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Weather in Rancho Santa Margarita, California, USA

Now
58 °F

Fog.


Feels Like: 58 °F
Forecast: 74 / 52 °F
Wind: 5 mph ↑ from Southwest

Location: John Wayne Airport-Orange County Airport
Current Time: Dec 18, 2025 at 11:52:01 pm
Latest Report: Dec 18, 2025 at 11:24 pm
Visibility: 0 mi
Pressure: 29.98 "Hg
Humidity: 97%
Dew Point: 57 °F
Location of Rancho Santa Margarita Location

Upcoming 5 hours

Now 12:00 am 1:00 am 2:00 am 3:00 am 4:00 am
58 °F 60 °F 59 °F 58 °F 56 °F 55 °F

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Forecast for the next 48 hours

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  Thursday Friday Saturday
  Evening Night Morning Afternoon Evening Night Morning
Forecast
Temperature 58 °F 56 °F 61 °F 71 °F 54 °F 51 °F 58 °F
Mostly cloudy. Clear. Sunny. Mostly sunny. Scatt­erred clouds. Clear. Broken clouds.
Feels Like 58 °F 56 °F 61 °F 77 °F 54 °F 50 °F 58 °F
Wind Speed 2 mph 0 mph 2 mph 4 mph 3 mph 4 mph 2 mph
Wind Direction SE
↑ 		- S
↑ 		SSW
↑ 		SE
↑ 		ESE
↑ 		SE
↑
Humidity 69% 68% 60% 52% 92% 81% 60%
Dew Point 48 °F 46 °F 47 °F 53 °F 51 °F 45 °F 44 °F
Visibility 6 mi 6 mi 6 mi 7 mi 6 mi 5 mi 6 mi
Probability of Precipitation 0% 0% 0% 0% 0% 0% 0%
Amount of Rain 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Amount of Snow 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
* Updated Thursday, December 18, 2025 5:42:36 pm Rancho Santa Margarita time - Weather by CustomWeather, © 2025

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

Yesterday's weather

Fog. 67 / 55 °F
Humidity: 89%. Wind: 2 mph ↑ from North

More weather last week

Currently at nearby stations

52 °F

Chino Airport: (23 mi)

Clear.

47 °F

Riverside / March Air Force Base: (27 mi)

Clear.

54 °F

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

Fog.

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Forecast for the next 2 weeks

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View historic weather

3

Detailed forecast for 14 days

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