West Whittier-Los Nietos, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Whittier-Los Nietos, a community in Los Angeles County, California.
Overnight
70°F
Mostly Cloudy
Mostly cloudy, with a low around 70. South southwest wind 0 to 5 mph.
7-day forecast for West Whittier-Los Nietos
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Mostly Cloudy | 0 to 5 mph SSW | 0% |
| Tuesday | 92°F | Sunny | 0 to 10 mph SW | 0% |
| Tuesday Night | 69°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Wednesday | 91°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 70°F | Mostly Clear | 0 to 10 mph SSW | 0% |
| Thursday | 91°F | Sunny | 0 to 10 mph SSW | 0% |
| Thursday Night | 68°F | Mostly Clear | 0 to 10 mph SSW | 0% |
| Friday | 91°F | Sunny | 0 to 10 mph SSW | 0% |
| Friday Night | 69°F | Mostly Clear | 0 to 10 mph SSW | 0% |
| Saturday | 92°F | Sunny | 0 to 10 mph SSW | 0% |
| Saturday Night | 69°F | Mostly Clear | 0 to 10 mph SSW | 0% |
| Sunday | 91°F | Sunny | 0 to 10 mph S | 0% |
| Sunday Night | 68°F | Mostly Clear | 0 to 10 mph S | 1% |
| Monday | 89°F | Sunny | 0 to 10 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for West Whittier-Los Nietos (33.976, -118.069). Updated through the day.
Growing snapshot for West Whittier-Los Nietos
Last spring frost
Jan 4
First fall frost
Jan 2
Growing season
365 days
Hardiness zone
10b
More local growing data for West Whittier-Los Nietos: nearby ZIP 90606 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, San Gabriel Fire Dept, Ca (7.6 mi from West Whittier-Los Nietos). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.