Weather forecast for 10 daysIslip, NY

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 52°F
  • 39°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 19mphN 351°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:06 am EDT
  • Sunset: 6:09 pm EDT
  • ▼
On Saturday, October 17, cloud coverage will be extensive.
The highest temperature will be a fresh 51.8°F, while the lowest temperature will be a wintry 39.2°F.
Today, the lower temperature fits better with the expected maximum in November than October.
Sunrise was at 7:06 am and sunset will be at 6:09 pm; the daylight will last for 11h and 4min.

Sunday Oct 18, 2026

  • 57°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphNNE 30°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:07 am EDT
  • Sunset: 6:08 pm EDT
  • ▼
On Sunday, in Islip, conditions will remain bright with clear skies.
A temperature range of a mild 57.2°F to a frosty 44.6°F is forecasted.
The maximum temperature for tomorrow will be moderately lower than the regular high of 62.4°F in October.
Sunrise will be at 7:07 am and sunset at 6:08 pm; tomorrow's daylight will last for 11h and 1min.

10-day overview

Daily temperatures

Warmest day: Tuesday 68°C.
Coldest day: today 52°C.

Chance of precipitation

Highest chance: 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 52°F
  • 39°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 19mphN 351°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:06 am EDT
  • Sunset: 6:09 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 57°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphNNE 30°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:07 am EDT
  • Sunset: 6:08 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 63°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 17mphNNE 32°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:08 am EDT
  • Sunset: 6:06 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 68°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 17mphNNE 22°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:09 am EDT
  • Sunset: 6:05 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 61°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 11%
  • Precipitation: 0.08"
  • Wind: 19mphNE 35°
  • Humidity: 62%
  • UV index: 4
  • Sunrise: 7:10 am EDT
  • Sunset: 6:03 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 63°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 16mphNNE 15°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:11 am EDT
  • Sunset: 6:02 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 61°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 14mphNNE 19°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:13 am EDT
  • Sunset: 6:01 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 59°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 15mphNNE 26°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:14 am EDT
  • Sunset: 5:59 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 63°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0.04"
  • Wind: 12mphNNE 30°
  • Humidity: 65%
  • UV index: 4
  • Sunrise: 7:15 am EDT
  • Sunset: 5:58 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 66°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 11mphN 355°
  • Humidity: 64%
  • UV index: 4
  • Sunrise: 7:16 am EDT
  • Sunset: 5:57 pm EDT
  • ▼
Weather models show that a combination of overcast and bright weather is anticipated.
Rainfall is anticipated on Wednesday and next Sunday.
Substantial differences in temperature are forecasted in the upcoming days. Forecast highs will fluctuate between 51.8°F and 68°F, while nighttime temperatures are expected to vary from 39.2°F to 50°F.
With the highest temperature of 68°F, Tuesday will be the warmest day; today is the coldest day, with a maximum temperature of 51.8°F.
Updated: Oct 17, 2026 @ 15:01:19 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, the day will be cloud-filled.

Today, the maximum temperature will be 51.8°F, while the minimum temperature will be 39.2°F.
Today, the maximum temperature will be significantly lower than the average highest temperature of 62.4°F in October. The lowest temperature will be also notably lower than the average low of 55.8°F.

On Saturday, in Islip, sunrise was at 7:06 am and sunset will be at 6:09 pm (EDT).

Today, the daylight will last for 11h and 4min.

On Sunday, sunny and dry conditions are anticipated.

Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 44.6°F.
The maximum temperature will be relatively lower than the average highest temperature of 62.4°F in October. The lowest temperature tomorrow will be notably lower than the average low of 55.8°F.

On Sunday, in Islip, sunrise will be at 7:07 am and sunset at 6:08 pm (EDT).

In Islip, New York, tomorrow, there will be 11h and 1min of daylight.