Weather forecast for todayKey Largo, FL

Weather forecast for today

Current condition 2:35 pm EDT

  • 86°F
  • Feels like:
    97°F
Partly Cloudy
Partly Cloudy
  • Precipitation: 0"
  • Wind: 3mphESE 110°
  • Humidity: 71%
  • Dewpoint: 75°F
  • Pressure: 29.92"Hg
  • Visibility: 10mi
  • UV index: 7
  • ▼
In Key Largo, currently, patches of clouds are drifting across the sky.
The temperature is a humid 86°F, while the apparent temperature, which adjusts the air temperature based on humidity, is assessed at a very hot 96.8°F. The current temperature is almost at the maximum of today's 87.8°F.

Saturday Oct 17, 2026

  • 88°F
  • 77°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 39%
  • Precipitation: 1.54"
  • Wind: 6mphNNE 33°
  • Humidity: 73%
  • UV index: 6
  • Sunrise: 7:21 am EDT
  • Sunset: 6:53 pm EDT
  • ▼
On Saturday, in Key Largo, expect scattered thunderstorms to develop later in the day, with the possibility of lightning and strong winds.
Intense precipitation of 1.54" is predicted for today. The forecasted temperature range extends from a high of a hot 87.8°F to a low of a temperate 77°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is evaluated at a steamy 102.2°F. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The predicted high will feel hotter, consistent with September's climate average of 84.6°F.
Sunrise was at 7:21 am and sunset will be at 6:53 pm; the daylight will last for 11h and 32min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 4 pm 95°C.
Coldest hour: 12 am 84°C.

Chance of precipitation

Highest chance: 7 pm - 8 pm 96%.

Hourly weather forecast

  • 3 pm
  • 86°F
  • Feels like:
    95°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 4mphESE 115°
  • Humidity: 71%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 4 pm
  • 86°F
  • Feels like:
    95°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 4mphENE 72°
  • Humidity: 73%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 5 pm
  • 84°F
  • Feels like:
    93°F
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 3mphNNW 338°
  • Humidity: 73%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 82°F
  • Feels like:
    91°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 39%
  • Precipitation: 0"
  • Wind: 6mphNNW 346°
  • Humidity: 79%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:53 pm
  • 7 pm
  • 81°F
  • Feels like:
    90°F
Heavy Thunderstorms
Heavy Thunderstorms
  • Precip. probability: 96%
  • Precipitation: 0.71"
  • Wind: 7mphNNW 347°
  • Humidity: 82%
  • Pressure: 29.91"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 8 pm
  • 81°F
  • Feels like:
    88°F
Heavy Thunderstorms
Heavy Thunderstorms
  • Precip. probability: 96%
  • Precipitation: 0.59"
  • Wind: 8mphNNW 343°
  • Humidity: 85%
  • Pressure: 29.94"Hg
  • Visibility: 0mi
  • UV index: 0
  • ▼
  • 9 pm
  • 79°F
  • Feels like:
    86°F
Showers
Showers
  • Precip. probability: 62%
  • Precipitation: 0.04"
  • Wind: 8mphN 353°
  • Humidity: 87%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 pm
  • 79°F
  • Feels like:
    86°F
Showers
Showers
  • Precip. probability: 48%
  • Precipitation: 0.08"
  • Wind: 9mphN 5°
  • Humidity: 88%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 11 pm
  • 79°F
  • Feels like:
    86°F
Showers
Showers
  • Precip. probability: 50%
  • Precipitation: 0.08"
  • Wind: 10mphN 1°
  • Humidity: 89%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 12 am
  • 79°F
  • Feels like:
    84°F
Showers
Showers
  • Precip. probability: 37%
  • Precipitation: 0.04"
  • Wind: 11mphN 0°
  • Humidity: 90%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
For the rest of the day, a combination of cloudy, lightning-active and damp weather is forecasted.
Rainfall is forecasted from 7 pm to 11 pm. With intense precipitation of 0.71", most rainfall is expected at 7 pm.
The temperature will vary between the highest temperature of 86°F and the lowest temperature of 78.8°F. The feels-like temperature will vary between the lowest temperature of 86°F and the highest temperature of 95°F. The hottest part of the day will be at 3 pm and 4 pm.
The highest temperature today will resemble September's average maximum of 84.6°F more than October's average. The minimum temperature will be alike with October's average low of 78.8°F.
Updated: Oct 17, 2026 @ 18:35:38 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 2:35 pm EDT is 86°F. Feels-like temperature is 96.8°F.

Today, scattered thunderstorms are expected, with the potential for brief but intense rain and lightning.

Yes, it will rain today. Beware - heavy precipitation of 1.54" is forecasted.

Today, the highest temperature will be 87.8°F, while the lowest temperature will be 77°F. The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at 102.2°F.
Today, the highest temperature will be moderately higher than the average maximum temperature in October. Today, the lowest temperature will be in line with the average low temperature.

On Saturday, in Key Largo, sunrise was at 7:21 am and sunset will be at 6:53 pm (EDT).

In Key Largo, the length of the day today will be 11h and 32min.