Saint Johns County Weather Forecast

Current Conditions & 10-Day Outlook

Current Weather Conditions in Saint Johns County

Saint Johns County

Florida, United States

weather iconMainly clear
28°
Low 23°
High 29°

Hourly Saint Johns County Weather Forecast

12 AMweather icon25°
1 AMweather icon25°
2 AMweather icon24°
3 AMweather icon24°
4 AMweather icon24°
5 AMweather icon23°
6 AMweather icon23°
7 AMweather icon23°
8 AMweather icon23°
9 AMweather icon23°
10 AMweather icon23°
11 AMweather icon23°
12 PMweather icon23°
1 PMweather icon24°
2 PMweather icon24°
3 PMweather icon26°
4 PMweather icon27°
5 PMweather icon27°
6 PMweather icon28°
7 PMweather icon29°
8 PMweather icon29°
9 PMweather icon29°
10 PMweather icon25°
11 PMweather icon25°
Wind
8kt W

Gentle wind.

8kt
NESW
Precipitation
63%

High chance of precipitation.

Saint Johns County 10-Day Weather Outlook

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

Sat, May 30

Showers svg
23°
29°

Sun, May 31

Showers svg
23°
28°

Mon, Jun 01

Showers svg
23°
33°

Tue, Jun 02

Showers svg
23°
35°

Wed, Jun 03

Showers svg
21°
26°

Thu, Jun 04

Showers svg
16°
28°

Fri, Jun 05

Showers svg
17°
31°

Sat, Jun 06

Showers svg
19°
34°

Sun, Jun 07

Showers svg
21°
36°

Feels like

33°

Feels warmer than actual temperature.

Pressure

1011 hPa

Expect stable weather conditions.

Humidity

73%

High humidity.

UV

6 - High

Take precautions.

Gusts

16kt

Max speed of wind gusts today.

Cloud Cover

34%

Partly cloudy, some clouds expected.

Daylight

13h 54m

Long days, short nights.

Rain

32.8mm

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.