Fountain Valley, California Weather Forecast
Today in Fountain Valley: clear skies with a high near 80°F and a low around 61°F. Rain chance 0%. Rain chances peak at 26% on Tuesday. Warming trend: highs climb from 80°F today to 89°F by Saturday.
Forecast updated 7:05 AM PDT, Oct 14
Active Weather Alerts
7-Day Forecast for Fountain Valley
Today 10/14
80°/61°
0%
Thu 10/15
89°/64°
0%
Fri 10/16
94°/73°
0%
Sat 10/17
89°/72°
0%
Sun 10/18
85°/69°
0%
Mon 10/19
81°/68°
0%
Tue 10/20
73°/65°
26%
Next 24 Hours
| Now | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | Thu12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky | | | | | | | | | | | |  | | | | | | | | | | | | |
| Temp | 67° | 72° | 76° | 78° | 79° | 80° | 79° | 79° | 78° | 75° | 73° | 71° | 70° | 69° | 67° | 66° | 65° | 65° | 64° | 64° | 64° | 64° | 65° | 68° |
| Rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Wind | N 3 | NW 1 | W 0 | WSW 2 | WSW 4 | WSW 6 | WSW 7 | WSW 8 | W 9 | W 7 | W 6 | WSW 5 | SW 4 | ESE 5 | E 4 | NE 4 | NNE 4 | N 4 | N 5 | N 5 | N 5 | NNW 5 | N 5 | N 7 |
Growing Conditions
Growing degree days
3,857
since Apr 1, base 50°F
Rain, last 30 days
0.58 in
model analysis
Rain, year to date
7.63 in
since Jan 1
2-inch soil temperature
68°F
yesterday, daily average
Reference ET, last 7 days
0.85 in
FAO-56 grass reference
Through Oct 13. 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.
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