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Santee, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Santee, a city in San Diego County, California.

Overnight
66°F
Patchy Fog
Patchy fog. Mostly cloudy, with a low around 66. South wind around 0 mph.

7-day forecast for Santee

WhenTempForecastWindPrecip
Overnight 66°F Patchy Fog 0 mph 0%
Tuesday 88°F Patchy Fog then Mostly Sunny 0 to 10 mph SW 0%
Tuesday Night 66°F Patchy Fog 0 to 10 mph W 0%
Wednesday 87°F Patchy Fog then Mostly Sunny 0 to 10 mph SW 1%
Wednesday Night 67°F Mostly Clear then Patchy Fog 0 to 5 mph W 0%
Thursday 89°F Patchy Fog then Sunny 0 to 10 mph SW 1%
Thursday Night 68°F Patchy Fog 0 to 5 mph W 1%
Friday 93°F Patchy Fog then Sunny 0 to 10 mph W 1%
Friday Night 67°F Mostly Clear 0 to 10 mph SW 0%
Saturday 91°F Sunny 0 to 10 mph SW 0%
Saturday Night 67°F Mostly Clear 0 to 10 mph SW 0%
Sunday 90°F Sunny 0 to 10 mph SW 2%
Sunday Night 67°F Partly Cloudy 0 to 10 mph SW 3%
Monday 89°F Sunny 0 to 10 mph SW 5%

Forecast source: National Weather Service (api.weather.gov) for Santee (32.855, -116.986). Updated through the day.

Growing snapshot for Santee

Last spring frost
Jan 6
First fall frost
Dec 21
Growing season
350 days
Hardiness zone
10a

More local growing data for Santee: nearby ZIP 92071 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, El Cajon, Ca (5.2 mi from Santee). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.