Weather forecast for todayKey Biscayne, FL

Weather forecast for today

Current condition 10:57 am EDT

  • 84°F
  • Feels like:
    95°F
Partly Cloudy
Partly Cloudy
  • Precipitation: 0"
  • Wind: 5mphSSE 150°
  • Humidity: 74%
  • Dewpoint: 75°F
  • Pressure: 29.98"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
Currently, in Key Biscayne, patches of clouds are scattered, creating a mix of shade and sun.
The temperature is a warm 84.2°F, while the feels-like temperature, which calculates the temperature value influenced by the moisture in the air, is calculated to be a very hot 95°F. The current temperature is almost at the maximum of today's predicted 86°F.

Saturday Oct 17, 2026

  • 86°F
  • 75°F
Thunderstorms
Thunderstorms
  • Precip. probability: 65%
  • Precipitation: 0.75"
  • Wind: 7mphESE 110°
  • Humidity: 75%
  • UV index: 7
  • Sunrise: 7:20 am EDT
  • Sunset: 6:51 pm EDT
  • ▼
On Saturday, October 17, rumbles of thunder are likely.
The likelihood of rain for today is high, and precipitation will be moderate. The temperature will vary between a maximum of a hot 86°F and a minimum of a moderately hot 75.2°F.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is calculated to be a sizzling 96.8°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 is forecasted to correspond with the average October peak of 82.8°F.
Sunrise was at 7:20 am and sunset will be at 6:51 pm; the daylight will last for 11h and 31min.

Hourly overview

Hourly temperatures

Warmest period: 11 am - 1 pm 95°C.
Coldest hour: 1 am 82°C.

Chance of precipitation

Highest chance: 9 pm 87%.

Hourly weather forecast

  • 11 am
  • 84°F
  • Feels like:
    95°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 4mphSSE 151°
  • Humidity: 74%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 12 pm
  • 86°F
  • Feels like:
    95°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphSE 142°
  • Humidity: 73%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 1 pm
  • 86°F
  • Feels like:
    95°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 4mphSE 128°
  • Humidity: 72%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 84°F
  • Feels like:
    91°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Wind: 4mphSE 135°
  • Humidity: 75%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 3 pm
  • 84°F
  • Feels like:
    91°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Precip. probability: 31%
  • Precipitation: 0"
  • Wind: 5mphESE 121°
  • Humidity: 75%
  • Pressure: 29.88"Hg
  • Visibility: 9mi
  • UV index: 3
  • ▼
  • 4 pm
  • 82°F
  • Feels like:
    91°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 5mphE 90°
  • Humidity: 77%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 5 pm
  • 82°F
  • Feels like:
    90°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 65%
  • Precipitation: 0.04"
  • Wind: 6mphNE 36°
  • Humidity: 78%
  • Pressure: 29.88"Hg
  • Visibility: 7mi
  • UV index: 1
  • ▼
  • 6 pm
  • 81°F
  • Feels like:
    88°F
Thunderstorms
Thunderstorms
  • Precip. probability: 64%
  • Precipitation: 0.08"
  • Wind: 7mphN 351°
  • Humidity: 82%
  • Pressure: 29.91"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
Sunset: 6:51 pm
  • 7 pm
  • 79°F
  • Feels like:
    86°F
Thunderstorms
Thunderstorms
  • Precip. probability: 73%
  • Precipitation: 0.16"
  • Wind: 9mphN 358°
  • Humidity: 87%
  • Pressure: 29.91"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 8 pm
  • 79°F
  • Feels like:
    86°F
Thunderstorms
Thunderstorms
  • Precip. probability: 77%
  • Precipitation: 0.12"
  • Wind: 11mphN 358°
  • Humidity: 88%
  • Pressure: 29.94"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 9 pm
  • 79°F
  • Feels like:
    84°F
Thunderstorms
Thunderstorms
  • Precip. probability: 87%
  • Precipitation: 0.12"
  • Wind: 9mphN 358°
  • Humidity: 88%
  • Pressure: 29.97"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 10 pm
  • 79°F
  • Feels like:
    84°F
Thunderstorms
Thunderstorms
  • Precip. probability: 69%
  • Precipitation: 0.16"
  • Wind: 12mphN 1°
  • Humidity: 89%
  • Pressure: 29.97"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 11 pm
  • 79°F
  • Feels like:
    84°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 53%
  • Precipitation: 0.04"
  • Wind: 13mphN 3°
  • Humidity: 88%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Today, in Key Biscayne, a combination of lightning-active and gloomy weather is predicted.
Rain is forecasted practically for the rest of the day. With moderate precipitation of 0.16", the most intense rain will be falling at 7 pm and 10 pm.
The temperature will be between the highest temperature of 86°F and the lowest temperature of 78.8°F. The feels-like temperature will vary between a minimum of 84.2°F and a maximum of 95°F. The hottest part of the day will be at noon and 1 pm.
Today, the high temperature will be similar to October's average. The night temperature will be also alike with the standard October low of 77.5°F.
Updated: Oct 17, 2026 @ 14:57:02 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 10:57 am EDT in Key Biscayne is 84.2°F. Feels-like temperature is 95°F.

Today, storm clouds are expected to develop.

Moderate precipitation of 0.75" is anticipated. The likelihood of rainfall is 65%.

Today, the highest temperature will be 86°F, while the lowest temperature will be 75.2°F. The maximum heat index, which measures the combined effect of heat and moisture, is calculated to be 96.8°F.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature today will be also in line with the average low temperature.

On Saturday, in Key Biscayne, sunrise was at 7:20 am and sunset will be at 6:51 pm (EDT).

Today, the daylight will last for 11h and 31min.