Rowland Heights, CA Weather & Growing Conditions
Overnight
67°F
Partly Cloudy
Partly cloudy, with a low around 67. South southwest wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Partly Cloudy | 0 mph | 0% |
| Tuesday | 91°F | Sunny | 0 to 10 mph SW | 0% |
| Tuesday Night | 66°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Wednesday | 90°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 67°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Thursday | 90°F | Sunny | 0 to 10 mph SW | 0% |
| Thursday Night | 67°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Friday | 92°F | Sunny | 0 to 10 mph SW | 0% |
| Friday Night | 67°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Saturday | 93°F | Sunny | 0 to 10 mph SSW | 0% |
| Saturday Night | 67°F | Mostly Clear | 0 to 10 mph SSW | 0% |
| Sunday | 92°F | Sunny | 0 to 10 mph SSW | 0% |
| Sunday Night | 66°F | Mostly Clear | 0 to 10 mph SSW | 1% |
| Monday | 89°F | Sunny | 0 to 10 mph SSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rowland Heights, CA
Growing season
365 days
Hardiness zone
10a
Explore more for Rowland Heights, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Fullerton Muni Ap, Ca (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.