| NWS Forecast for: Riverside County Mountains Issued by: National Weather Service San Diego, CA Last Update: 1155 AM PDT Sat Sep 19 2026 | |
| Tonight: Mostly clear this evening...becoming partly cloudy. Lows 51 to 61. Areas of winds west to 10 mph this evening becoming light. Sunday: Partly cloudy. Highs 77 to 87. Areas of winds southeast 10 to 15 mph with gusts to 25 mph. Sunday Night: Mostly clear in the evening...becoming partly cloudy. Lows 47 to 57. Areas of winds northwest to 10 mph in the evening becoming light. Monday: Mostly sunny. Highs 72 to 82. Light winds becoming west 10 mph in the afternoon. Monday Night: Mostly clear. Lows 43 to 53. Areas of winds west to 10 mph. Tuesday: Sunny. Highs 74 to 84. Tuesday Night: Clear. Lows 50 to 60. Wednesday: Sunny. Highs 77 to 87. Wednesday Night: Clear. Lows 53 to 63. Thursday: Mostly sunny. Highs 79 to 89. Thursday Night: Mostly clear. Lows 53 to 63. Friday: Mostly sunny. A slight chance of showers in the afternoon. Highs 79 to 89. Friday Night: Mostly clear. Lows 52 to 62. Saturday: Mostly sunny. Highs 78 to 88. | |
| Zone Forecast: Riverside County Mountains | |
Visit your local NWS office at: https://www.weather.gov/sgx |