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    • Today's Weather - Diamond Bar, CA

      December 26, 2025    11:49 PM
      California State Fullerton - Humanities Bldg NE
      55°
      Feels Like 55°
      Hi 61°F Lo 48°F
      Foggy
      Foggy
    • Weather Details
      • Windchill 54ºF Daily Rain --
      • Dewpoint 50ºF Monthly Rain 61"
      • Humidity 93% Avg. Wind WNW 3mph
      • Pressure -- Wind Gust --
      • Sunrise 6:54 AM Moon First Quarter
      • Sunset 4:48 PM UV Index 0 (Low)
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