Poway, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Poway, a city in San Diego County, California.
Today
73°F
Mostly Sunny
Mostly sunny, with a high near 73. West wind 5 to 10 mph.
7-day forecast for Poway
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Sunny | 5 to 10 mph W | 2% |
| Tonight | 57°F | Mostly Cloudy | 5 mph N | 11% |
| Wednesday | 74°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 55°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Thursday | 78°F | Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 55°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Friday | 82°F | Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 58°F | Clear | 0 to 10 mph NE | 0% |
| Saturday | 86°F | Sunny | 0 to 10 mph NE | 0% |
| Saturday Night | 62°F | Mostly Clear | 0 to 15 mph NE | 0% |
| Sunday | 86°F | Sunny | 5 to 10 mph NE | 0% |
| Sunday Night | 63°F | Partly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 83°F | Mostly Sunny | 0 to 5 mph S | 0% |
| Monday Night | 61°F | Partly Cloudy | 0 to 5 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Poway (32.988, -117.022). Updated through the day.
Growing snapshot for Poway
Last spring frost
Jan 5
First fall frost
Jan 2
Growing season
365 days
Hardiness zone
10a
More local growing data for Poway: nearby ZIP 92064 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Rancho Bernardo, Ca (4.7 mi from Poway). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.