Willowbrook, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Willowbrook, a community in Los Angeles County, California.
Today
75°F
Sunny
Sunny, with a high near 75. West southwest wind 5 to 15 mph.
7-day forecast for Willowbrook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Sunny | 5 to 15 mph WSW | 1% |
| Tonight | 57°F | Mostly Clear | 0 to 10 mph NNW | 1% |
| Wednesday | 76°F | Sunny | 0 to 10 mph WNW | 0% |
| Wednesday Night | 59°F | Mostly Clear | 5 mph WNW | 0% |
| Thursday | 80°F | Sunny | 0 to 10 mph NW | 0% |
| Thursday Night | 60°F | Mostly Clear | 5 to 10 mph WNW | 0% |
| Friday | 83°F | Sunny | 5 mph NW | 0% |
| Friday Night | 61°F | Mostly Clear | 5 to 10 mph NNW | 0% |
| Saturday | 86°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 63°F | Mostly Clear | 5 to 10 mph NNW | 0% |
| Sunday | 87°F | Sunny | 0 to 5 mph NW | 0% |
| Sunday Night | 64°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Monday | 83°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Monday Night | 63°F | Mostly Cloudy | 0 to 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Willowbrook (33.921, -118.237). Updated through the day.
Growing snapshot for Willowbrook
Growing season
365 days
Hardiness zone
10b
More local growing data for Willowbrook: nearby ZIP 90222 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Hawthorne Muni Ap, Ca (5.6 mi from Willowbrook). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.