| NWS Forecast for: Santa Ana Mountains and Foothills Issued by: National Weather Service San Diego, CA Last Update: 1146 AM PDT Wed Aug 19 2026 |  |
| Tonight: Mostly clear. Lows 64 to 73. Areas of winds southeast to 10 mph this evening becoming light. Thursday: Partly cloudy. Highs 89 to 99. Areas of winds west to 10 mph becoming southwest in the afternoon. Thursday Night: Mostly clear. Lows 64 to 72. Areas of winds north to 10 mph in the evening becoming light. Friday: Mostly sunny. Highs 89 to 99. Light winds becoming southwest 10 mph in the afternoon. Friday Night: Mostly clear. Lows 63 to 71. Areas of winds southwest to 10 mph in the evening becoming light. Saturday: Mostly sunny. Highs 90 to 100. Saturday Night: Mostly clear. Lows 64 to 72. Sunday: Mostly sunny. Highs 90 to 100. Sunday Night: Mostly clear. Lows 64 to 72. Monday: Mostly sunny. A slight chance of showers in the morning. Highs 90 to 100. Monday Night: Mostly clear. Lows 65 to 73. Tuesday: Mostly sunny. Highs 91 to 101. Tuesday Night: Mostly clear. Lows 66 to 73. Wednesday: Mostly sunny. Highs 90 to 100. | |
| Zone Forecast: Santa Ana Mountains and Foothills | |
Visit your local NWS office at: https://www.weather.gov/sgx |