Placentia Weather Forecast
Weather forecast for: Placentia CA
Last Update: 1:36 am PDT Sep 23, 2026
Today: Sunny, with a high near 91. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight: Mostly clear, with a low around 68. South wind around 5 mph becoming calm in the evening.
Thursday: Sunny, with a high near 90. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Thursday Night: Mostly clear, with a low around 68. South wind around 5 mph becoming calm in the evening.
Friday: Sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night: Partly cloudy, with a low around 70.
Saturday: Mostly sunny, with a high near 91.
Saturday Night: Partly cloudy, with a low around 68.
Sunday: Mostly sunny, with a high near 85.
Sunday Night: Partly cloudy, with a low around 65.
Monday: Sunny, with a high near 82.
Monday Night: Mostly clear, with a low around 65.
Tuesday: Sunny, with a high near 87.