Fountain Valley, California Weather Forecast

Orange County 33.71°N, 117.95°W Pop. 55,357

Fountain Valley 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 Fountain Valley

Loading forecast...

Hourly charts, 15-day outlook and more for Fountain Valley in Local Wx →

Growing Conditions

Growing degree days

4,073

since Apr 1, base 50°F

Rain, last 30 days

0.71 in

model analysis

Rain, year to date

7.76 in

since Jan 1

2-inch soil temperature

69°F

yesterday, daily average

Reference ET, last 7 days

0.86 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 Fountain Valley →

Current Stats & Observations

NWS Forecast

About Fountain Valley Weather

Fountain Valley sits at about 46 feet above sea level in Orange County, California. About 55,357 people live in the Fountain Valley 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.

Nearby Forecasts

Huntington Beach, CA Costa Mesa, CA Westminster, CA Santa Ana, CA Garden Grove, CA Newport Beach, CA Tustin, CA Orange, CA

Largest Cities in California

Los Angeles, CA San Francisco, CA San Diego, CA Riverside, CA Sacramento, CA San Jose, CA Fresno, CA Concord, CA Mission Viejo, CA Bakersfield, CA

All California forecasts (193) → All states → Interactive forecast tools →