Weather forecast for todayDuck Key, FL

Weather forecast for today

Current condition 2:29 am EDT

  • 79°F
  • Feels like:
    84°F
Cloudy
Cloudy
  • Precipitation: 0"
  • Wind: 15mphNNE 20°
  • Humidity: 89%
  • Dewpoint: 75°F
  • Pressure: 29.96"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Currently, in Duck Key, a dense layer of clouds is keeping the day dull and overcast.
The temperature is a temperate 78.8°F, and the real-feel temperature is appraised at a warm 84.2°F. The current temperature is almost at the maximum of today's 82.4°F.

Sunday Oct 18, 2026

  • 82°F
  • 79°F
PM Thunderstorms / Wind
PM Thunderstorms / Wind
  • Precip. probability: 57%
  • Precipitation: 0"
  • Wind: 23mphNE 43°
  • Humidity: 83%
  • UV index: 6
  • Sunrise: 7:23 am EDT
  • Sunset: 6:54 pm EDT
  • ▼
Today, thunderstorms and strong winds are likely in the afternoon.
Minimal precipitation is expected. The temperature will peak at a moderately hot 82.4°F during the day, slightly dropping to a low of a warm 78.8°F at night.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is appraised at a tropical 91.4°F. Note that heat index values are valued for light wind and location in the shade.
Today's highest temperature is forecasted to match the regular high for October at 82.2°F.
Sunrise will be at 7:23 am and sunset at 6:54 pm; the daylight will last for 11h and 31min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 3 pm 90°C.
Coldest hour: 6 am 79°C.

Chance of precipitation

Highest chance: 3 pm 57%.

Hourly weather forecast

  • 4 am
  • 79°F
  • Feels like:
    84°F
Cloudy
Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 17mphNNE 22°
  • Humidity: 88%
  • Pressure: 29.94"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 6 am
  • 79°F
  • Feels like:
    79°F
Cloudy
Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 17mphNNE 22°
  • Humidity: 90%
  • Pressure: 29.94"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunrise: 7:23 am
  • 8 am
  • 79°F
  • Feels like:
    84°F
Cloudy
Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 18mphNNE 27°
  • Humidity: 91%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 am
  • 81°F
  • Feels like:
    88°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 19mphNE 39°
  • Humidity: 83%
  • Pressure: 30"Hg
  • Visibility: 9mi
  • UV index: 1
  • ▼
  • 12 pm
  • 82°F
  • Feels like:
    90°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 19mphNE 46°
  • Humidity: 81%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 82°F
  • Feels like:
    91°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 52%
  • Precipitation: 0.04"
  • Wind: 19mphNE 52°
  • Humidity: 79%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 4
  • ▼
  • 4 pm
  • 82°F
  • Feels like:
    90°F
Scattered Thunderstorms / Wind
Scattered Thunderstorms / Wind
  • Precip. probability: 58%
  • Precipitation: 0.04"
  • Wind: 21mphNE 50°
  • Humidity: 81%
  • Pressure: 29.94"Hg
  • Visibility: 7mi
  • UV index: 2
  • ▼
  • 6 pm
  • 81°F
  • Feels like:
    88°F
Scattered Thunderstorms / Wind
Scattered Thunderstorms / Wind
  • Precip. probability: 46%
  • Precipitation: 0.04"
  • Wind: 23mphNE 50°
  • Humidity: 81%
  • Pressure: 29.94"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunset: 6:54 pm
  • 8 pm
  • 81°F
  • Feels like:
    86°F
Scattered Thunderstorms / Wind
Scattered Thunderstorms / Wind
  • Precip. probability: 37%
  • Precipitation: 0.04"
  • Wind: 24mphNE 43°
  • Humidity: 84%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 pm
  • 81°F
  • Feels like:
    86°F
Heavy Thunderstorms / Wind
Heavy Thunderstorms / Wind
  • Precip. probability: 64%
  • Precipitation: 0.35"
  • Wind: 22mphNE 42°
  • Humidity: 83%
  • Pressure: 29.97"Hg
  • Visibility: 4mi
  • UV index: 0
  • ▼
Today, a combination of unstable, gloomy and rain-filled weather is forecasted.
Rain is predicted at 11 am, and from 1 pm to 11 pm. With elevated precipitation of 0.35", most rainfall is expected at 10 pm.
The temperature will vary between the highest temperature of 82.4°F and the lowest temperature of 78.8°F. The feels-like temperature will be between the highest temperature of 91.4°F and the lowest temperature of 78.8°F. The warmest part of the day will be from 11 am to 4 pm.
The maximum temperature today will be alike with October's average high. Today, the temperature will drop to a level also comparable to October's average minimum of 79.3°F.
Updated: Oct 18, 2026 @ 06:29:58 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (2:29 am EDT) is 78.8°F. Feels-like temperature is 84.2°F.

Today, in Duck Key, expect thunderstorms and gusty winds later in the day, with possible lightning.

There is a high likelihood of rainfall, but precipitation will be minimal.

Today, the maximum temperature will be 82.4°F, while the minimum temperature will be 78.8°F. The maximum heat index, which adjusts the air temperature based on humidity, is evaluated at 91.4°F.
The maximum temperature will be in line with the average highest temperature of 82.2°F in October. The lowest temperature today will be also in line with the average low temperature.

On Sunday, in Duck Key, sunrise will be at 7:23 am and sunset at 6:54 pm (EDT).

In Duck Key, today, there will be 11h and 31min of daylight.