Weather forecast for 10 daysIslandia, FL

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 81°F
  • 79°F
Heavy Thunderstorms / Wind
Heavy Thunderstorms / Wind
  • Precip. probability: 96%
  • Precipitation: 0"
  • Wind: 22mphNE 37°
  • Humidity: 83%
  • UV index: 4
  • Sunrise: 7:21 am EDT
  • Sunset: 6:51 pm EDT
  • ▼
Today, on Sunday, October 18, torrential rain, thunderstorms, and strong winds are anticipated.
Minimal precipitation is forecasted. Daytime will witness a high of a moderately hot 80.6°F, slightly diverging from the expected night low of a temperate 78.8°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is estimated at a blazing 86°F. Note that heat index values are valued for light wind and location in the shade.
Today's top temperature will adhere to the average October high temperature of 84.2°F.
Sunrise will be at 7:21 am and sunset at 6:51 pm; the daylight will last for 11h and 30min.

10-day overview

Daily temperatures

Warmest day: tomorrow 84°C.
Minimum temperature: 81°C.

Chance of precipitation

Highest chance: today 96%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 81°F
  • 79°F
Heavy Thunderstorms / Wind
Heavy Thunderstorms / Wind
  • Precip. probability: 96%
  • Precipitation: 0"
  • Wind: 22mphNE 37°
  • Humidity: 83%
  • UV index: 4
  • Sunrise: 7:21 am EDT
  • Sunset: 6:51 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 84°F
  • 77°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Precip. probability: 15%
  • Precipitation: 3.07"
  • Wind: 21mphNE 47°
  • Humidity: 67%
  • UV index: 8
  • Sunrise: 7:21 am EDT
  • Sunset: 6:50 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 82°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0"
  • Wind: 19mphNE 37°
  • Humidity: 67%
  • UV index: 8
  • Sunrise: 7:22 am EDT
  • Sunset: 6:49 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 82°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 15mphNNE 27°
  • Humidity: 64%
  • UV index: 8
  • Sunrise: 7:22 am EDT
  • Sunset: 6:48 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 82°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 14mphNNE 24°
  • Humidity: 66%
  • UV index: 8
  • Sunrise: 7:23 am EDT
  • Sunset: 6:47 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 81°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 16mphNNE 30°
  • Humidity: 65%
  • UV index: 8
  • Sunrise: 7:23 am EDT
  • Sunset: 6:46 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 82°F
  • 73°F
PM Showers
PM Showers
  • Precip. probability: 40%
  • Precipitation: 0"
  • Wind: 18mphNNE 30°
  • Humidity: 68%
  • UV index: 8
  • Sunrise: 7:24 am EDT
  • Sunset: 6:46 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 81°F
  • 73°F
Showers
Showers
  • Precip. probability: 51%
  • Precipitation: 0.24"
  • Wind: 18mphNNE 30°
  • Humidity: 73%
  • UV index: 7
  • Sunrise: 7:24 am EDT
  • Sunset: 6:45 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 81°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.43"
  • Wind: 16mphNNE 23°
  • Humidity: 70%
  • UV index: 6
  • Sunrise: 7:25 am EDT
  • Sunset: 6:44 pm EDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 82°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 14mphNNE 27°
  • Humidity: 65%
  • UV index: 8
  • Sunrise: 7:25 am EDT
  • Sunset: 6:43 pm EDT
  • ▼
For the next ten days, a combination of primarily cloud-filled and occasionally damp and stormy weather is anticipated.
Rainfall is forecasted for Monday, next Sunday and Monday.
The high temperatures are expected to remain largely stable throughout the coming week. Maximum temperatures will fall between 80.6°F and 84.2°F, while the nighttime low will be also mostly stable, as the lowest temperatures will remain in the range of 73.4°F to 78.8°F.
The hottest day will be Monday, with a maximum of 84.2°F; with a maximum temperature of 80.6°F, Sunday, Friday, next Sunday and Monday will be the coldest days in Islandia.
Updated: Oct 18, 2026 @ 05:19:10 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Islandia, heavy storms will develop, bringing damaging winds and downpours.

There is a high possibility of rainfall, but with minimal precipitation.

Today, the highest temperature will be 80.6°F, while the lowest temperature will be 78.8°F. The maximum heat index, which adjusts the air temperature based on humidity, is estimated at 86°F.
Today, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature will be also in line with the average low of 76.3°F.

On Sunday, in Islandia, sunrise will be at 7:21 am and sunset at 6:51 pm (EDT).

Today, the daylight will last for 11h and 30min.