Poway, CA Weather & Growing Conditions
Tonight
59°F
Partly Cloudy
Partly cloudy, with a low around 59. North wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 81°F | Sunny | 0 to 10 mph NW | 0% |
| Saturday Night | 60°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Sunday | 79°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Sunday Night | 61°F | Mostly Cloudy | 0 to 5 mph SW | 2% |
| Monday | 78°F | Mostly Sunny | 0 to 10 mph S | 1% |
| Monday Night | 59°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Tuesday | 80°F | Sunny | 0 to 10 mph N | 0% |
| Tuesday Night | 61°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Wednesday | 86°F | Sunny | 0 to 10 mph N | 2% |
| Wednesday Night | 64°F | Mostly Clear | 0 to 5 mph N | 2% |
| Thursday | 88°F | Sunny | 0 to 5 mph NW | 3% |
| Thursday Night | 66°F | Mostly Clear | 0 to 5 mph NW | 1% |
| Friday | 88°F | Sunny | 0 to 5 mph NW | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Poway, CA
Last spring frost
Jan 5
First fall frost
Jan 2
Growing season
365 days
Hardiness zone
10a
Explore more for Poway, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Rancho Bernardo, Ca (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.