Downey, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Downey, a city in Los Angeles County, California.
This Afternoon
86°F
Sunny
Sunny, with a high near 86. Southwest wind 5 to 10 mph.
7-day forecast for Downey
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Sunny | 5 to 10 mph SW | 0% |
| Tonight | 59°F | Partly Cloudy then Patchy Fog | 5 mph SSE | 0% |
| Saturday | 88°F | Patchy Fog then Mostly Sunny | 0 to 10 mph S | 0% |
| Saturday Night | 61°F | Patchy Fog | 0 to 5 mph SSW | 0% |
| Sunday | 86°F | Patchy Fog then Partly Sunny | 5 to 10 mph SSW | 0% |
| Sunday Night | 61°F | Patchy Fog | 5 mph S | 1% |
| Monday | 84°F | Patchy Fog then Mostly Sunny | 5 to 10 mph S | 0% |
| Monday Night | 66°F | Mostly Clear | 0 to 10 mph SSW | 0% |
| Tuesday | 81°F | Sunny | 0 to 10 mph S | 0% |
| Tuesday Night | 67°F | Mostly Clear | 0 to 10 mph W | 0% |
| Wednesday | 87°F | Sunny | 0 to 10 mph W | 0% |
| Wednesday Night | 69°F | Mostly Clear | 0 to 10 mph SSW | 1% |
| Thursday | 88°F | Sunny | 0 to 10 mph SW | 1% |
| Thursday Night | 70°F | Mostly Clear | 0 to 10 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Downey (33.938, -118.131). Updated through the day.
Growing snapshot for Downey
Growing season
365 days
Hardiness zone
10b
More local growing data for Downey: nearby ZIP 90241 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Long Beach Daugherty Fld, Ca (9 mi from Downey). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.