| NWS Forecast for: Santa Ana Mountains and Foothills Issued by: National Weather Service San Diego, CA Last Update: 1250 AM PDT Sun Oct 18 2026 |  |
| Today: Mostly sunny. Highs 79 to 86. Areas of winds northeast 10 mph becoming west this afternoon. Tonight: Clear. Lows 54 to 62. Areas of winds north to 10 mph in the evening becoming light. Monday: Mostly sunny. Highs 76 to 83. Light winds becoming southwest 10 mph in the afternoon. Monday Night: Mostly clear. Lows 51 to 59. Areas of winds south to 10 mph in the evening becoming light. Tuesday: Partly cloudy in the morning...becoming mostly sunny. Highs 71 to 79. Light winds becoming southwest 10 mph in the afternoon. Tuesday Night: Partly cloudy. A slight chance of showers overnight. Lows 51 to 58. Wednesday: Partly cloudy with a chance of showers. Highs 67 to 74. Wednesday Night: Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely overnight. Lows 49 to 56. Thursday: Showers and a slight chance of thunderstorms. Highs 60 to 67. Thursday Night: Partly cloudy. A chance of showers. Lows 45 to 52. Friday: Partly cloudy in the morning...becoming mostly sunny. Highs 62 to 69. Friday Night: Mostly clear. Lows 46 to 52. Saturday: Mostly sunny. Highs 67 to 74. | |
| Zone Forecast: Santa Ana Mountains and Foothills | |
Visit your local NWS office at: https://www.weather.gov/sgx |