Heat Advisory — San Bernardino County Mountains, CA 10:00 PM

San Clemente, California

Last updated: 11:48 AM CDT  ·  Refresh
22°C
Feels like 23°
Partly Cloudy
▲ 24°  /  ▼ 19°
Wind
6 mph S
Humidity
76%
Dew Point
18°
Pressure
29.65 inHg
Visibility
9 mi
UV Index
7.0
Cloud Cover
55%
Sunrise
6:00 AM
Sunset
7:52 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: San Clemente is currently partly cloudy at 22°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:00AM · Sunset: 7:52PM.

Alerts

Heat Advisory
San Bernardino County Mountains, CA
Expires 10:00 PM
43 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
7%
10 AM
23°
3%
11 AM
24°
4%
12 PM
24°
5%
1 PM
24°
5%
2 PM
24°
6%
3 PM
23°
3%
4 PM
23°
3%
5 PM
22°
3%
6 PM
22°
6%
7 PM
21°
6%
8 PM
21°
6%
9 PM
20°
6%
10 PM
20°
6%
11 PM
20°
6%
12 AM
19°
6%
1 AM
19°
6%
2 AM
19°
6%
3 AM
19°
16%
4 AM
19°
16%
5 AM
19°
16%
6 AM
20°
7%
7 AM
20°
7%
8 AM
21°
7%
7-Day Forecast
Today
24° 19°
Partly Cloudy.
Thu
26° 19°
Partly Cloudy.
Fri
27° 19°
Partly Cloudy.
Sat
28° 21°
Partly Cloudy.
Sun
28° 21°
Clear.
Mon
28° 21°
Clear.
Tue
27° 20°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 22° Partly Cloudy 7% 6 mph S 76%
10 AM 23° Partly Cloudy 3% 7 mph SSW 74%
11 AM 24° Mostly Clear 4% 8 mph SW 74%
12 PM 24° Mostly Clear 5% 8 mph SW 74%
1 PM 24° Mostly Clear 5% 8 mph WSW 73%
2 PM 24° Mostly Clear 6% 8 mph WSW 74%
3 PM 23° Mostly Clear 3% 8 mph WSW 75%
4 PM 23° Mostly Clear 3% 7 mph WSW 76%
5 PM 22° Partly Cloudy 3% 6 mph WSW 78%
6 PM 22° Partly Cloudy 6% 5 mph SW 82%
7 PM 21° Partly Cloudy 6% 5 mph SSW 85%
8 PM 21° Partly Cloudy 6% 4 mph S 86%
9 PM 20° Partly Cloudy 6% 4 mph S 86%
10 PM 20° Mostly Cloudy 6% 3 mph SSE 86%
11 PM 20° Mostly Cloudy 6% 3 mph SSE 87%
12 AM 19° Mostly Cloudy 6% 2 mph S 88%
1 AM 19° Mostly Cloudy 6% 2 mph S 89%
2 AM 19° Mostly Cloudy 6% 2 mph S 89%
3 AM 19° Mostly Cloudy 16% 2 mph S 89%
4 AM 19° Mostly Cloudy 16% 2 mph SSW 89%
5 AM 19° Mostly Cloudy 16% 2 mph SSW 87%
6 AM 20° Mostly Cloudy 7% 2 mph SSW 85%
7 AM 20° Mostly Cloudy 7% 2 mph SSW 82%
8 AM 21° Partly Cloudy 7% 2 mph SW 79%
15-Day Forecast
Today
7/29
Partly Cloudy
7%
19°
24°
Thu
7/30
Partly Cloudy
16%
19°
26°
Fri
7/31
Partly Cloudy
7%
19°
27°
Sat
8/1
Partly Cloudy
5%
21°
28°
Sun
8/2
Clear
3%
21°
28°
Mon
8/3
Clear
3%
21°
28°
Tue
8/4
Clear
3%
20°
27°
Wed
8/5
Clear
18%
20°
27°
Thu
8/6
Drizzle
44%
20°
28°
Fri
8/7
Clear
3%
20°
28°
Sat
8/8
Clear
3%
19°
28°
Sun
8/9
Clear
25%
19°
27°
Mon
8/10
Clear
25%
19°
27°
Tue
8/11
Clear
3%
19°
28°
Wed
8/12
Clear
25%
19°
29°
43
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
43 AQI 7.8 µg/m³
O3
Ground-level ozone
41 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 43 Good 41 43
Fri 43 Good 41 43
Sat 46 Good 44 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 Wed Jul 29, 15:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE5 J/kg
MLCAPE13 J/kg
MUCAPE5 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index5.4
Kinematics
0–6 km Shear8 kt
0–1 km Shear6 kt
Eff. Shear—
0–1 km SRH7
0–3 km SRH-25
Eff. SRH—
Storm Motion182° @ 16 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-27.7
Thermo & Levels
PWAT0.67 in
0–3 km LR1.8 °C/km
700–500 LR7.4 °C/km
Total Totals15.3
LCL948 hPa
LFC1004 hPa
EL960 hPa
Freezing Lvl16,772 ft