| NWS Forecast for: Riverside County Mountains Issued by: National Weather Service San Diego, CA Last Update: 1133 AM PDT Sun Oct 4 2026 |  |
| Tonight: Clear, cooler. Lows 53 to 63. Areas of winds east to 10 mph. Monday: Mostly sunny. Highs 78 to 88. Areas of winds east 10 to 15 mph. Gusts to 25 mph in the morning. Monday Night: Mostly clear. Lows 52 to 62. Areas of winds east to 10 mph in the evening becoming light. Tuesday: Mostly sunny. Highs 79 to 89. Areas of winds east to 10 mph. Tuesday Night: Mostly clear. Lows 53 to 63. Light winds. Wednesday: Sunny. Highs 82 to 92. Wednesday Night: Clear. Lows 56 to 66. Thursday: Sunny. Highs 82 to 92. Thursday Night: Clear. Lows 55 to 65. Friday: Sunny. Highs 79 to 89. Friday Night: Mostly clear. Lows 51 to 61. Saturday: Mostly sunny in the morning...becoming partly cloudy. Highs 72 to 82. Saturday Night: Partly cloudy. Cooler. Lows 45 to 55. Sunday: Partly cloudy. Highs 67 to 77. | |
| Zone Forecast: Riverside County Mountains | |
Visit your local NWS office at: https://www.weather.gov/sgx |