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.
Tonight
54°F
Mostly Clear
Mostly clear, with a low around 54. West southwest wind 0 to 10 mph.
7-day forecast for Rowland Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Clear | 0 to 10 mph WSW | 0% |
| Wednesday | 73°F | Sunny | 0 to 5 mph S | 0% |
| Wednesday Night | 55°F | Mostly Clear | 5 mph NNW | 0% |
| Thursday | 77°F | Sunny | 0 to 5 mph NW | 0% |
| Thursday Night | 56°F | Mostly Clear | 0 to 10 mph NNW | 0% |
| Friday | 81°F | Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 58°F | Clear | 0 to 15 mph NNE | 0% |
| Saturday | 83°F | Sunny | 0 to 10 mph NE | 0% |
| Saturday Night | 61°F | Clear | 0 to 15 mph NNE | 0% |
| Sunday | 84°F | Sunny | 0 to 10 mph NNE | 0% |
| Sunday Night | 63°F | Partly Cloudy | 0 to 10 mph NNE | 0% |
| Monday | 81°F | Mostly Sunny | 0 to 5 mph S | 0% |
| Monday Night | 61°F | Partly Cloudy | 0 to 5 mph ESE | 1% |
| Tuesday | 79°F | Mostly Sunny | 0 to 5 mph SSE | 2% |
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 Nov 4, 2026.