Weather Forecast and Radar for Key Biscayne, Florida

Weather in Key Biscayne, FL

Key Biscayne, Florida, United States has a warm and sunny climate year-round with temperatures ranging from the mid-60s to the low 90s Fahrenheit.

In the winter months, temperatures average around 72 degrees Fahrenheit during the day and drop to about 60 degrees Fahrenheit at night. It rarely snows in Key Biscayne, but the occasional cold front can bring light showers and cooler temperatures, which can last for a few days.

In the spring and fall, temperatures range from the low 80s to the mid-70s Fahrenheit during the day and the mid-60s Fahrenheit at night. The weather is generally mild, with light winds and occasional rain showers.

In the summer months, temperatures can soar to the low 90s Fahrenheit during the day and drop to the mid to high 70s Fahrenheit at night. The humidity level during this time of year can be quite high, making the air feel much warmer.

Overall, Key Biscayne has a pleasant climate year-round, with temperatures rarely getting too hot or too cold.

Fast Facts About Key Biscayne, FL

As of 2020, the city population is 12867.

Major Cities Nearby Key Biscayne, FL

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Key Biscayne, Florida.