shelter Island is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Shelter Island?
Shelter Island is located at approximately 41.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Shelter Island?
The wettest period in Shelter Island is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Shelter Island?
For visits to Shelter Island during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Shelter Island in?
Shelter Island is located in United States, in the state of New York.
What are the public holidays in Shelter Island in 2026?
View the 2026 public holidays for Shelter Island on our Holidays page.
What are the GPS coordinates used for the weather forecast in Shelter Island?
The weather forecast for Shelter Island uses coordinates 41.0683, -72.3389.