Excessive Heat Watch 11:00 PM Heat Advisory — Santa Clarita Valley, CA, Western San Fernando Valley, CA, Eastern San Fernando Valley, CA, Western San Gabriel Mountains and Highway 14 Corridor, CA, Eastern San Gabriel Mountains, CA, Los Angeles County San Gabriel Valley, CA, Los Angeles County Inland Coast including Downtown Los Angeles, CA 11:00 PM

Santa Clarita, California

Last updated: 6:19 PM CDT  ·  Refresh
31°C
Feels like 29°
Mostly Clear
▲ 32°  /  ▼ 14°
Wind
10 mph SSW
Humidity
30%
Dew Point
11°
Pressure
28.27 inHg
Visibility
10 mi
UV Index
7.7
Cloud Cover
22%
Sunrise
5:42 AM
Sunset
8:09 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Santa Clarita is currently mostly clear at 30°C. Dry conditions are expected through the next 24 hours. Sunrise: 5:42AM · Sunset: 8:09PM.

Alerts

Excessive Heat Watch
Expires 11:00 PM
Heat Advisory
Santa Clarita Valley, CA, Western San Fernando Valley, CA, Eastern San Fernando Valley, CA, Western San Gabriel Mountains and Highway 14 Corridor, CA, Eastern San Gabriel Mountains, CA, Los Angeles County San Gabriel Valley, CA, Los Angeles County Inland Coast including Downtown Los Angeles, CA
Expires 11:00 PM
87 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
5%
5 PM
32°
5%
6 PM
29°
5%
7 PM
27°
3%
8 PM
25°
3%
9 PM
23°
3%
10 PM
22°
3%
11 PM
21°
3%
12 AM
20°
3%
1 AM
19°
3%
2 AM
18°
3%
3 AM
18°
3%
4 AM
18°
3%
5 AM
16°
3%
6 AM
17°
3%
7 AM
19°
3%
8 AM
21°
3%
9 AM
19°
3%
10 AM
21°
3%
11 AM
26°
3%
12 PM
27°
3%
1 PM
29°
3%
2 PM
30°
3%
3 PM
30°
3%
7-Day Forecast
Today
32° 14°
Mostly Clear.
Wed
32° 16°
Clear.
Thu
28° 14°
Clear.
Fri
25° 12°
Clear.
Sat
21° 11°
Rain, 20% chance.
Sun
23° 10°
Clear.
Mon
25° 11°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Clear 5% 10 mph SSW 30%
5 PM 32° Mostly Clear 5% 10 mph SSW 30%
6 PM 29° Mostly Clear 5% 8 mph SSW 35%
7 PM 27° Mostly Clear 3% 7 mph SSW 41%
8 PM 25° Mostly Clear 3% 5 mph SW 47%
9 PM 23° Clear 3% 3 mph WSW 52%
10 PM 22° Clear 3% 3 mph WSW 57%
11 PM 21° Clear 3% 2 mph WSW 60%
12 AM 20° Clear 3% 2 mph SW 59%
1 AM 19° Clear 3% 1 mph SSW 58%
2 AM 18° Clear 3% 1 mph S 58%
3 AM 18° Clear 3% 1 mph SSE 59%
4 AM 18° Clear 3% 1 mph SSE 59%
5 AM 16° Clear 3% 1 mph S 58%
6 AM 17° Clear 3% 2 mph S 53%
7 AM 19° Clear 3% 2 mph SSW 48%
8 AM 21° Clear 3% 3 mph SW 43%
9 AM 19° Clear 3% 5 mph SSW 38%
10 AM 21° Clear 3% 7 mph SSW 33%
11 AM 26° Clear 3% 8 mph SSW 28%
12 PM 27° Clear 3% 9 mph SSW 26%
1 PM 29° Clear 3% 10 mph SSW 24%
2 PM 30° Clear 3% 10 mph SSW 23%
3 PM 30° Clear 3% 10 mph SSW 24%
15-Day Forecast
Today
6/23
Mostly Clear
5%
14°
32°
Wed
6/24
Clear
3%
16°
32°
Thu
6/25
Clear
3%
14°
28°
Fri
6/26
Clear
6%
12°
25°
Sat
6/27
Rain
20%
11°
21°
Sun
6/28
Clear
6%
10°
23°
Mon
6/29
Clear
6%
11°
25°
Tue
6/30
Clear
11%
12°
24°
Wed
7/1
Clear
11%
11°
25°
Thu
7/2
Clear
8%
11°
26°
Fri
7/3
Clear
8%
12°
26°
Sat
7/4
Clear
14%
16°
29°
Sun
7/5
Clear
14%
18°
33°
Mon
7/6
Clear
14%
19°
32°
Tue
7/7
Clear
14%
19°
32°
87
Moderate
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
52 AQI 9.7 µg/m³
O3
Ground-level ozone
Dominant
87 AQI 66 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 87 Moderate 87 52
Thu 93 Moderate 93 49
Fri 58 Moderate 58 47
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 Jun 23, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE30 J/kg
MLCAPE14 J/kg
MUCAPE18 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index2.0
Kinematics
0–6 km Shear20 kt
0–1 km Shear4 kt
Eff. Shear8 kt
0–1 km SRH14
0–3 km SRH-16
Eff. SRH-12
Storm Motion154° @ 25 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index14.5
Thermo & Levels
PWAT1.02 in
0–3 km LR6.4 °C/km
700–500 LR7.8 °C/km
Total Totals35.9
LCL719 hPa
LFC957 hPa
EL887 hPa
Freezing Lvl14,649 ft