

Cooling trend continues with high temperatures dropping from 87°F to 77°F. Dry weather expected throughout the week.
This week's forecast shows temperatures running 5°F above the historical average for October-November. Normal highs for this period are around 76°F with lows around 52°F.
1947 - The Donora, PA, smog disaster finally came to an end. For five days an inversion trapped impurities in the lower atmosphere over the Monongahela Valley killing 20 persons, and leaving more than 2000 others sick.
More on this and other weather history
Day: Sunny, with a high near 87. Southwest wind around 5 mph.
Night: Patchy fog after 5am. Partly cloudy, with a low around 58. South wind 0 to 5 mph.
Day: Patchy fog before 11am. Mostly sunny, with a high near 80. South wind 0 to 5 mph.
Night: Mostly clear, with a low around 58. Southeast wind 0 to 5 mph.
Day: Sunny, with a high near 82. South wind 0 to 5 mph.
Night: Mostly clear, with a low around 58.
Day: Mostly sunny, with a high near 83.
Night: Partly cloudy, with a low around 59.
Day: Mostly sunny, with a high near 81.
Night: Partly cloudy, with a low around 57.
Day: Sunny, with a high near 79.
Night: Patchy fog after 4am. Partly cloudy, with a low around 57.
Day: Patchy fog before 10am. Mostly sunny, with a high near 77.
Night: Partly cloudy, with a low around 56.
Wed's High Temperature
103 at 2 Miles West Of Pala, CA
Thu's Low Temperature
12 at 4 Miles Northwest Of Grand Lake, CO and 2 Miles Southwest Of Canyon Village, WY

Placentia ( pluh-SEN-shuh) is a city in Orange County, California, United States. It is part of the Los Angeles metropolitan area. Placentia's population was 51,233 at the 2020 US census. The city is primarily referred to as a bedroom community,
In 1971, Placentia was honored with the All-America City Award, given out annually by the National Civic League to 10 cities in the United States.
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Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.
Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.