Weather forecast for todayCudjoe Key, FL

Weather forecast for today

Current condition 1:15 am EDT

  • 81°F
  • Feels like:
    88°F
Mostly Cloudy
Mostly Cloudy
  • Precipitation: 0"
  • Wind: 14mphNE 40°
  • Humidity: 83%
  • Dewpoint: 75°F
  • Pressure: 29.97"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
In Cudjoe Key, currently, mostly clouded conditions are dominating the sky.
The temperature is a moderately hot 80.6°F, and the feels-like temperature of which adjusts the air temperature based on humidity comes in at estimated at a tropical 87.8°F. The current temperature is nearly at the maximum of today's expected 84.2°F.

Sunday Oct 18, 2026

  • 84°F
  • 77°F
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 39%
  • Precipitation: 0"
  • Wind: 19mphNE 46°
  • Humidity: 78%
  • UV index: 7
  • Sunrise: 7:25 am EDT
  • Sunset: 6:56 pm EDT
  • ▼
Today, in Cudjoe Key, thunderstorms may form in the afternoon with sudden rainfall.
Minimal precipitation is forecasted. The highest daytime temperature will reach a moderately hot 84.2°F, creating a slight contrast with the predicted nighttime low of a temperate 77°F.
The maximum heat index, which combines relative humidity and air temperature, is assessed at a hot 93.2°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Today's temperature is expected to match October's standard peak of 82°F.
Sunrise will be at 7:25 am and sunset at 6:56 pm; the daylight will last for 11h and 31min.

Hourly overview

Hourly temperatures

Warmest hour: 2 pm 91°C.
Coldest period: 5 am - 8 am 77°C.

Chance of precipitation

Highest chance: 5 pm 40%.

Hourly weather forecast

  • 2 am
  • 81°F
  • Feels like:
    86°F
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 15mphNE 38°
  • Humidity: 84%
  • Pressure: 29.94"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 4 am
  • 79°F
  • Feels like:
    84°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 16mphNNE 31°
  • Humidity: 83%
  • Pressure: 29.94"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 6 am
  • 77°F
  • Feels like:
    77°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 16mphNNE 33°
  • Humidity: 90%
  • Pressure: 29.94"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunrise: 7:25 am
  • 8 am
  • 77°F
  • Feels like:
    77°F
Cloudy
Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 16mphNE 38°
  • Humidity: 87%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 81°F
  • Feels like:
    88°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 18mphNE 43°
  • Humidity: 79%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 82°F
  • Feels like:
    90°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 19mphNE 46°
  • Humidity: 75%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 2 pm
  • 84°F
  • Feels like:
    91°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 17mphNE 54°
  • Humidity: 73%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 4 pm
  • 84°F
  • Feels like:
    91°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Wind: 19mphNE 54°
  • Humidity: 73%
  • Pressure: 29.94"Hg
  • Visibility: 6mi
  • UV index: 2
  • ▼
  • 6 pm
  • 82°F
  • Feels like:
    90°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 38%
  • Precipitation: 0.08"
  • Wind: 18mphNE 52°
  • Humidity: 77%
  • Pressure: 29.94"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunset: 6:56 pm
  • 8 pm
  • 81°F
  • Feels like:
    86°F
Cloudy
Cloudy
  • Precip. probability: 23%
  • Precipitation: 0"
  • Wind: 19mphNE 53°
  • Humidity: 80%
  • Pressure: 29.97"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 10 pm
  • 79°F
  • Feels like:
    84°F
Cloudy / Wind
Cloudy / Wind
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 21mphNE 49°
  • Humidity: 81%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Cudjoe Key, primarily cloud-filled and occasionally storm-filled weather is predicted.
Rain is predicted from 3 pm to 6 pm. With light precipitation of 0.08", most rainfall is expected at 6 pm.
The temperature will be between the highest temperature of 84.2°F and the lowest temperature of 77°F. The feels-like temperature will vary between a maximum of 91.4°F and a minimum of 77°F. The hottest part of the day will be from 1 pm to 4 pm.
The highest temperature will be in line with October's average maximum of 82°F. The expected low will be also similar to the average minimum in October, which is 79.7°F.
Updated: Oct 18, 2026 @ 05:15:22 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 1:15 am EDT is 80.6°F. Feels-like temperature is 87.8°F.

On Sunday, in Cudjoe Key, stormy weather with frequent thunder and rain bursts is expected.

Today, there is a low probability of minimal rainfall in Cudjoe Key.

Today, the maximum temperature will be 84.2°F, while the minimum temperature will be 77°F. The maximum heat index, which adjusts the air temperature based on humidity, is appraised at 93.2°F.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature today will be also in line with the average low temperature.

On Sunday, in Cudjoe Key, sunrise will be at 7:25 am and sunset at 6:56 pm (EDT).

In Cudjoe Key, the length of the day today will be 11h and 31min.