Glendora, CA Weather & Growing Conditions
Today
83°F
Sunny
Sunny, with a high near 83. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 5 mph SW | 0% |
| Tonight | 72°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Wednesday | 82°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 74°F | Clear | 0 to 5 mph SW | 0% |
| Thursday | 81°F | Sunny | 0 to 10 mph SSW | 0% |
| Thursday Night | 72°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Friday | 85°F | Sunny | 0 to 10 mph SSW | 2% |
| Friday Night | 73°F | Mostly Clear | 0 to 5 mph SW | 2% |
| Saturday | 87°F | Sunny | 0 to 5 mph SSW | 1% |
| Saturday Night | 75°F | Mostly Clear | 0 to 5 mph WSW | 1% |
| Sunday | 87°F | Sunny | 0 to 10 mph SSW | 2% |
| Sunday Night | 73°F | Mostly Clear | 0 to 5 mph S | 1% |
| Monday | 83°F | Sunny | 0 to 10 mph SSW | 6% |
| Monday Night | 70°F | Mostly Clear | 0 to 10 mph SSW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Glendora, CA
Last spring frost
May 16
First fall frost
Oct 13
Growing season
151 days
Hardiness zone
9b
Explore more for Glendora, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Wrightwood, Ca (10.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.