Weather forecast for 10 daysSunrise Key, FL

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 86°F
  • 75°F
Heavy Thunderstorms
Heavy Thunderstorms
  • Precip. probability: 100%
  • Precipitation: 3.66"
  • Wind: 10mphENE 66°
  • Humidity: 85%
  • UV index: 4
  • Sunrise: 7:20 am EDT
  • Sunset: 6:50 pm EDT
  • ▼
Today, in Sunrise Key, rainy weather and heavy thunderstorms are expected.
Excessive precipitation of 3.66" is forecasted. Temperatures will oscillate between a humid 86°F at their highest and a temperate 75.2°F at their lowest.
The maximum heat index, which combines air temperature and relative humidity, is evaluated at a sizzling 102.2°F. Note that heat index values are valued for light wind and location in the shade. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The temperature will be in line with October's average maximum of 82.6°F.
Sunrise was at 7:20 am and sunset will be at 6:50 pm; the daylight will last for 11h and 30min.

Sunday Oct 18, 2026

  • 81°F
  • 77°F
Thunderstorms
Thunderstorms
  • Precip. probability: 74%
  • Precipitation: 0.63"
  • Wind: 20mphNE 40°
  • Humidity: 78%
  • UV index: 4
  • Sunrise: 7:21 am EDT
  • Sunset: 6:49 pm EDT
  • ▼
Tomorrow, on Sunday, October 18, unstable skies bring the chance of thunderstorms.
The chance of rainfall is high, and precipitation will be moderate. The peak daytime temperature will reach a moderately hot 80.6°F, while the nighttime temperature will drop to a warm 77°F.
The maximum heat index, which integrates air moisture with ambient temperature, is computed to be a hot 86°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Tomorrow, the expected high will correspond with the regular October temperature of 82.6°F.
Sunrise will be at 7:21 am and sunset at 6:49 pm; tomorrow's daylight will last for 11h and 29min.

10-day overview

Daily temperatures

Warmest day: today 86°C.
Minimum temperature: 81°C.

Chance of precipitation

Highest chance: today 100%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 86°F
  • 75°F
Heavy Thunderstorms
Heavy Thunderstorms
  • Precip. probability: 100%
  • Precipitation: 3.66"
  • Wind: 10mphENE 66°
  • Humidity: 85%
  • UV index: 4
  • Sunrise: 7:20 am EDT
  • Sunset: 6:50 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 81°F
  • 77°F
Thunderstorms
Thunderstorms
  • Precip. probability: 74%
  • Precipitation: 0.63"
  • Wind: 20mphNE 40°
  • Humidity: 78%
  • UV index: 4
  • Sunrise: 7:21 am EDT
  • Sunset: 6:49 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 82°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 19mphNE 51°
  • Humidity: 65%
  • UV index: 8
  • Sunrise: 7:21 am EDT
  • Sunset: 6:49 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 82°F
  • 72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0"
  • Wind: 16mphNE 35°
  • Humidity: 64%
  • UV index: 8
  • Sunrise: 7:22 am EDT
  • Sunset: 6:48 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 82°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0.04"
  • Wind: 14mphNNE 29°
  • Humidity: 63%
  • UV index: 8
  • Sunrise: 7:22 am EDT
  • Sunset: 6:47 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 82°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 13mphNNE 27°
  • Humidity: 63%
  • UV index: 8
  • Sunrise: 7:23 am EDT
  • Sunset: 6:46 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 82°F
  • 72°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 13mphNNE 32°
  • Humidity: 63%
  • UV index: 8
  • Sunrise: 7:23 am EDT
  • Sunset: 6:45 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 82°F
  • 72°F
PM Showers
PM Showers
  • Precip. probability: 48%
  • Precipitation: 0.16"
  • Wind: 16mphNE 38°
  • Humidity: 67%
  • UV index: 8
  • Sunrise: 7:24 am EDT
  • Sunset: 6:44 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 81°F
  • 72°F
Showers
Showers
  • Precip. probability: 55%
  • Precipitation: 0.31"
  • Wind: 17mphNE 34°
  • Humidity: 69%
  • UV index: 8
  • Sunrise: 7:25 am EDT
  • Sunset: 6:43 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 81°F
  • 72°F
AM Showers
AM Showers
  • Precip. probability: 45%
  • Precipitation: 0.12"
  • Wind: 16mphNNE 27°
  • Humidity: 70%
  • UV index: 8
  • Sunrise: 7:25 am EDT
  • Sunset: 6:43 pm EDT
  • ▼
And a mix of cloud-filled, rain-filled, turbulent and clear weather is forecasted.
Rainfall is predicted for Saturday, Sunday, Wednesday, next Saturday through next Monday.
The high temperatures are expected to remain largely stable in the upcoming period. Maximum temperatures will fall between 80.6°F and 86°F, while the low temperature range extends from 69.8°F to 77°F.
Today is the hottest day, with a maximum temperature of 86°F; the coldest days will be Sunday, next Sunday and Monday, with a maximum of 80.6°F.
Taking the humidity into consideration, the maximum feel-like temperature may increase greatly and range between 84.2°F and a torrid 102.2°F.
Updated: Oct 17, 2026 @ 19:10:08 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Sunrise Key, thunderstorms are expected.

With a probability of 74%, moderate precipitation of 0.63" is forecasted.

Tomorrow, the highest temperature will be 80.6°F, while the lowest temperature will be 77°F. The maximum heat index, which represents the influence of relative humidity on air temperature, is appraised at 86°F.
The maximum temperature will be in line with the average highest temperature of 82.6°F in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.

On Sunday, in Sunrise Key, sunrise will be at 7:21 am and sunset at 6:49 pm (EDT).

Tomorrow, the daylight will last for 11h and 29min.