Pomona, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pomona, a city in Los Angeles County, California.
Today
73°F
Sunny
Sunny, with a high near 73. South southwest wind 5 to 10 mph.
7-day forecast for Pomona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Sunny | 5 to 10 mph SSW | 0% |
| Tonight | 53°F | Mostly Clear | 5 to 10 mph SSE | 0% |
| Wednesday | 73°F | Sunny | 5 mph W | 0% |
| Wednesday Night | 55°F | Mostly Clear | 5 mph WNW | 0% |
| Thursday | 76°F | Sunny | 5 mph N | 0% |
| Thursday Night | 56°F | Mostly Clear | 5 mph N | 0% |
| Friday | 79°F | Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 57°F | Clear | 0 to 15 mph NNE | 0% |
| Saturday | 83°F | Sunny | 0 to 10 mph NE | 0% |
| Saturday Night | 59°F | Clear | 0 to 15 mph NNE | 0% |
| Sunday | 83°F | Sunny | 0 to 10 mph NE | 0% |
| Sunday Night | 61°F | Partly Cloudy | 0 to 15 mph NNE | 0% |
| Monday | 81°F | Mostly Sunny | 0 to 5 mph ENE | 0% |
| Monday Night | 59°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Pomona (34.058, -117.761). Updated through the day.
Growing snapshot for Pomona
Last spring frost
Jan 8
First fall frost
Dec 28
Growing season
354 days
Hardiness zone
10a
More local growing data for Pomona: nearby ZIP 91766 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Pomona/Fairplex, Ca (2.8 mi from Pomona). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.