Topanga, CA Weather & Growing Conditions
Today
91°F
Sunny
Sunny, with a high near 91. South wind 0 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Sunny | 0 to 10 mph S | 0% |
| Tonight | 61°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Wednesday | 91°F | Sunny | 0 to 10 mph SSW | 0% |
| Wednesday Night | 64°F | Mostly Clear | 0 to 10 mph SSE | 0% |
| Thursday | 92°F | Sunny | 0 to 5 mph SSW | 0% |
| Thursday Night | 64°F | Mostly Clear | 0 to 5 mph SSE | 0% |
| Friday | 93°F | Sunny | 0 to 5 mph SSE | 0% |
| Friday Night | 65°F | Mostly Clear | 0 to 5 mph S | 0% |
| Saturday | 94°F | Sunny | 0 to 5 mph SSE | 0% |
| Saturday Night | 65°F | Clear | 0 to 5 mph SE | 0% |
| Sunday | 93°F | Sunny | 0 to 5 mph SSE | 0% |
| Sunday Night | 64°F | Mostly Clear | 0 to 5 mph SSE | 0% |
| Monday | 90°F | Sunny | 0 to 10 mph SSE | 1% |
| Monday Night | 63°F | Mostly Clear | 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 Aug 4, 2026.