Topanga, CA Weather & Growing Conditions
Tonight
52°F
Clear
Clear, with a low around 52. Northwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Clear | 5 to 10 mph NW | 0% |
| Wednesday | 72°F | Sunny | 5 to 10 mph NW | 0% |
| Wednesday Night | 54°F | Mostly Clear | 5 to 10 mph N | 0% |
| Thursday | 77°F | Sunny | 5 to 15 mph NNW | 0% |
| Thursday Night | 57°F | Mostly Clear | 5 to 15 mph NNW | 0% |
| Friday | 81°F | Sunny | 10 to 15 mph NNE | 0% |
| Friday Night | 59°F | Clear | 10 to 15 mph N | 0% |
| Saturday | 84°F | Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 59°F | Clear | 5 to 15 mph N | 0% |
| Sunday | 83°F | Sunny | 0 to 10 mph N | 0% |
| Sunday Night | 61°F | Partly Cloudy | 5 to 10 mph NNW | 0% |
| Monday | 81°F | Mostly Sunny | 0 to 5 mph ENE | 0% |
| Monday Night | 59°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Tuesday | 78°F | Mostly Sunny | 0 to 5 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Topanga, CA
Last spring frost
Jan 24
First fall frost
Dec 15
Growing season
329 days
Hardiness zone
10b
Explore more for Topanga, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Woodland Hills Pierce College, Ca (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.