| NWS Forecast for: Riverside County Mountains Issued by: National Weather Service San Diego, CA Last Update: 1135 PM PDT Fri Sep 18 2026 |  |
| Today: Mostly sunny. Highs 74 to 84. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph this afternoon. Tonight: Mostly clear. Lows 46 to 56. Areas of winds northwest to 10 mph. Saturday: Sunny. Highs 78 to 88. Light winds becoming west 10 mph in the afternoon. Saturday Night: Mostly clear in the evening...becoming partly cloudy. Lows 49 to 59. Areas of winds west to 10 mph in the evening becoming light. Sunday: Partly cloudy. Highs 77 to 87. Areas of winds southeast 10 to 15 mph. Sunday Night: Partly cloudy. Patchy fog overnight. Lows 48 to 58. Monday: Partly cloudy in the morning...becoming mostly sunny. Highs 72 to 82. Monday Night: Mostly clear. Lows 44 to 54. Tuesday: Mostly sunny. Highs 74 to 84. Tuesday Night: Clear. Lows 50 to 60. Wednesday: Sunny. Highs 78 to 88. Wednesday Night: Mostly clear. Lows 52 to 62. Thursday: Mostly sunny. Highs 79 to 89. | |
| Zone Forecast: Riverside County Mountains | |
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