| National Weather Service Forecast for:
4 Miles NNW Rancho Santa Margarita CA Issued by: National Weather Service San Diego, CA |
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| Updated: 12:29 am PDT Jun 22, 2026 | ||||||||||||||||||
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| Overnight |
Patchy fog. Otherwise, partly cloudy, with a low around 55. Calm wind. |
| Monday |
Patchy fog before 11am. Otherwise, sunny, with a high near 79. Light northwest wind becoming west 5 to 10 mph in the morning. |
| Monday Night |
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm in the evening. |
| Tuesday |
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the morning. |
| Tuesday Night |
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 61. South wind around 5 mph becoming calm. |
| Wednesday |
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 86. |
| Wednesday Night |
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 58. |
| Thursday |
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 83. |
| Thursday Night |
Partly cloudy, with a low around 56. |
| Friday |
Sunny, with a high near 83. |
| Friday Night |
Mostly clear, with a low around 55. |
| Saturday |
Mostly sunny, with a high near 81. |
| Saturday Night |
Increasing clouds, with a low around 56. |
| Sunday |
Mostly cloudy, then gradually becoming sunny, with a high near 74. |
Forecast from NOAA-NWS for 4 Miles NNW Rancho Santa Margarita CA.