Beach Hazards Statement — San Diego County Coastal Areas, CA, Orange County Coastal, CA 1:00 AM Heat Advisory — Orange County Coastal, CA 10:00 PM

Fountain Valley, California

Last updated: 11:21 PM CDT  ·  Refresh
26°C
Feels like 29°
Mostly Clear
▲ 34°  /  ▼ 21°
Wind
4 mph SW
Humidity
73%
Dew Point
21°
Pressure
29.76 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
23%
Sunrise
6:21 AM
Sunset
7:24 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Fountain Valley is currently mostly clear at 26°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:21AM · Sunset: 7:24PM.

Alerts

Beach Hazards Statement
San Diego County Coastal Areas, CA, Orange County Coastal, CA
Expires 1:00 AM
Heat Advisory
Orange County Coastal, CA
Expires 10:00 PM
49 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
4%
10 PM
25°
5%
11 PM
25°
6%
12 AM
24°
6%
1 AM
24°
7%
2 AM
24°
8%
3 AM
24°
8%
4 AM
23°
8%
5 AM
21°
8%
6 AM
21°
8%
7 AM
22°
9%
8 AM
22°
7%
9 AM
23°
9%
10 AM
25°
9%
11 AM
26°
7%
12 PM
27°
7%
1 PM
29°
17%
2 PM
30°
6%
3 PM
29°
6%
4 PM
30°
6%
5 PM
29°
6%
6 PM
28°
6%
7 PM
27°
6%
8 PM
27°
6%
7-Day Forecast
Tonight
34° 21°
Mostly Clear.
Thu
30° 21°
Mostly Cloudy.
Fri
31° 22°
Partly Cloudy.
Sat
29° 20°
Partly Cloudy.
Sun
28° 19°
Mostly Cloudy.
Mon
27° 18°
Clear.
Tue
28° 18°
Clear with a 52% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 4% 4 mph SW 73%
10 PM 25° Partly Cloudy 5% 3 mph WSW 73%
11 PM 25° Partly Cloudy 6% 2 mph WSW 73%
12 AM 24° Mostly Cloudy 6% 2 mph SSW 74%
1 AM 24° Overcast 7% 3 mph SSE 75%
2 AM 24° Mostly Cloudy 8% 4 mph S 77%
3 AM 24° Overcast 8% 4 mph S 79%
4 AM 23° Overcast 8% 4 mph S 81%
5 AM 21° Overcast 8% 4 mph S 83%
6 AM 21° Overcast 8% 4 mph SSE 84%
7 AM 22° Overcast 9% 4 mph SSE 84%
8 AM 22° Overcast 7% 4 mph SSE 82%
9 AM 23° Mostly Cloudy 9% 4 mph S 76%
10 AM 25° Mostly Cloudy 9% 4 mph SSW 70%
11 AM 26° Partly Cloudy 7% 5 mph SSW 66%
12 PM 27° Mostly Cloudy 7% 6 mph SW 64%
1 PM 29° Mostly Cloudy 17% 7 mph SW 60%
2 PM 30° Mostly Cloudy 6% 8 mph SW 58%
3 PM 29° Mostly Cloudy 6% 8 mph SW 59%
4 PM 30° Overcast 6% 8 mph SW 61%
5 PM 29° Overcast 6% 8 mph SW 63%
6 PM 28° Mostly Cloudy 6% 8 mph SW 66%
7 PM 27° Mostly Cloudy 6% 7 mph SW 70%
8 PM 27° Mostly Cloudy 6% 7 mph SW 72%
15-Day Forecast
Today
8/26
Mostly Clear
4%
21°
34°
Thu
8/27
Mostly Cloudy
9%
21°
30°
Fri
8/28
Partly Cloudy
7%
22°
31°
Sat
8/29
Partly Cloudy
7%
20°
29°
Sun
8/30
Mostly Cloudy
3%
19°
28°
Mon
8/31
Clear
8%
18°
27°
Tue
9/1
Clear
52%
18°
28°
Wed
9/2
Clear
53%
20°
28°
Thu
9/3
Drizzle
43%
21°
29°
Fri
9/4
Clear
19%
21°
31°
Sat
9/5
Clear
25%
21°
30°
Sun
9/6
Clear
3%
22°
27°
Mon
9/7
Clear
25%
22°
27°
Tue
9/8
Clear
25%
22°
26°
Wed
9/9
Clear
25%
22°
27°
49
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
47 AQI 8.6 µg/m³
O3
Ground-level ozone
Dominant
49 AQI 54 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 49 Good 49 47
Fri 52 Moderate 51 52
Sat 58 Moderate 58 55
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Thu Aug 27, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE180 J/kg
MLCAPE43 J/kg
MUCAPE253 J/kg
SBCIN-1084 J/kg
MLCIN0 J/kg
Lifted Index-1.8
Kinematics
0–6 km Shear14 kt
0–1 km Shear8 kt
Eff. Shear—
0–1 km SRH-35
0–3 km SRH8
Eff. SRH—
Storm Motion252° @ 17 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index24.6
Thermo & Levels
PWAT1.41 in
0–3 km LR3.3 °C/km
700–500 LR7.9 °C/km
Total Totals44.9
LCL934 hPa
LFC598 hPa
EL351 hPa
Freezing Lvl15,584 ft