Santee, CA Weather & Growing Conditions
This Afternoon
76°F
Sunny
Sunny, with a high near 76. West wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 5 to 10 mph W | 0% |
| Tonight | 54°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Thursday | 80°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Thursday Night | 55°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Friday | 84°F | Sunny | 0 to 10 mph N | 0% |
| Friday Night | 57°F | Mostly Clear | 5 to 10 mph NE | 0% |
| Saturday | 88°F | Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 59°F | Mostly Clear | 5 to 15 mph NE | 0% |
| Sunday | 88°F | Sunny | 5 to 10 mph NE | 0% |
| Sunday Night | 60°F | Partly Cloudy | 5 to 15 mph NE | 0% |
| Monday | 87°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Monday Night | 60°F | Partly Cloudy | 5 to 10 mph NE | 0% |
| Tuesday | 84°F | Sunny | 0 to 5 mph W | 0% |
| Tuesday Night | 58°F | Mostly Clear | 0 to 5 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Santee, CA
Last spring frost
Jan 6
First fall frost
Dec 21
Growing season
350 days
Hardiness zone
10a
Explore more for Santee, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, El Cajon, Ca (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.