Topanga, CA Weather & Growing Conditions
Today
81°F
Sunny
Sunny, with a high near 81. Southwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 5 to 10 mph SW | 0% |
| Tonight | 61°F | Mostly Cloudy then Patchy Fog | 5 mph SSE | 1% |
| Sunday | 79°F | Patchy Fog then Partly Sunny | 5 to 10 mph SSE | 1% |
| Sunday Night | 59°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph SSE | 1% |
| Monday | 74°F | Patchy Fog then Mostly Sunny | 5 to 10 mph SSE | 1% |
| Monday Night | 58°F | Partly Cloudy | 0 to 10 mph WSW | 0% |
| Tuesday | 76°F | Sunny | 0 to 10 mph S | 0% |
| Tuesday Night | 60°F | Mostly Clear | 0 to 10 mph SSW | 0% |
| Wednesday | 84°F | Sunny | 0 to 5 mph SSW | 0% |
| Wednesday Night | 62°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Thursday | 85°F | Sunny | 0 to 5 mph S | 0% |
| Thursday Night | 63°F | Mostly Clear | 0 to 5 mph SSE | 2% |
| Friday | 85°F | Sunny | 0 to 10 mph S | 1% |
| Friday Night | 64°F | Mostly Clear | 0 to 10 mph SE | 0% |
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 Sep 19, 2026.