Rosemead, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rosemead, a city in Los Angeles County, California.
Tonight
60°F
Mostly Clear
Mostly clear, with a low around 60. South southeast wind around 5 mph.
7-day forecast for Rosemead
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Mostly Clear | 5 mph SSE | 0% |
| Saturday | 85°F | Sunny | 5 to 10 mph S | 0% |
| Saturday Night | 62°F | Patchy Fog | 0 to 5 mph SSW | 0% |
| Sunday | 84°F | Patchy Fog then Partly Sunny | 5 to 10 mph SSW | 0% |
| Sunday Night | 61°F | Partly Cloudy | 5 mph S | 1% |
| Monday | 81°F | Mostly Sunny | 5 to 10 mph S | 1% |
| Monday Night | 63°F | Mostly Clear | 0 to 10 mph S | 1% |
| Tuesday | 83°F | Sunny | 0 to 10 mph S | 0% |
| Tuesday Night | 65°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Wednesday | 90°F | Sunny | 0 to 10 mph WNW | 1% |
| Wednesday Night | 67°F | Mostly Clear | 0 to 10 mph SSW | 3% |
| Thursday | 91°F | Sunny | 0 to 5 mph SW | 3% |
| Thursday Night | 68°F | Mostly Clear | 0 to 5 mph WSW | 1% |
| Friday | 91°F | Sunny | 0 to 5 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Rosemead (34.069, -118.083). Updated through the day.
Growing snapshot for Rosemead
Last spring frost
Jan 4
First fall frost
Jan 2
Growing season
365 days
Hardiness zone
10b
More local growing data for Rosemead: nearby ZIP 91770 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Acton
Agoura Hills
Agua Dulce
Alhambra
Alondra Park
Altadena
Arcadia
Artesia
Avalon
Avocado Heights
Azusa
Baldwin Park
Bell
Bell Canyon
Bell Gardens
Bellflower
Beverly Hills
Bradbury
Burbank
Calabasas
Carson
Castaic
Cerritos
Charter Oak
Citrus
Claremont
Commerce
Compton
Covina
Cudahy
Climate data from the nearest NOAA station, San Gabriel Fire Dept, Ca (1.7 mi from Rosemead). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.