Santa Ana, California Weather Forecast

Orange County 33.74°N, 117.88°W Pop. 332,318

Santa Ana is in Orange County, California. This page has current conditions, radar, a 7-day forecast, observed rainfall and the NWS written forecast for the area.

Active Weather Alerts

7-Day Forecast for Santa Ana

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Hourly charts, 15-day outlook and more for Santa Ana in Local Wx →

Growing Conditions

Growing degree days
4,443
since Apr 1, base 50°F
Rain, last 30 days
1.47 in
model analysis
Rain, year to date
8.11 in
since Jan 1
2-inch soil temperature
68°F
yesterday, daily average
Reference ET, last 7 days
0.89 in
FAO-56 grass reference
Through Oct 23. Season totals use model analysis for this point and update every morning. Soil, ET and spray tools for Santa Ana →

Current Stats & Observations

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NWS Forecast

About Santa Ana Weather

Santa Ana sits at about 82 feet above sea level in Orange County, California. About 332,318 people live in the Santa Ana area. Official forecasts and warnings for the area come from the National Weather Service SGX office, and the nearest NEXRAD radar site is KSOX. The city is in USDA plant hardiness zone 10b, where the coldest winter night typically falls between 35 to 40°F. Freezing temperatures are rare here.