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Weather in Rancho Santa Margarita, California, USA

Now
63 °F

Passing clouds.


Feels Like: 63 °F
Forecast: 86 / 59 °F
Wind: No wind

Location: John Wayne Airport-Orange County Airport
Current Time: Mar 21, 2026 at 6:42:11 am
Latest Report: Mar 21, 2026 at 5:53 am
Visibility: 7 mi
Pressure: 29.90 "Hg
Humidity: 90%
Dew Point: 60 °F
Location of Rancho Santa MargaritaLocation

Upcoming 5 hours

Now7:00 am8:00 am9:00 am10:00 am11:00 am
63 °F62 °F66 °F71 °F76 °F80 °F

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Forecast for the next 48 hours

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 SaturdaySunday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature71 °F85 °F68 °F60 °F67 °F81 °F64 °F
Broken clouds.Cloudy.Overcast.Overcast.Overcast.Partly cloudy.Partly cloudy.
Feels Like77 °F83 °F68 °F60 °F67 °F80 °F64 °F
Wind Speed1 mph8 mph2 mph2 mph2 mph6 mph3 mph
Wind DirectionSW
WSW
WSW
SE
SSE
SW
S
Humidity49%32%58%67%48%34%68%
Dew Point51 °F52 °F53 °F49 °F47 °F50 °F54 °F
Visibility6 mi6 mi6 mi8 mi6 mi6 mi6 mi
Probability of Precipitation0%0%0%0%0%0%0%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.00"0.00"
Amount of Snow0.00"0.00"0.00"0.00"0.00"0.00"0.00"
* Updated Saturday, March 21, 2026 12:42:42 am Rancho Santa Margarita time - Weather by CustomWeather, © 2026

14 day forecast, day-by-dayHour-by-hour forecast for next week

Yesterday's weather

Clear. 86 / 64 °F
Humidity: 63%. Wind: 4 mph from Southwest

More weather last week

Currently at nearby stations

60 °F

Chino Airport: (23 mi)

Clear.

53 °F

Riverside / March Air Force Base: (27 mi)

Clear.

61 °F

Los Alamitos U. S. Army Airfield: (28 mi)

Fog.

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Forecast for the next 2 weeks

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Detailed forecast for 14 days