San Gabriel, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for San Gabriel, a city in Los Angeles County, California.
Overnight
68°F
Partly Cloudy
Partly cloudy, with a low around 68. South wind 0 to 5 mph.
7-day forecast for San Gabriel
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Tuesday | 92°F | Sunny | 0 to 5 mph SSW | 0% |
| Tuesday Night | 67°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Wednesday | 90°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 68°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Thursday | 90°F | Sunny | 0 to 5 mph SSW | 0% |
| Thursday Night | 67°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Friday | 93°F | Sunny | 0 to 5 mph SSW | 0% |
| Friday Night | 68°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Saturday | 94°F | Sunny | 0 to 5 mph SSW | 0% |
| Saturday Night | 68°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Sunday | 93°F | Sunny | 0 to 5 mph SSW | 0% |
| Sunday Night | 67°F | Mostly Clear | 0 to 5 mph S | 1% |
| Monday | 90°F | Sunny | 0 to 10 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for San Gabriel (34.095, -118.098). Updated through the day.
Growing snapshot for San Gabriel
Last spring frost
Jan 4
First fall frost
Jan 2
Growing season
365 days
Hardiness zone
10a
More local growing data for San Gabriel: nearby ZIP 91776 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, San Gabriel Fire Dept, Ca (0.5 mi from San Gabriel). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.