Pasadena, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pasadena, a city in Los Angeles County, California.
Today
89°F
Sunny
Sunny, with a high near 89. South wind around 5 mph.
7-day forecast for Pasadena
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Sunny | 5 mph S | 0% |
| Tonight | 62°F | Patchy Fog | 0 to 5 mph SE | 0% |
| Sunday | 86°F | Patchy Fog then Mostly Sunny | 0 to 5 mph S | 0% |
| Sunday Night | 61°F | Patchy Fog | 5 mph SSE | 1% |
| Monday | 79°F | Mostly Sunny | 5 mph SSW | 1% |
| Monday Night | 59°F | Partly Cloudy | 0 to 5 mph SSE | 0% |
| Tuesday | 82°F | Sunny | 0 to 5 mph S | 0% |
| Tuesday Night | 63°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Wednesday | 89°F | Sunny | 0 to 5 mph WSW | 0% |
| Wednesday Night | 64°F | Mostly Clear | 0 to 5 mph S | 0% |
| Thursday | 89°F | Sunny | 0 to 5 mph SSW | 2% |
| Thursday Night | 65°F | Mostly Clear | 0 to 5 mph SSE | 2% |
| Friday | 89°F | Sunny | 0 to 5 mph S | 3% |
| Friday Night | 65°F | Mostly Clear | 0 to 5 mph SSE | 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 Sep 19, 2026.