| NWS Forecast for: San Bernardino and Riverside County Valleys-The Inland Empire Issued by: National Weather Service San Diego, CA Last Update: 1150 AM PDT Tue Oct 20 2026 | |
| Tonight: Partly cloudy. Patchy fog overnight. Lows 55 to 60. Areas of winds south to 10 mph this evening becoming light. Wednesday: Partly cloudy. Patchy fog in the morning. A chance of showers in the afternoon. Highs 75 to 79. Areas of winds east to 10 mph becoming south with gusts to 25 mph in the afternoon. Chance of measurable precipitation 50 percent. Wednesday Night: Mostly cloudy. A chance of showers in the evening, then showers likely and a slight chance of thunderstorms overnight. Locally heavy rainfall possible overnight. Lows 54 to 61. Areas of winds south to 10 mph. Chance of measurable precipitation 70 percent. Thursday: Showers and a slight chance of thunderstorms. Highs 64 to 70. Areas of winds south to 10 mph. Thursday Night: Partly cloudy. A chance of showers in the evening. Lows 48 to 54. Light winds. Chance of measurable precipitation 40 percent. Friday: Partly cloudy in the morning...becoming mostly sunny. Highs 69 to 74. Friday Night: Mostly clear. Lows 49 to 54. Saturday: Sunny. Highs 74 to 79. Saturday Night: Clear. Lows 52 to 56. Sunday: Mostly sunny. Highs 75 to 81. Sunday Night: Mostly clear in the evening...becoming partly cloudy. Lows 54 to 58. Monday: Partly cloudy in the morning...becoming mostly sunny. Highs 77 to 83. Monday Night: Mostly clear. Lows 54 to 57. Tuesday: Partly cloudy in the morning...becoming mostly sunny. Highs 75 to 81. | |
| Zone Forecast: San Bernardino and Riverside County Valleys-The Inland Empire | |
Visit your local NWS office at: https://www.weather.gov/sgx |