San Juan Capistrano Weather Forecast

Current Conditions & 10-Day Outlook

Current Weather Conditions in San Juan Capistrano

San Juan Capistrano

California, United States

weather iconClear sky
13°
Low 11°
High 23°

Hourly San Juan Capistrano Weather Forecast

12 AMweather icon20°
1 AMweather icon19°
2 AMweather icon18°
3 AMweather icon17°
4 AMweather icon16°
5 AMweather icon16°
6 AMweather icon15°
7 AMweather icon14°
8 AMweather icon14°
9 AMweather icon13°
10 AMweather icon13°
11 AMweather icon12°
12 PMweather icon12°
1 PMweather icon11°
2 PMweather icon14°
3 PMweather icon17°
4 PMweather icon20°
5 PMweather icon21°
6 PMweather icon22°
7 PMweather icon22°
8 PMweather icon23°
9 PMweather icon23°
10 PMweather icon23°
11 PMweather icon23°
Wind
1kt SE

Very gentle wind.

1kt
NESW
Precipitation
1%

Minimal chance of precipitation.

San Juan Capistrano 10-Day Weather Outlook

Today's Weather in San Juan Capistrano, California, United States

Sat, May 30

Showers svg
11°
23°

Sun, May 31

Showers svg
13°
25°

Mon, Jun 01

Showers svg
17°
25°

Tue, Jun 02

Showers svg
15°
24°

Wed, Jun 03

Showers svg
15°
24°

Thu, Jun 04

Showers svg
16°
24°

Fri, Jun 05

Showers svg
16°
22°

Sat, Jun 06

Showers svg
15°
23°

Sun, Jun 07

Showers svg
16°
25°

Feels like

13°

Feels cooler than actual temperature.

Pressure

1011 hPa

Expect stable weather conditions.

Humidity

86%

High humidity.

UV

9 - Very high

Take precautions.

Gusts

10kt

Max speed of wind gusts today.

Cloud Cover

2%

Clear skies, no clouds expected.

Daylight

14h 11m

Long days, short nights.

Rain

0.0mm

No rain, dry conditions expected.

Snowfall

0.0mm

No snowfall expected.

Current Air Quality in San Juan Capistrano

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About San Juan Capistrano Weather

General

This page provides the current weather forecast for San Juan Capistrano, California, 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

San Juan Capistrano 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 San Juan Capistrano 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.