West Covina, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Covina, a city in Los Angeles County, California.
Tonight
55°F
Mostly Clear
Mostly clear, with a low around 55. North northwest wind around 0 mph.
7-day forecast for West Covina
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 75°F | Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 56°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Thursday | 80°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Thursday Night | 58°F | Mostly Clear | 0 to 10 mph NNW | 0% |
| Friday | 83°F | Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 58°F | Clear | 0 to 15 mph NNE | 0% |
| Saturday | 84°F | Sunny | 0 to 10 mph NE | 0% |
| Saturday Night | 60°F | Mostly Clear | 0 to 15 mph NNE | 0% |
| Sunday | 86°F | Sunny | 0 to 10 mph NE | 0% |
| Sunday Night | 62°F | Mostly Clear | 0 to 15 mph NNE | 0% |
| Monday | 84°F | Sunny | 0 to 5 mph SSE | 0% |
| Monday Night | 61°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Tuesday | 82°F | Sunny | 0 to 5 mph SE | 2% |
Forecast source: National Weather Service (api.weather.gov) for West Covina (34.056, -117.910). Updated through the day.
Growing snapshot for West Covina
Last spring frost
Jan 8
First fall frost
Dec 28
Growing season
354 days
Hardiness zone
10a
More local growing data for West Covina: nearby ZIP 91791 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Pomona/Fairplex, Ca (7.4 mi from West Covina). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.