Live Weather & Forecast
Weather in Fountain Valley
California, United States · Real-time conditions & 3-day outlook
15°C
Feels like 15°C
60°F / Feels 60°F
Clear
Fountain Valley, California
🌙 Nighttime
Updated: 2026-04-13 02:30
Humidity
69%
Wind
12.6 km/h W
Wind Gust
17.2 km/h
Pressure
1017 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
9.2°C
Wind Degree
271°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
194.9 μg/m³
NO₂
16.7 μg/m³
O₃
75 μg/m³
SO₂
10.3 μg/m³
PM 2.5
10.4 μg/m³
PM 10
13.1 μg/m³
Weather Alerts 1
Met
· Moderate · Expected
Wind Advisory issued April 12 at 12:39AM PDT until April 12 at 10:00PM PDT by NWS Los Angeles/Oxnard CA
* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph expected. Isolated gusts to around 55 mph near Lake Palmdale. * WHERE...Eastern Antelope Valley Foothills and Western Antelope Valley Foothills. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Today's Hourly Forecast
24-hour breakdown for Fountain Valley, California
12 AM
14°
Partly Cloudy
1 AM
13°
Clear
2 AM
15°
Clear
3 AM
12°
Clear
4 AM
12°
Clear
5 AM
11°
Clear
6 AM
12°
Clear
7 AM
13°
Sunny
8 AM
14°
Sunny
9 AM
15°
Patchy light drizzle
10 AM
16°
Sunny
11 AM
17°
Sunny
12 PM
18°
Sunny
1 PM
19°
Sunny
2 PM
20°
Sunny
3 PM
19°
Sunny
4 PM
19°
Partly Cloudy
5 PM
18°
Sunny
6 PM
17°
Partly Cloudy
7 PM
17°
Partly Cloudy
8 PM
16°
Clear
9 PM
16°
Partly Cloudy
10 PM
16°
Partly Cloudy
11 PM
15°
Patchy rain nearby
3-Day Forecast
Daily overview for Fountain Valley, California
Today
Patchy rain nearby
21°
/
11°
🌧️ 68% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 26.6 km/h
🌧️ Total precip: 0.66 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:23 AM
🌇 Sunset: 07:22 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
22°
/
14°
🌧️ 0% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 17.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:22 AM
🌇 Sunset: 07:23 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Overcast
18°
/
14°
🌧️ 0% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 18 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:21 AM
🌇 Sunset: 07:23 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Fountain Valley
Plan your trip to Fountain Valley, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Fountain Valley?
Current conditions in Fountain Valley: Clear, temperature 15°C, humidity 69%.
What is the best time to visit Fountain Valley?
The best time to visit Fountain Valley is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Fountain Valley?
Fountain Valley is located at approximately 33.7° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Fountain Valley?
The wettest period in Fountain Valley is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Fountain Valley?
For visits to Fountain Valley during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Fountain Valley in?
Fountain Valley is located in United States, in the state of California.
What are the public holidays in Fountain Valley in 2026?
View the 2026 public holidays for Fountain Valley on our Holidays page.
What are the GPS coordinates used for the weather forecast in Fountain Valley?
The weather forecast for Fountain Valley uses coordinates 33.7038, -117.9627.