Placentia, CA Weather & Growing Conditions
Tonight
56°F
Mostly Clear
Mostly clear, with a low around 56. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 76°F | Sunny | 0 to 5 mph S | 0% |
| Wednesday Night | 57°F | Mostly Clear | 0 to 5 mph E | 0% |
| Thursday | 80°F | Sunny | 0 to 5 mph NW | 0% |
| Thursday Night | 58°F | Mostly Clear | 0 to 5 mph N | 0% |
| Friday | 84°F | Sunny | 0 to 5 mph N | 0% |
| Friday Night | 61°F | Clear | 5 to 15 mph N | 0% |
| Saturday | 87°F | Sunny | 0 to 10 mph N | 0% |
| Saturday Night | 63°F | Clear | 5 to 15 mph N | 0% |
| Sunday | 87°F | Sunny | 0 to 10 mph NE | 0% |
| Sunday Night | 65°F | Partly Cloudy | 0 to 10 mph NE | 0% |
| Monday | 84°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Monday Night | 63°F | Partly Cloudy | 0 mph | 1% |
| Tuesday | 82°F | Mostly Sunny | 0 to 5 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Placentia, CA
Growing season
365 days
Hardiness zone
10b
Explore more for Placentia, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Anaheim, Ca (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.