Weather forecast for todayBig Coppitt Key, FL

Weather forecast for today

Current condition 1:15 am EDT

  • 81°F
  • Feels like:
    88°F
Partly Cloudy
Partly Cloudy
  • Precipitation: 0"
  • Wind: 16mphNE 40°
  • Humidity: 81%
  • Dewpoint: 73°F
  • Pressure: 29.96"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, in Big Coppitt Key, a mix of cloud cover and clear skies can be seen.
The temperature is a moderately hot 80.6°F, while the real-feel temperature, which measures the combined effect of heat and moisture, is assessed at a humid 87.8°F. The current temperature is almost at the maximum predicted 84.2°F for today.

Sunday Oct 18, 2026

  • 84°F
  • 79°F
Scattered Thunderstorms / Wind
Scattered Thunderstorms / Wind
  • Precip. probability: 42%
  • Precipitation: 0"
  • Wind: 21mphNE 48°
  • Humidity: 78%
  • UV index: 7
  • Sunrise: 7:26 am EDT
  • Sunset: 6:57 pm EDT
  • ▼
On Sunday, October 18, scattered thunderstorms are expected, accompanied by strong winds later in the day.
Minimal precipitation is forecasted for today. The day's temperature scale will range from a moderate high of a moderately hot 84.2°F to a minimum of a warm 78.8°F.
The maximum heat index, which modifies the air temperature to account for humidity, is computed to be a blazing 93.2°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The highest temperature is predicted to follow the average for October, around 82°F.
Sunrise will be at 7:26 am and sunset at 6:57 pm; the daylight will last for 11h and 31min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 5 pm 91°C.
Coldest hour: 5 am 79°C.

Chance of precipitation

Highest chance: 5 pm 39%.

Hourly weather forecast

  • 2 am
  • 81°F
  • Feels like:
    88°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 17mphNE 40°
  • Humidity: 82%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 79°F
  • Feels like:
    84°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 19mphNNE 33°
  • Humidity: 84%
  • Pressure: 29.94"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 6 am
  • 77°F
  • Feels like:
    77°F
Cloudy
Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 19mphNE 37°
  • Humidity: 90%
  • Pressure: 29.94"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Sunrise: 7:26 am
  • 8 am
  • 79°F
  • Feels like:
    84°F
Cloudy / Wind
Cloudy / Wind
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 20mphNE 40°
  • Humidity: 86%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 81°F
  • Feels like:
    88°F
Cloudy / Wind
Cloudy / Wind
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 21mphNE 44°
  • Humidity: 80%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 82°F
  • Feels like:
    90°F
Mostly Cloudy / Wind
Mostly Cloudy / Wind
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 20mphNE 49°
  • Humidity: 77%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 2 pm
  • 84°F
  • Feels like:
    91°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Precip. probability: 31%
  • Precipitation: 0.04"
  • Wind: 18mphNE 56°
  • Humidity: 75%
  • Pressure: 29.97"Hg
  • Visibility: 9mi
  • UV index: 5
  • ▼
  • 4 pm
  • 84°F
  • Feels like:
    91°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Wind: 19mphNE 55°
  • Humidity: 74%
  • Pressure: 29.94"Hg
  • Visibility: 6mi
  • UV index: 2
  • ▼
  • 6 pm
  • 82°F
  • Feels like:
    90°F
Scattered Thunderstorms / Wind
Scattered Thunderstorms / Wind
  • Precip. probability: 43%
  • Precipitation: 0.08"
  • Wind: 21mphNE 53°
  • Humidity: 77%
  • Pressure: 29.94"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunset: 6:57 pm
  • 8 pm
  • 81°F
  • Feels like:
    86°F
Cloudy / Wind
Cloudy / Wind
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 22mphNE 53°
  • Humidity: 81%
  • Pressure: 29.97"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 10 pm
  • 81°F
  • Feels like:
    86°F
Mostly Cloudy / Wind
Mostly Cloudy / Wind
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 22mphNE 51°
  • Humidity: 81%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Big Coppitt Key, a combination of primarily overcast and occasionally thunderstorm-prone and rainy weather is predicted.
Rainfall is anticipated at 9 am, and from 2 pm to 7 pm. With light precipitation of 0.08", most rainfall is expected at 6 pm.
The temperature will vary between a minimum of 77°F and a maximum of 84.2°F. The feels-like temperature will be between a maximum of 93.2°F and a minimum of 77°F. The hottest part of the day will be from 2 pm to 4 pm.
The maximum temperature will be alike with the average high of 82°F in October. The lowest temperature today will be also alike with October's average minimum.
Updated: Oct 18, 2026 @ 05:15:46 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.

Today, scattered thunderstorms and strong winds are expected throughout the day.

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

Today, the maximum temperature will be 84.2°F, while the minimum temperature will be 78.8°F. The maximum heat index, which adjusts the air temperature based on humidity, is estimated at 93.2°F.
The maximum temperature will be in line with the average highest temperature of 82°F in October. Today, the lowest temperature will be also in line with the average low temperature.

On Sunday, in Big Coppitt Key, sunrise will be at 7:26 am and sunset at 6:57 pm (EDT).

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