| NWS Forecast for: San Bernardino and Riverside County Valleys-The Inland Empire Issued by: National Weather Service San Diego, CA Last Update: 1226 PM PDT Thu Sep 3 2026 | |
| Tonight: Mostly clear this evening...becoming partly cloudy. Lows 52 to 59. Areas of winds southwest 10 to 15 mph with gusts to 25 mph this evening becoming light. Friday: Mostly sunny. Highs 84 to 89. Light winds becoming southwest 10 to 15 mph with gusts to 25 mph in the afternoon. Friday Night: Mostly clear. Lows 56 to 61. Areas of winds southwest 10 to 15 mph with gusts to 25 mph in the evening becoming light. Saturday: Mostly sunny in the morning, then partly cloudy with a slight chance of showers in the afternoon. Highs 86 to 91. Light winds becoming southwest 10 to 15 mph with gusts to 25 mph in the afternoon. Chance of measurable precipitation 20 percent. Saturday Night: Partly cloudy with a slight chance of showers. Lows 63 to 67. Areas of winds southwest to 10 mph in the evening becoming light. Chance of measurable precipitation 20 percent. Sunday: Partly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs 85 to 91. Sunday Night: Partly cloudy. A slight chance of showers in the evening. Lows 61 to 66. Labor Day: Mostly sunny. Highs 89 to 94. Monday Night: Mostly clear in the evening, then partly cloudy with a slight chance of showers overnight. Lows 62 to 66. Tuesday: Partly cloudy. Highs 91 to 96. Tuesday Night: Mostly clear. Lows 64 to 69. Wednesday: Partly cloudy in the morning...becoming mostly sunny. Highs 92 to 98. Wednesday Night: Mostly clear. Lows 65 to 70. Thursday: Mostly sunny. Highs 91 to 96. | |
| Zone Forecast: San Bernardino and Riverside County Valleys-The Inland Empire | |
Visit your local NWS office at: https://www.weather.gov/sgx |