| NWS Forecast for: Riverside County Mountains Issued by: National Weather Service San Diego, CA Last Update: 1134 AM PDT Sat Aug 22 2026 |  |
Tonight: Mostly clear. Lows 61 to 71. Areas of winds west 10 to 15 mph. Gusts to 25 mph this evening. Sunday: Mostly sunny. Highs 90 to 100. Areas of winds south to 10 mph becoming southwest with gusts to 25 mph in the afternoon. Sunday Night: Mostly clear in the evening...becoming partly cloudy. Lows 61 to 71. Areas of winds west 10 to 15 mph with gusts to 25 mph...becoming to 10 mph overnight. Monday: Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs 87 to 97. Areas of winds west to 10 mph. Chance of measurable precipitation 20 percent. Monday Night: Mostly clear. Lows 61 to 71. Areas of winds west to 10 mph in the evening becoming light. Tuesday: Mostly sunny. Highs 89 to 99. Tuesday Night: Mostly clear. Lows 62 to 72. Wednesday: Mostly sunny. Highs 92 to 102. Wednesday Night: Mostly clear. Lows 63 to 73. Thursday: Mostly sunny. Highs 92 to 102. Thursday Night: Partly cloudy in the evening...becoming mostly clear. Lows 62 to 72. Friday: Mostly sunny. Highs 92 to 102. Friday Night: Mostly clear. Lows 62 to 72. Saturday: Mostly sunny. Highs 90 to 100. | |
| Zone Forecast: Riverside County Mountains | |
Visit your local NWS office at: https://www.weather.gov/sgx |