5-day weather forecast for Diamond Bar, California
Today
59°
103°
Hot
Friday
61°
102°
Hot
Saturday
59°
104°
Hot
Sunday
56°
94°
Sunny
Monday
54°
87°
Sunny
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Chino Hills, California
| NWS Digital Forecast | 83.63% |
| The Weather Channel | 81.99% |
| AccuWeather | 78.18% |
| Intellicast | 78.13% |
| CustomWeather | 77.69% |
| National Weather Service | 77.22% |
| CustomWeather | 78.39% |
| Intellicast | 77.96% |
| NWS Digital Forecast | 76.47% |
| AccuWeather | 75.94% |
| The Weather Channel | 72.48% |
| National Weather Service | 68.23% |
ForecastAdvisor Fact
ForecastWatch.com is the largest provider of weather forecast accuracy statistics.