Shelter Island, NY Weather Forecast

Local 7-day forecast

71°
F

Mostly Cloudy

Track current conditions, temperature changes, wind, and the full daily outlook for Shelter Island, NY in one place.

Sunday, July 19, 2026
Wind: 13 mph W
Overnight

Mostly cloudy, with a low around 71. West wind around 13 mph.

Local 7-day forecast

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: Jul 19, 2026 5:54 AM EDT.

The active forecast window currently covers Jul 19 to Jul 25, 2026 for Shelter Island, NY.

Page Snapshot

Page focus
city weather
Forecast window
Jul 19 to Jul 25, 2026
Latest sync
Jul 19, 2026 5:54 AM EDT
Forecast office
OKX
Source
NOAA / NWS
Next High
81°F
Sunday
Next Low
71°F
Overnight
Rain Outlook
7
Periods mentioning precipitation
Windiest
9 to 16 mph
Sunday

Daily Outlook

Today
Jul 19
Sunny
81 °F
/ 71°F
Wind 9 to 16 mph
Mon
Jul 20
Sunny
78 °F
/ 64°F
Wind 2 to 7 mph
Tue
Jul 21
Mostly Cloudy then Showers And Thunderstorms Likely
78 °F
/ 71°F
Wind 6 to 12 mph
Wed
Jul 22
Showers And Thunderstorms
80 °F
/ 67°F
Wind 15 mph
Thu
Jul 23
Chance Rain Showers
78 °F
/ 68°F
Wind 8 mph
Fri
Jul 24
Sunny
79 °F
/ 69°F
Wind 6 mph
Sat
Jul 25
Slight Chance Rain Showers
80 °F
Wind 1 to 7 mph

This Week in Shelter Island

Sunday looks like the warmest upcoming period in Shelter Island at 81 degrees F.

Monday Night is the coolest period ahead with temperatures near 64 degrees F.

The strongest winds are forecast for Sunday at about 9 to 16 mph NW.

Precipitation is mentioned in 7 upcoming forecast periods.

Forecast Details

Last updated
Jul 19, 2026 5:54 AM EDT
Coverage
7 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 source

Extended Forecast

Sunday
Jul 19
81°F
Sunny
9 to 16 mph NW

Sunny. High near 81, with temperatures falling to around 79 in the afternoon. Northwest wind 9 to 16 mph.

Sunday Night
Jul 19
65°F
Clear
3 to 8 mph NW

Clear. Low around 65, with temperatures rising to around 67 overnight. Northwest wind 3 to 8 mph.

Monday
Jul 20
78°F
Sunny
2 to 7 mph E

Sunny. High near 78, with temperatures falling to around 76 in the afternoon. East wind 2 to 7 mph.

Monday Night
Jul 20
64°F
Partly Cloudy
3 to 7 mph S

Partly cloudy. Low around 64, with temperatures rising to around 69 overnight. South wind 3 to 7 mph.

Tuesday
Jul 21
78°F
Mostly Cloudy then Showers And Thunderstorms Likely
6 to 12 mph SE

Showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Tuesday Night
Jul 21
71°F
Showers And Thunderstorms
10 to 15 mph S

Showers and thunderstorms. Cloudy, with a low around 71. Chance of precipitation is 100%.

Wednesday
Jul 22
80°F
Showers And Thunderstorms
15 mph SW

Showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 100%.

Wednesday Night
Jul 22
67°F
Showers And Thunderstorms Likely
7 to 13 mph W

Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

Thursday
Jul 23
78°F
Chance Rain Showers
8 mph NW

A chance of rain showers. Mostly sunny, with a high near 78. Chance of precipitation is 30%.

Thursday Night
Jul 23
68°F
Slight Chance Rain Showers
2 to 6 mph W

A slight chance of rain showers before 2am. Mostly clear, with a low around 68.

Friday
Jul 24
79°F
Sunny
6 mph E

Sunny, with a high near 79.

Friday Night
Jul 24
69°F
Partly Cloudy
1 to 5 mph SW

Partly cloudy, with a low around 69.

Saturday
Jul 25
80°F
Slight Chance Rain Showers
1 to 7 mph W

A slight chance of rain showers between 8am and 2pm. Mostly sunny, with a high near 80.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Jul 19
Mostly Cloudy
71°F
13 mph
W
Sunday
Jul 19
Sunny
81°F
9 to 16 mph
NW
Sunday Night
Jul 19
Clear
65°F
3 to 8 mph
NW
Monday
Jul 20
Sunny
78°F
2 to 7 mph
E
Monday Night
Jul 20
Partly Cloudy
64°F
3 to 7 mph
S
Tuesday
Jul 21
Mostly Cloudy then Showers And Thunderstorms Likely
78°F
6 to 12 mph
SE
Tuesday Night
Jul 21
Showers And Thunderstorms
71°F
10 to 15 mph
S
Wednesday
Jul 22
Showers And Thunderstorms
80°F
15 mph
SW
Wednesday Night
Jul 22
Showers And Thunderstorms Likely
67°F
7 to 13 mph
W
Thursday
Jul 23
Chance Rain Showers
78°F
8 mph
NW
Thursday Night
Jul 23
Slight Chance Rain Showers
68°F
2 to 6 mph
W
Friday
Jul 24
Sunny
79°F
6 mph
E
Friday Night
Jul 24
Partly Cloudy
69°F
1 to 5 mph
SW
Saturday
Jul 25
Slight Chance Rain Showers
80°F
1 to 7 mph
W
Shelter island marker
Shelter island marker image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.