Community Corner

Week Day Weather Forecast for Diamond Bar-Walnut

The weather forecast for Monday, March 17 through Friday, March 21.

The National Weather Service forecast for Diamond Bar-Walnut:

  • Monday: Sunny, with a high near 77. West southwest wind 5 to 10 mph.
  • Monday Night: Increasing clouds, with a low around 53. West southwest wind 5 to 10 mph becoming light and variable in the evening.
  • Tuesday: Mostly sunny, with a high near 78. North northeast wind around 5 mph.
  • Tuesday Night: Mostly clear, with a low around 52. Southwest wind around 5 mph becoming north northeast in the evening.
  • Wednesday: Sunny, with a high near 78. North wind 5 to 10 mph becoming south in the morning. Winds could gust as high as 15 mph.
  • Wednesday Night: Mostly clear, with a low around 52.
  • Thursday: Mostly sunny, with a high near 74.
  • Thursday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 53.
  • Friday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 70.
  • Friday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 52.


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