Sierra Madre, CA Weather & Growing Conditions
Overnight
65°F
Mostly Clear
Mostly clear, with a low around 65. Southwest wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 96°F | Sunny | 0 to 5 mph SSW | 0% |
| Tuesday Night | 64°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Wednesday | 95°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 65°F | Mostly Clear | 0 to 5 mph S | 0% |
| Thursday | 95°F | Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 65°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Friday | 94°F | Sunny | 0 to 5 mph SSW | 0% |
| Friday Night | 66°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Saturday | 96°F | Sunny | 0 to 5 mph SSW | 0% |
| Saturday Night | 66°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Sunday | 95°F | Sunny | 0 to 5 mph SSW | 0% |
| Sunday Night | 65°F | Mostly Clear | 0 to 5 mph S | 1% |
| Monday | 91°F | Sunny | 0 to 5 mph S | 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 Aug 4, 2026.