Diamond Bar, CA 91765
Rain in the morning then showers in the afternoon. Highs in the upper 40s to mid 50s. Southwest winds increasing to 15 to 20 mph in the afternoon.
Mostly cloudy with a 20 percent chance of showers in the evening then mostly clear after midnight. Local frost forming late. Lows in the 30s to around 40. West winds 15 to 20 mph in the evening.
Sunny. Patchy frost early in the morning. Highs in the 50s.
Mostly clear. Areas of frost forming late. Lows in the 30s.
Partly cloudy. Lows in the 40s. Highs in the mid to upper 60s.
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