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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.

Today
82°F
Sunny
Sunny, with a high near 82. South southwest wind 5 to 10 mph.

7-day forecast for Rowland Heights

WhenTempForecastWindPrecip
Today 82°F Sunny 5 to 10 mph SSW 0%
Tonight 62°F Patchy Fog 5 mph SSW 0%
Sunday 80°F Patchy Fog then Partly Sunny 5 to 10 mph SSW 0%
Sunday Night 62°F Patchy Fog 5 mph S 2%
Monday 76°F Mostly Sunny 5 to 10 mph SSW 1%
Monday Night 60°F Partly Cloudy then Patchy Fog 0 to 10 mph SSW 0%
Tuesday 78°F Patchy Fog then Mostly Sunny 0 to 10 mph SSW 0%
Tuesday Night 61°F Mostly Clear 0 to 10 mph W 0%
Wednesday 84°F Sunny 0 to 10 mph SW 0%
Wednesday Night 63°F Mostly Clear 0 to 10 mph SW 0%
Thursday 85°F Sunny 0 to 10 mph SW 2%
Thursday Night 64°F Mostly Clear 0 to 10 mph SW 2%
Friday 86°F Sunny 0 to 10 mph SW 2%
Friday Night 65°F Mostly Clear 0 to 10 mph SSW 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 Sep 19, 2026.