Community Corner

Diamond Bar-Walnut's Weekly Weather Forecast

The local weather forecast for Monday, April 14 through Friday, April 18.

The National Weather Service forecast for Diamond Bar-Walnut:

  • Monday: Sunny, with a high near 83. East wind 5 to 10 mph becoming north in the afternoon.
  • Monday Night: Mostly clear, with a low around 54. Calm wind becoming west southwest around 5 mph.
  • Tuesday: Sunny, with a high near 87. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
  • Tuesday Night: Mostly clear, with a low around 53. West southwest wind 5 to 10 mph.
  • Wednesday: Sunny, with a high near 75. Northeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.
  • Wednesday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 54.
  • Thursday: Patchy fog before noon. Otherwise, partly sunny, with a high near 77.
  • Thursday Night: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 55.
  • Friday: Patchy fog before noon. Otherwise, partly sunny, with a high near 75.
  • Friday Night: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 54.


Get more local news delivered straight to your inbox. Sign up for free Patch newsletters and alerts.

We’ve removed the ability to reply as we work to make improvements. Learn more here