Westminster, CA Weather & Growing Conditions
This Afternoon
75°F
Sunny
Sunny, with a high near 75. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Sunny | 5 mph SW | 0% |
| Tonight | 57°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Thursday | 80°F | Mostly Sunny | 0 to 10 mph NW | 0% |
| Thursday Night | 59°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Friday | 84°F | Sunny | 0 to 10 mph NW | 0% |
| Friday Night | 63°F | Clear | 5 to 15 mph N | 0% |
| Saturday | 87°F | Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 65°F | Mostly Clear | 5 to 10 mph N | 0% |
| Sunday | 87°F | Sunny | 5 mph NW | 0% |
| Sunday Night | 65°F | Partly Cloudy | 5 mph N | 0% |
| Monday | 84°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Monday Night | 63°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Tuesday | 81°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Tuesday Night | 62°F | Mostly Clear | 0 to 5 mph E | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Westminster, CA
Growing season
365 days
Hardiness zone
10a
Explore more for Westminster, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Santa Ana Fire Stn, Ca (7.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.