| NWS Forecast for: Riverside County Mountains Issued by: National Weather Service San Diego, CA Last Update: 1123 AM PDT Fri Sep 11 2026 | |
| Tonight: Clear, cooler. Lows 55 to 65. Areas of winds west 10 to 15 mph with gusts to 25 mph...becoming to 10 mph overnight. Saturday: Mostly sunny. Highs 82 to 92. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon. Saturday Night: Mostly clear. Lows 53 to 63. Areas of winds west 10 to 15 mph with gusts to 25 mph...becoming to 10 mph overnight. Sunday: Mostly sunny. Highs 79 to 89. Areas of winds west 10 mph. Sunday Night: Clear. Lows 49 to 59. Areas of winds west to 10 mph. Monday: Mostly sunny. Highs 79 to 89. Monday Night: Clear. Lows 47 to 57. Tuesday: Sunny. Highs 77 to 87. Tuesday Night: Clear. Lows 47 to 57. Wednesday: Sunny. Highs 78 to 88. Wednesday Night: Mostly clear. Lows 51 to 61. Thursday: Mostly sunny. Highs 80 to 90. Thursday Night: Mostly clear. Lows 54 to 64. Friday: Mostly sunny. Highs 82 to 92. | |
| Zone Forecast: Riverside County Mountains | |
Visit your local NWS office at: https://www.weather.gov/sgx |