Heat Advisory — Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS 8:00 PM Beach Hazards Statement — San Diego County Coastal Areas, CA, Orange County Coastal, CA 7:00 PM

San Diego County Coastal Areas, CA

Last updated: 3:32 AM CDT  ·  Refresh
27°C
Feels like 31°
Clear
▲ 36°  /  ▼ 26°
Wind
5 mph W
Humidity
87%
Dew Point
24°
Pressure
29.84 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
2%
Sunrise
6:20 AM
Sunset
8:01 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: San Diego County Coastal Areas is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1549 J/kg) — isolated convective development possible. Sunrise: 6:20AM · Sunset: 8:01PM.

Alerts

Heat Advisory
Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS
Expires 8:00 PM
Beach Hazards Statement
San Diego County Coastal Areas, CA, Orange County Coastal, CA
Expires 7:00 PM
30 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
8%
4 AM
27°
7%
5 AM
25°
7%
6 AM
25°
7%
7 AM
26°
7%
8 AM
27°
7%
9 AM
29°
7%
10 AM
31°
7%
11 AM
32°
8%
12 PM
33°
8%
1 PM
36°
5%
2 PM
36°
5%
3 PM
36°
5%
4 PM
36°
5%
5 PM
36°
5%
6 PM
36°
3%
7 PM
34°
3%
8 PM
33°
3%
9 PM
32°
3%
10 PM
31°
3%
11 PM
31°
3%
12 AM
30°
3%
1 AM
29°
3%
2 AM
29°
3%
7-Day Forecast
Today
36° 26°
Mostly Clear.
Wed
38° 26°
Partly Cloudy.
Thu
37° 26°
Mostly Cloudy with a 50% chance of rain.
Fri
36° 26°
Rain, 83% chance.
Sat
36° 24°
Rain, 82% chance.
Sun
35° 23°
Rain, 70% chance.
Mon
37° 24°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 8% 5 mph W 87%
4 AM 27° Clear 7% 5 mph W 87%
5 AM 25° Clear 7% 5 mph W 88%
6 AM 25° Mostly Clear 7% 5 mph W 89%
7 AM 26° Mostly Clear 7% 6 mph W 86%
8 AM 27° Partly Cloudy 7% 8 mph W 81%
9 AM 29° Partly Cloudy 7% 8 mph WNW 75%
10 AM 31° Partly Cloudy 7% 8 mph WNW 69%
11 AM 32° Mostly Clear 8% 7 mph WNW 62%
12 PM 33° Mostly Clear 8% 7 mph WNW 55%
1 PM 36° Mostly Clear 5% 7 mph WNW 51%
2 PM 36° Mostly Clear 5% 7 mph W 50%
3 PM 36° Mostly Clear 5% 7 mph W 50%
4 PM 36° Mostly Clear 5% 8 mph W 51%
5 PM 36° Mostly Clear 5% 7 mph WSW 53%
6 PM 36° Clear 3% 6 mph WSW 56%
7 PM 34° Clear 3% 6 mph WSW 60%
8 PM 33° Mostly Clear 3% 6 mph WSW 65%
9 PM 32° Mostly Clear 3% 6 mph WSW 69%
10 PM 31° Mostly Clear 3% 5 mph WSW 73%
11 PM 31° Mostly Clear 3% 5 mph WSW 76%
12 AM 30° Mostly Clear 3% 6 mph WSW 79%
1 AM 29° Clear 3% 6 mph W 81%
2 AM 29° Mostly Clear 3% 5 mph W 83%
15-Day Forecast
Today
7/28
Mostly Clear
8%
26°
36°
Wed
7/29
Partly Cloudy
12%
26°
38°
Thu
7/30
Mostly Cloudy
50%
26°
37°
Fri
7/31
Rain
83%
26°
36°
Sat
8/1
Rain
82%
24°
36°
Sun
8/2
Rain
70%
23°
35°
Mon
8/3
Drizzle
53%
24°
37°
Tue
8/4
Drizzle
43%
24°
38°
Wed
8/5
Drizzle
44%
24°
38°
Thu
8/6
Drizzle
51%
24°
38°
Fri
8/7
Drizzle
60%
24°
37°
Sat
8/8
Drizzle
60%
24°
36°
Sun
8/9
Drizzle
60%
24°
36°
Mon
8/10
Drizzle
60%
24°
37°
Tue
8/11
Drizzle
60%
24°
37°
30
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
25 AQI 4.5 µg/m³
O3
Ground-level ozone
Dominant
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 30 Good 30 25
Wed 34 Good 30 34
Thu 46 Good 30 46
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 Tue Jul 28, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE994 J/kg
MLCAPE835 J/kg
MUCAPE1318 J/kg
SBCIN-138 J/kg
MLCIN0 J/kg
Lifted Index-2.0
Kinematics
0–6 km Shear24 kt
0–1 km Shear5 kt
Eff. Shear30 kt
0–1 km SRH22
0–3 km SRH17
Eff. SRH17
Storm Motion329° @ 18 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.4
K-Index25.0
Thermo & Levels
PWAT1.66 in
0–3 km LR5.0 °C/km
700–500 LR4.9 °C/km
Total Totals40.5
LCL977 hPa
LFC778 hPa
EL184 hPa
Freezing Lvl17,372 ft