South Pasadena, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Pasadena, a city in Los Angeles County, California.
This Afternoon
74°F
Sunny
Sunny, with a high near 74. Southwest wind around 5 mph.
7-day forecast for South Pasadena
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Sunny | 5 mph SW | 0% |
| Tonight | 54°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Wednesday | 75°F | Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 57°F | Mostly Clear | 5 mph NNW | 0% |
| Thursday | 80°F | Sunny | 5 mph N | 0% |
| Thursday Night | 57°F | Mostly Clear | 5 to 10 mph NNW | 0% |
| Friday | 83°F | Sunny | 5 mph N | 0% |
| Friday Night | 58°F | Clear | 5 to 10 mph NW | 0% |
| Saturday | 85°F | Sunny | 0 to 10 mph N | 0% |
| Saturday Night | 61°F | Clear | 0 to 10 mph N | 0% |
| Sunday | 86°F | Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 63°F | Partly Cloudy | 0 to 10 mph NNW | 0% |
| Monday | 83°F | Mostly Sunny | 0 to 5 mph SSW | 0% |
| Monday Night | 61°F | Partly Cloudy | 0 to 5 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for South Pasadena (34.109, -118.157). Updated through the day.
Growing snapshot for South Pasadena
Last spring frost
Jan 8
First fall frost
Jan 7
Growing season
365 days
Hardiness zone
10a
More local growing data for South Pasadena: nearby ZIP 91030 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Pasadena, Ca (2.8 mi from South Pasadena). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.