Rowland Heights, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rowland Heights, a community in Los Angeles County, California.
Overnight
63°F
Partly Cloudy
Partly cloudy, with a low around 63. South southwest wind 0 to 5 mph.
7-day forecast for Rowland Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Partly Cloudy | 0 to 5 mph SSW | 0% |
| Tuesday | 90°F | Sunny | 0 to 10 mph SW | 0% |
| Tuesday Night | 63°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Wednesday | 88°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 64°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Thursday | 88°F | Sunny | 0 to 10 mph SW | 0% |
| Thursday Night | 64°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Friday | 87°F | Sunny | 0 to 10 mph SW | 0% |
| Friday Night | 66°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Saturday | 90°F | Sunny | 0 to 10 mph SSW | 0% |
| Saturday Night | 66°F | Mostly Clear | 0 to 10 mph SSW | 0% |
| Sunday | 89°F | Sunny | 0 to 10 mph SSW | 0% |
| Sunday Night | 65°F | Mostly Clear | 0 to 10 mph SSW | 1% |
| Monday | 86°F | Sunny | 0 to 10 mph SSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Rowland Heights (33.970, -117.891). Updated through the day.
Growing snapshot for Rowland Heights
Growing season
365 days
Hardiness zone
10a
More local growing data for Rowland Heights: nearby ZIP 91748 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Fullerton Muni Ap, Ca (8.6 mi from Rowland Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.