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: 6:23 PM CDT  ·  Refresh
31°C
Feels like 30°
Mostly Clear
▲ 32°  /  ▼ 14°
Wind
8 mph SSW
Humidity
31%
Dew Point
12°
Pressure
28.44 inHg
Visibility
10 mi
UV Index
7.7
Cloud Cover
10%
Sunrise
5:42 AM
Sunset
8:10 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Santa Clarita is currently mostly clear at 31°C. Dry conditions are expected through the next 24 hours. Sunrise: 5:42AM · Sunset: 8:10PM.

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
30°
5%
7 PM
28°
3%
8 PM
26°
3%
9 PM
23°
3%
10 PM
22°
3%
11 PM
21°
3%
12 AM
20°
3%
1 AM
19°
3%
2 AM
19°
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
20°
3%
10 AM
21°
3%
11 AM
26°
3%
12 PM
27°
3%
1 PM
30°
3%
2 PM
30°
3%
3 PM
30°
3%
7-Day Forecast
Today
32° 14°
Mostly Clear.
Wed
31° 16°
Clear.
Thu
28° 14°
Clear.
Fri
25° 12°
Clear.
Sat
21° 11°
Rain, 20% chance.
Sun
22° 10°
Clear.
Mon
24° 11°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Clear 5% 8 mph SSW 31%
5 PM 32° Mostly Clear 5% 8 mph SW 31%
6 PM 30° Mostly Clear 5% 7 mph SW 37%
7 PM 28° Mostly Clear 3% 5 mph SW 42%
8 PM 26° Mostly Clear 3% 4 mph WSW 48%
9 PM 23° Clear 3% 4 mph WSW 53%
10 PM 22° Clear 3% 3 mph WSW 58%
11 PM 21° Clear 3% 2 mph WSW 60%
12 AM 20° Clear 3% 2 mph SW 59%
1 AM 19° Clear 3% 2 mph SW 58%
2 AM 19° Clear 3% 1 mph SSW 58%
3 AM 18° Clear 3% 1 mph SSW 58%
4 AM 18° Clear 3% 1 mph SSW 58%
5 AM 16° Clear 3% 2 mph S 57%
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 SSW 43%
9 AM 20° Clear 3% 4 mph SSW 37%
10 AM 21° Clear 3% 6 mph SSW 32%
11 AM 26° Clear 3% 7 mph SSW 27%
12 PM 27° Clear 3% 8 mph SSW 25%
1 PM 30° Clear 3% 9 mph SSW 24%
2 PM 30° Clear 3% 10 mph SSW 23%
3 PM 30° Clear 3% 9 mph SW 24%
15-Day Forecast
Today
6/23
Mostly Clear
5%
14°
32°
Wed
6/24
Clear
3%
16°
31°
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°
22°
Mon
6/29
Clear
6%
11°
24°
Tue
6/30
Clear
11%
12°
24°
Wed
7/1
Clear
11%
12°
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
53 AQI 10.1 µg/m³
O3
Ground-level ozone
Dominant
87 AQI 67 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 87 Moderate 87 53
Thu 97 Moderate 97 52
Fri 54 Moderate 54 49
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
SBCAPE39 J/kg
MLCAPE16 J/kg
MUCAPE18 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index1.3
Kinematics
0–6 km Shear22 kt
0–1 km Shear4 kt
Eff. Shear8 kt
0–1 km SRH5
0–3 km SRH-23
Eff. SRH-11
Storm Motion153° @ 24 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index14.5
Thermo & Levels
PWAT1.04 in
0–3 km LR6.6 °C/km
700–500 LR7.8 °C/km
Total Totals35.9
LCL722 hPa
LFC963 hPa
EL883 hPa
Freezing Lvl14,829 ft