Harman US

San Gabriel, CA Weather & Growing Conditions

Overnight
61°F
Partly Cloudy
Partly cloudy, with a low around 61. East southeast wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 61°F Partly Cloudy 5 mph ESE 0%
Saturday 86°F Sunny 5 to 10 mph S 0%
Saturday Night 63°F Patchy Fog 0 to 5 mph SSW 0%
Sunday 83°F Patchy Fog then Mostly Sunny 5 to 10 mph SSW 1%
Sunday Night 62°F Patchy Fog 0 to 5 mph SSE 1%
Monday 80°F Mostly Sunny 5 to 10 mph SSW 1%
Monday Night 63°F Partly Cloudy 0 to 5 mph S 0%
Tuesday 82°F Sunny 0 to 5 mph S 0%
Tuesday Night 65°F Mostly Clear 0 to 5 mph SSW 0%
Wednesday 89°F Sunny 0 to 5 mph WSW 0%
Wednesday Night 66°F Mostly Clear 0 to 5 mph SW 0%
Thursday 90°F Sunny 0 to 5 mph SW 2%
Thursday Night 67°F Mostly Clear 0 to 5 mph S 2%
Friday 89°F Sunny 0 to 5 mph S 3%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for San Gabriel, CA

Last spring frost
Jan 4
First fall frost
Jan 2
Growing season
365 days
Hardiness zone
10a

Explore more for San Gabriel, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, San Gabriel Fire Dept, Ca (0.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.