Saint Johns County Weather Forecast

Current Conditions & 10-Day Outlook

Current Weather Conditions in Saint Johns County

Saint Johns County

Florida, United States

weather iconOvercast
26°
Low 24°
High 34°

Hourly Saint Johns County Weather Forecast

12 AMweather icon29°
1 AMweather icon28°
2 AMweather icon27°
3 AMweather icon27°
4 AMweather icon26°
5 AMweather icon26°
6 AMweather icon25°
7 AMweather icon25°
8 AMweather icon25°
9 AMweather icon24°
10 AMweather icon24°
11 AMweather icon25°
12 PMweather icon26°
1 PMweather icon28°
2 PMweather icon30°
3 PMweather icon32°
4 PMweather icon33°
5 PMweather icon34°
6 PMweather icon34°
7 PMweather icon34°
8 PMweather icon34°
9 PMweather icon26°
10 PMweather icon26°
11 PMweather icon27°
Wind
4kt SSW

Very gentle wind.

4kt
NESW
Precipitation
37%

Moderate chance of precipitation.

Saint Johns County 10-Day Weather Outlook

Today's Weather in Saint Johns County, Florida, United States

Sat, Jun 13

Showers svg
24°
34°

Sun, Jun 14

Showers svg
24°
33°

Mon, Jun 15

Showers svg
23°
36°

Tue, Jun 16

Showers svg
22°
35°

Wed, Jun 17

Showers svg
23°
29°

Thu, Jun 18

Showers svg
23°
37°

Fri, Jun 19

Showers svg
24°
35°

Sat, Jun 20

Showers svg
21°
37°

Sun, Jun 21

Showers svg
22°
36°

Feels like

29°

Feels warmer than actual temperature.

Pressure

1013 hPa

Expect clear and stable weather.

Humidity

73%

High humidity.

UV

8 - Very high

Take precautions.

Gusts

15kt

Max speed of wind gusts today.

Cloud Cover

100%

Overcast, expect cloudy conditions.

Daylight

14h 2m

Long days, short nights.

Rain

1.4mm

No rain, dry conditions expected.

Snowfall

0.0mm

No snowfall expected.

Current Air Quality in Saint Johns County

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About Saint Johns County Weather

General

This page provides the current weather forecast for Saint Johns County, Florida, United States, including hourly conditions, a 10-day outlook, wind speed and direction, precipitation, UV index, and air quality - giving you everything you need to plan your day in one view.

Forecast & Methodology

The forecast data on this page is sourced from the ECMWF open-source model - a reliable global model used widely across weather services worldwide. For sailors, boaters, and mariners who need greater accuracy and higher resolution, PredictWind's proprietary forecast models deliver precision down to 1km resolution, updated multiple times daily and validated against real-world observations. Sign up free to access PredictWind's advanced forecasts.

Sailing & Marine Conditions

Saint Johns County weather forecasts on PredictWind are optimised for sailors and boaters who need precise, reliable wind and wave data for passage planning and day sailing. PredictWind is used by ocean racers, cruising sailors, and commercial vessel operators across United States and worldwide. For detailed marine conditions including wave height, swell period, and offshore wind forecasts, see the Saint Johns County marine forecast.

Units

Wind speed is displayed in knots - the standard unit used by sailors, weather services, and maritime authorities. Temperature is shown in degrees Celsius. Use the toggle at the top of the page to switch between Celsius and Fahrenheit. Pressure is shown in hPa, rainfall in millimetres, and air quality is available in both US and EU AQI standards.