Pasadena, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pasadena, a city in Los Angeles County, California.
Today
74°F
Mostly Sunny
Mostly sunny, with a high near 74. Southwest wind around 5 mph.
7-day forecast for Pasadena
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Mostly Sunny | 5 mph SW | 0% |
| Tonight | 52°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Wednesday | 74°F | Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 55°F | Mostly Clear | 5 mph N | 0% |
| Thursday | 79°F | Sunny | 5 mph N | 0% |
| Thursday Night | 57°F | Mostly Clear | 5 to 10 mph N | 0% |
| Friday | 82°F | Sunny | 0 to 10 mph NNE | 0% |
| Friday Night | 58°F | Clear | 0 to 10 mph N | 0% |
| Saturday | 84°F | Sunny | 0 to 10 mph N | 0% |
| Saturday Night | 61°F | Clear | 0 to 10 mph NW | 0% |
| Sunday | 84°F | Sunny | 0 to 5 mph NW | 0% |
| Sunday Night | 62°F | Partly Cloudy | 0 to 10 mph N | 0% |
| Monday | 82°F | Mostly Sunny | 0 to 5 mph S | 0% |
| Monday Night | 61°F | Partly Cloudy | 0 to 5 mph NNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Pasadena (34.161, -118.138). Updated through the day.
Growing snapshot for Pasadena
Last spring frost
Jan 8
First fall frost
Jan 7
Growing season
365 days
Hardiness zone
10a
More local growing data for Pasadena: nearby ZIP 91101 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Pasadena, Ca (0.3 mi from Pasadena). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.