Weather forecast for 10 daysShelter Island, CA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 82°F
  • 64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphWNW 299°
  • Humidity: 36%
  • UV index: 6
  • Sunrise: 6:55 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
On Sunday, in Shelter Island, sunshine is forecasted under mostly clear skies.
A temperature range of a warm 82.4°F to a comfortable 64.4°F is predicted.
Sunrise was at 6:55 am and sunset will be at 6:12 pm; the daylight will last for 11h and 17min.

10-day overview

Daily temperatures

Warmest day: today 82°C.
Coldest day: Thursday 72°C.

Chance of precipitation

Highest chance: Thursday 71%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 82°F
  • 64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphWNW 299°
  • Humidity: 36%
  • UV index: 6
  • Sunrise: 6:55 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 79°F
  • 66°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 10mphW 263°
  • Humidity: 65%
  • UV index: 6
  • Sunrise: 6:56 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 75°F
  • 66°F
AM Fog / PM Sun
AM Fog / PM Sun
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 10mphSW 223°
  • Humidity: 74%
  • UV index: 6
  • Sunrise: 6:57 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 77°F
  • 64°F
PM Showers
PM Showers
  • Precip. probability: 49%
  • Precipitation: 0.35"
  • Wind: 13mphSSW 193°
  • Humidity: 68%
  • UV index: 6
  • Sunrise: 6:57 am PDT
  • Sunset: 6:09 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 63°F
AM Thundershowers
AM Thundershowers
  • Precip. probability: 71%
  • Precipitation: 0.12"
  • Wind: 11mphWSW 245°
  • Humidity: 68%
  • UV index: 6
  • Sunrise: 6:58 am PDT
  • Sunset: 6:08 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 73°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 12mphNW 317°
  • Humidity: 62%
  • UV index: 6
  • Sunrise: 6:59 am PDT
  • Sunset: 6:06 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 77°F
  • 64°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 11mphNW 319°
  • Humidity: 57%
  • UV index: 6
  • Sunrise: 7:00 am PDT
  • Sunset: 6:05 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 77°F
  • 63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 11mphW 273°
  • Humidity: 58%
  • UV index: 5
  • Sunrise: 7:00 am PDT
  • Sunset: 6:04 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 75°F
  • 63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 11mphW 266°
  • Humidity: 58%
  • UV index: 5
  • Sunrise: 7:01 am PDT
  • Sunset: 6:03 pm PDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 73°F
  • 63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 11mphWNW 295°
  • Humidity: 59%
  • UV index: 5
  • Sunrise: 7:02 am PDT
  • Sunset: 6:02 pm PDT
  • ▼
Unstable weather is expected throughout the next ten days.
Rainfall is anticipated on Wednesday and Thursday.
In the upcoming period, the maximum temperature will vary between 71.6°F and 82.4°F, while the nighttime low will be mostly stable, as the minimum temperature will fluctuate between 62.6°F and 66.2°F.
Today is the warmest day, with a maximum temperature of 82.4°F; expect the coldest day on Thursday with a high of 71.6°F.
Updated: Oct 18, 2026 @ 14:44:55 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, skies are expected to be clear and full of sunshine.

Today, the highest temperature will be 82.4°F, while the lowest temperature will be 64.4°F.

On Sunday, in Shelter Island, sunrise was at 6:55 am and sunset will be at 6:12 pm (PDT).

Today, the daylight will last for 11h and 17min.