Glendora, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glendora, a city in Los Angeles County, California.
Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. West northwest wind around 5 mph.
7-day forecast for Glendora
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 5 mph WNW | 0% |
| Wednesday | 72°F | Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 54°F | Partly Cloudy | 5 mph N | 0% |
| Thursday | 77°F | Mostly Sunny | 0 to 10 mph N | 0% |
| Thursday Night | 56°F | Mostly Clear | 0 to 10 mph N | 0% |
| Friday | 80°F | Sunny | 0 to 10 mph NNE | 0% |
| Friday Night | 56°F | Clear | 0 to 20 mph N | 0% |
| Saturday | 81°F | Sunny | 0 to 10 mph NE | 0% |
| Saturday Night | 58°F | Mostly Clear | 0 to 15 mph NNE | 0% |
| Sunday | 82°F | Sunny | 0 to 10 mph NE | 0% |
| Sunday Night | 60°F | Mostly Clear | 0 to 15 mph NNE | 0% |
| Monday | 80°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Monday Night | 59°F | Partly Cloudy | 0 to 10 mph NNE | 0% |
| Tuesday | 78°F | Sunny | 0 mph | 3% |
Forecast source: National Weather Service (api.weather.gov) for Glendora (34.145, -117.848). Updated through the day.
Growing snapshot for Glendora
Last spring frost
Jan 8
First fall frost
Dec 28
Growing season
354 days
Hardiness zone
10a
More local growing data for Glendora: nearby ZIP 91741 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
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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, Pomona/Fairplex, Ca (6.9 mi from Glendora). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.