Sierra Madre, CA Weather & Growing Conditions
This Afternoon
87°F
Sunny
Sunny, with a high near 87. South southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 87°F | Sunny | 5 mph SSW | 0% |
| Tonight | 60°F | Partly Cloudy | 0 to 5 mph SSE | 0% |
| Sunday | 85°F | Mostly Sunny | 0 to 5 mph S | 0% |
| Sunday Night | 59°F | Patchy Fog | 0 to 5 mph S | 2% |
| Monday | 81°F | Mostly Sunny | 5 mph SSW | 2% |
| Monday Night | 57°F | Mostly Clear | 0 to 5 mph S | 0% |
| Tuesday | 81°F | Sunny | 0 to 5 mph SSW | 0% |
| Tuesday Night | 63°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Wednesday | 89°F | Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 66°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Thursday | 91°F | Sunny | 0 to 5 mph SSE | 0% |
| Thursday Night | 67°F | Mostly Clear | 0 to 5 mph SSE | 0% |
| Friday | 89°F | Sunny | 0 to 5 mph SSE | 2% |
| Friday Night | 66°F | Mostly Clear | 0 to 5 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sierra Madre, CA
Last spring frost
Apr 28
First fall frost
Nov 15
Growing season
199 days
Hardiness zone
10a
Explore more for Sierra Madre, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Mt Wilson Cbs, Ca (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.