| NWS Forecast for: San Diego County Mountains Issued by: National Weather Service San Diego, CA Last Update: 1218 PM PDT Tue Jul 21 2026 |  |
Tonight: Clear. Lows 59 to 69. Areas of winds west 10 to 20 mph. Gusts to 35 mph...becoming 30 mph overnight. Wednesday: Mostly sunny. Warmer. Highs 87 to 97. Areas of winds west 10 to 15 mph with gusts to 25 mph. Wednesday Night: Mostly clear. Lows 64 to 74. Areas of winds west 10 to 15 mph with gusts to 25 mph...becoming to 10 mph overnight. Thursday: Sunny in the morning, then partly cloudy with a slight chance of showers in the afternoon. Highs 92 to 100. Areas of winds southeast to 10 mph becoming southwest with gusts to 25 mph in the afternoon. Chance of measurable precipitation 20 percent. Thursday Night: Mostly clear. Lows 69 to 79. Areas of winds west to 10 mph in the evening becoming light. Friday: Mostly sunny. Highs 92 to 100. Friday Night: Mostly clear. Lows 68 to 78. Saturday: Mostly sunny. Highs 92 to 101. Saturday Night: Mostly clear. Lows 67 to 77. Sunday: Mostly sunny. Highs 92 to 101. Sunday Night: Mostly clear. Lows 67 to 76. Monday: Partly cloudy in the morning...becoming mostly sunny. Highs 90 to 99. Monday Night: Partly cloudy. Lows 64 to 74. Tuesday: Partly cloudy. A slight chance of showers in the afternoon. Highs 87 to 96. | |
| Zone Forecast: San Diego County Mountains | |
Visit your local NWS office at: https://www.weather.gov/sgx |