Current conditions and the National Weather Service 7-day forecast for ZIP code 91765, Diamond Bar, California — temperature, rain chance, wind, radar and alerts.
Saturday Aug 29 night: a low around 66°F. Sunday Aug 30: a high near 88°F and a low around 62°F. Highs over the period run 83°F to 92°F.
| Day | High | Low | Precip |
|---|---|---|---|
| Saturday Aug 29 | — | 66° | — |
| Sunday Aug 30 | 88° | 62° | — |
| Monday Aug 31 | 85° | 62° | — |
| Tuesday Sep 1 | 83° | 63° | — |
| Wednesday Sep 2 | 87° | 63° | — |
| Thursday Sep 3 | 88° | 63° | — |
| Friday Sep 4 | 90° | 64° | — |
| Saturday Sep 5 | 92° | — | — |