Duarte, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Duarte, a city in Los Angeles County, California.
Overnight
54°F
Mostly Clear
Mostly clear, with a low around 54. Northwest wind around 5 mph.
7-day forecast for Duarte
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Clear | 5 mph NW | 0% |
| Wednesday | 73°F | Sunny | 0 to 5 mph NNW | 0% |
| Wednesday Night | 57°F | Partly Cloudy | 5 mph N | 0% |
| Thursday | 77°F | Mostly Sunny | 0 to 10 mph N | 0% |
| Thursday Night | 58°F | Mostly Clear | 0 to 10 mph N | 0% |
| Friday | 81°F | Sunny | 0 to 10 mph NNE | 0% |
| Friday Night | 58°F | Clear | 0 to 20 mph N | 0% |
| Saturday | 82°F | Sunny | 0 to 10 mph NNE | 0% |
| Saturday Night | 60°F | Clear | 0 to 20 mph N | 0% |
| Sunday | 82°F | Sunny | 0 to 10 mph ENE | 0% |
| Sunday Night | 63°F | Mostly Clear | 0 to 15 mph N | 0% |
| Monday | 81°F | Sunny | 0 to 5 mph NE | 0% |
| Monday Night | 62°F | Partly Cloudy | 0 to 10 mph NNE | 0% |
| Tuesday | 79°F | Sunny | 0 mph | 3% |
Forecast source: National Weather Service (api.weather.gov) for Duarte (34.161, -117.950). Updated through the day.
Growing snapshot for Duarte
Last spring frost
Apr 28
First fall frost
Nov 15
Growing season
199 days
Hardiness zone
10a
More local growing data for Duarte: nearby ZIP 91008 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Mt Wilson Cbs, Ca (7.9 mi from Duarte). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.