Weather forecast for 10 daysSyosset, NY

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 57°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphNNE 30°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:08 am EDT
  • Sunset: 6:09 pm EDT
  • ▼
Today, in Syosset, the weather remains calm, bright, and sunny.
The temperature will fluctuate from a high of a refreshing 57.2°F to a low of a chilly 44.6°F.
Forecasts suggest the maximum temperature will be a few degrees lower than October's average of 62.4°F.
Sunrise will be at 7:08 am and sunset at 6:09 pm; the daylight will last for 11h and 1min.

10-day overview

Daily temperatures

Maximum temperature: 66°C.
Coldest day: today 57°C.

Chance of precipitation

Highest chance: Thursday 24%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 57°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphNNE 30°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:08 am EDT
  • Sunset: 6:09 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 63°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 17mphNE 34°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:09 am EDT
  • Sunset: 6:07 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 66°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 17mphNNE 22°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:11 am EDT
  • Sunset: 6:06 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 61°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 16mphNNE 29°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:12 am EDT
  • Sunset: 6:05 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 63°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 14mphN 3°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:13 am EDT
  • Sunset: 6:03 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 59°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphNNE 17°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:14 am EDT
  • Sunset: 6:02 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 59°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 11mphNE 40°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:15 am EDT
  • Sunset: 6:00 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 61°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 9mphNNW 346°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:16 am EDT
  • Sunset: 5:59 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 66°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 9mphNNW 330°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:17 am EDT
  • Sunset: 5:58 pm EDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 64°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 11mphN 355°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:18 am EDT
  • Sunset: 5:56 pm EDT
  • ▼
It is expected that a combination of mostly clear and cloud-filled weather is predicted.
Rainfall is not anticipated in Syosset in the upcoming period.
In the upcoming period, the maximum temperature will vary between 57.2°F and 66.2°F, while the minimum temperature is forecast to range between 41°F and 50°F.
Tuesday and next Monday, with the highest temperature of 66.2°F, will be the warmest days; today is the coldest day, with a maximum temperature of 57.2°F.
Updated: Oct 18, 2026 @ 06:46:33 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, sunny skies are in store, with excellent visibility.

Today, the highest temperature will be 57.2°F, while the lowest temperature will be 44.6°F.
The highest temperature will be relatively lower than the average maximum of 62.4°F in October. The lowest temperature today will be uncommonly lower than the average low of 54.5°F.

On Sunday, in Syosset, sunrise will be at 7:08 am and sunset at 6:09 pm (EDT).

In Syosset, the length of the day today will be 11h and 1min.