Weather Forecast for
Diamond Bar, CA

Overnight: Mostly clear, with a low around 58. West southwest wind around 5 mph becoming calm.

Tuesday: Partly sunny, then gradually becoming sunny, with a high near 78. Light west southwest wind increasing to 5 to 10 mph in the afternoon.

Tuesday Night: Mostly clear, with a low around 60. West southwest wind 5 to 10 mph becoming light in the evening.

Wednesday: Sunny, with a high near 90. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.

Wednesday Night: Mostly clear, with a low around 64. West southwest wind 5 to 10 mph becoming light west in the evening.

Thursday: Sunny, with a high near 88.

Thursday Night: Mostly clear, with a low around 65.

Friday: Sunny, with a high near 89.

Friday Night: Mostly clear, with a low around 66.

Saturday: Mostly sunny, with a high near 89.

Saturday Night: Mostly clear, with a low around 65.

Sunday: Sunny, with a high near 83.

Sunday Night: Mostly clear, with a low around 62.

Monday: Sunny, with a high near 82.

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