Community Corner

Welcome Spring: Weekend Weather Forecast for Diamond Bar-Walnut

The forecast for Friday, March 21 to Monday, March 24.

The National Weather Service forecast for Diamond Bar-Walnut:

  • Friday: Mostly sunny, with a high near 67. West southwest wind 5 to 10 mph.
  • Friday Night: Patchy drizzle after 11pm. Increasing clouds, with a low around 46. West southwest wind 5 to 15 mph.
  • Saturday: Patchy drizzle before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 65. Calm wind becoming west southwest around 5 mph in the afternoon.
  • Saturday Night: Increasing clouds, with a low around 45. West southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 15 mph.
  • Sunday: Mostly sunny, with a high near 72. Calm wind becoming west southwest around 5 mph in the afternoon.
  • Sunday Night: Mostly clear, with a low around 46.
  • Monday: Sunny, with a high near 79.


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