Whittier, CA Weather & Growing Conditions
Tonight
65°F
Patchy Fog
Patchy fog after 11pm. Mostly cloudy, with a low around 65. South southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Patchy Fog | 5 mph SSW | 0% |
| Sunday | 82°F | Patchy Fog then Partly Sunny | 5 to 10 mph SSW | 0% |
| Sunday Night | 64°F | Patchy Fog | 5 to 10 mph S | 2% |
| Monday | 80°F | Mostly Sunny | 5 to 10 mph SSW | 2% |
| Monday Night | 63°F | Partly Cloudy then Patchy Fog | 0 to 5 mph S | 0% |
| Tuesday | 80°F | Patchy Fog then Mostly Sunny | 5 to 10 mph SSW | 0% |
| Tuesday Night | 65°F | Mostly Clear | 0 to 10 mph S | 0% |
| Wednesday | 88°F | Sunny | 0 to 10 mph SSW | 0% |
| Wednesday Night | 67°F | Mostly Clear | 0 to 10 mph SSW | 0% |
| Thursday | 89°F | Sunny | 0 to 10 mph SSW | 0% |
| Thursday Night | 68°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Friday | 88°F | Sunny | 0 to 10 mph SW | 1% |
| Friday Night | 68°F | Partly Cloudy | 0 to 10 mph S | 1% |
| Saturday | 88°F | Mostly Sunny | 0 to 10 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Whittier, CA
Growing season
365 days
Hardiness zone
10b
Explore more for Whittier, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Fullerton Muni Ap, Ca (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.