5-day weather forecast for Diamond Bar, California
Today
41°
72°
Partly sunny
Sunday
42°
72°
Partly sunny
Monday
39°
73°
Partly sunny
Tuesday
40°
66°
Chance Rain
Showers
Showers
Wednesday
38°
73°
Mostly sunny
Click on a forecast to see the forecast trend for that day
Weather changeability for Chino Hills, California
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 4.1° | 4.8° |
| Average change in low temperature day-to-day | 4.7° | 4.2° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 100% | 80% |
| Chance of precip day after a dry day | 7% | 6% |
Weather forecast accuracy for Chino Hills, California
| NWS Digital Forecast | 78.74% |
| Weather Underground | 76.15% |
| Intellicast | 76.15% |
| AccuWeather | 71.32% |
| CustomWeather | 70.69% |
| The Weather Channel | 69.25% |
| Persistence | 64.78% |
| World Weather Online | 64.08% |
| National Weather Service | 63.39% |
| Intellicast | 79.21% |
| AccuWeather | 77.45% |
| NWS Digital Forecast | 77.10% |
| CustomWeather | 76.04% |
| The Weather Channel | 73.55% |
| National Weather Service | 70.19% |
| Persistence | 63.67% |
ForecastAdvisor Fact
2.3% of World Weather Online's low temperature forecasts for Chino Hills were exactly right last month.