Willowbrook, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Willowbrook, a community in Los Angeles County, California.
Today
83°F
Patchy Fog then Mostly Sunny
Patchy fog before 11am. Mostly sunny, with a high near 83. Southwest wind 0 to 10 mph.
7-day forecast for Willowbrook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Patchy Fog then Mostly Sunny | 0 to 10 mph SW | 0% |
| Tonight | 69°F | Mostly Cloudy then Patchy Fog | 0 to 10 mph WSW | 0% |
| Wednesday | 82°F | Patchy Fog then Mostly Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 70°F | Mostly Cloudy then Patchy Fog | 0 to 10 mph SW | 0% |
| Thursday | 83°F | Patchy Fog then Mostly Sunny | 0 to 10 mph SSW | 0% |
| Thursday Night | 69°F | Mostly Cloudy then Patchy Fog | 0 to 10 mph SSW | 0% |
| Friday | 86°F | Patchy Fog then Mostly Sunny | 0 to 10 mph SSW | 0% |
| Friday Night | 69°F | Mostly Clear | 0 to 10 mph SSW | 0% |
| Saturday | 87°F | Sunny | 0 to 10 mph SSW | 0% |
| Saturday Night | 69°F | Mostly Clear | 0 to 10 mph SSW | 0% |
| Sunday | 86°F | Sunny | 0 to 10 mph S | 0% |
| Sunday Night | 69°F | Partly Cloudy | 0 to 10 mph S | 1% |
| Monday | 85°F | Mostly Sunny | 0 to 10 mph S | 1% |
| Monday Night | 68°F | Partly Cloudy | 0 to 10 mph S | 1% |
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 Aug 4, 2026.