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    • Today's Weather - Diamond Bar, CA

      December 27, 2025    10:17 PM
      California State Fullerton - Humanities Bldg NE
      50°
      Feels Like 50°
      Hi 64°F Lo 43°F
      Hazy
      Hazy
    • Weather Details
      • Windchill 46ºF Daily Rain --
      • Dewpoint 43ºF Monthly Rain 93"
      • Humidity 85% Avg. Wind N 2mph
      • Pressure -- Wind Gust --
      • Sunrise 6:55 AM Moon First Quarter
      • Sunset 4:49 PM UV Index 3 (Moderate)
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