Weather Forecast and Radar for Port St. John, Florida
Temperature Forecast for Port St. John, Florida
Live Weather Camera
Temperature Forecast for Port St. John, Florida
Live Weather Camera
Weather Radar for Port St. John, Florida
Loading map...
Customize your route with the free app
... including targeted forecasts at the time of your arrival to each point!
Weather in Port St. John, FL
Port St. John, Florida, United States has a humid subtropical climate with warm, humid summers and mild, sunny winters.
In the summer months of June, July, and August, temperatures average between a high of 92°F and a low of 70°F. The humidity is high, and rainfall is frequent.
In the autumn months of September, October, and November, temperatures average between a high of 87°F and a low of 65°F. Rainfall decreases, and the humidity begins to lessen.
In the winter months of December, January, and February, temperatures average between a high of 77°F and a low of 54°F. Rainfall increases, and the humidity begins to rise again.
In the spring months of March, April, and May, temperatures average between a high of 87°F and a low of 65°F. Rainfall is abundant, and the humidity is high.
Fast Facts About Port St. John, FL
As of 2020, the city population is 23940.
Major Cities Nearby Port St. John, FL
This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Port St. John, Florida.