5-day weather forecast for San Bernardino, California
Today
65°
96°
Mostly sunny
Monday
63°
97°
Hot
Tuesday
67°
100°
Hot
Wednesday
68°
96°
Mostly sunny
Thursday
68°
95°
Partly Cloudy
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Ontario, California
| The Weather Channel | 82.37% |
| Accuweather | 80.59% |
| MyForecast | 79.03% |
| National Weather Service | 78.62% |
| NWS Digital Forecast | 78.26% |
| Intellicast | 58.05% |
| Accuweather | 81.82% |
| The Weather Channel | 80.94% |
| MyForecast | 80.69% |
| NWS Digital Forecast | 80.07% |
| Intellicast | 80.07% |
ForecastAdvisor Fact
7.5% of MyForecast's low temperature forecasts for Ontario were exactly right last month.