Excessive Heat Warning — Cuyama Valley, CA, Santa Barbara County Interior Mountains, CA, Interstate 5 Corridor, CA, Western San Gabriel Mountains and Highway 14 Corridor, CA, Eastern San Gabriel Mountains, CA, Santa Clarita Valley, CA, Los Angeles County Inland Coast including Downtown Los Angeles, CA, Western San Fernando Valley, CA, Eastern San Fernando Valley, CA, Santa Susana Mountains, CA, Los Angeles County San Gabriel Valley, CA, Santa Barbara County Southwestern Coast, CA, Santa Barbara County Southeastern Coast, CA, Santa Ynez Mountains Western Range, CA, Santa Ynez Mountains Eastern Range, CA, Lake Casitas, CA, Ojai Valley, CA, Central Ventura County Valleys, CA, Western Santa Monica Mountains Recreational Area, CA, Eastern Santa Monica Mountains Recreational Area, CA, Calabasas and Agoura Hills, CA, Southeastern Ventura County Valleys, CA, Western Antelope Valley Foothills, CA, Eastern Antelope Valley Foothills, CA, Antelope Valley, CA, Southern Salinas Valley, CA, San Luis Obispo County Interior Valleys, CA, San Luis Obispo County Mountains, CA, Southern Ventura County Mountains, CA, Northern Ventura County Mountains, CA, Catalina and Santa Barbara Islands, CA, San Luis Obispo County Inland Central Coast, CA, Santa Lucia Mountains, CA, Santa Barbara County Inland Central Coast, CA, Santa Ynez Valley, CA, Ventura County Beaches, CA, Ventura County Inland Coast, CA, Malibu Coast, CA, Los Angeles County Beaches, CA, Palos Verdes Hills, CA, San Miguel and Santa Rosa Islands, CA, Santa Cruz and Anacapa Islands, CA 10:00 PM

Unincorporated Chatsworth, California

Last updated: 4:42 PM CDT  ·  Refresh
33°C
Feels like 32°
Clear
▲ 34°  /  ▼ 19°
Wind
10 mph SW
Humidity
32%
Dew Point
15°
Pressure
28.07 inHg
Visibility
10 mi
UV Index
9.2
Cloud Cover
0%
Sunrise
5:52 AM
Sunset
8:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Unincorporated Chatsworth is currently clear at 33°C. Dry conditions are expected through the next 24 hours. Sunrise: 5:52AM · Sunset: 8:07PM.

Alerts

Excessive Heat Warning
Cuyama Valley, CA, Santa Barbara County Interior Mountains, CA, Interstate 5 Corridor, CA, Western San Gabriel Mountains and Highway 14 Corridor, CA, Eastern San Gabriel Mountains, CA, Santa Clarita Valley, CA, Los Angeles County Inland Coast including Downtown Los Angeles, CA, Western San Fernando Valley, CA, Eastern San Fernando Valley, CA, Santa Susana Mountains, CA, Los Angeles County San Gabriel Valley, CA, Santa Barbara County Southwestern Coast, CA, Santa Barbara County Southeastern Coast, CA, Santa Ynez Mountains Western Range, CA, Santa Ynez Mountains Eastern Range, CA, Lake Casitas, CA, Ojai Valley, CA, Central Ventura County Valleys, CA, Western Santa Monica Mountains Recreational Area, CA, Eastern Santa Monica Mountains Recreational Area, CA, Calabasas and Agoura Hills, CA, Southeastern Ventura County Valleys, CA, Western Antelope Valley Foothills, CA, Eastern Antelope Valley Foothills, CA, Antelope Valley, CA, Southern Salinas Valley, CA, San Luis Obispo County Interior Valleys, CA, San Luis Obispo County Mountains, CA, Southern Ventura County Mountains, CA, Northern Ventura County Mountains, CA, Catalina and Santa Barbara Islands, CA, San Luis Obispo County Inland Central Coast, CA, Santa Lucia Mountains, CA, Santa Barbara County Inland Central Coast, CA, Santa Ynez Valley, CA, Ventura County Beaches, CA, Ventura County Inland Coast, CA, Malibu Coast, CA, Los Angeles County Beaches, CA, Palos Verdes Hills, CA, San Miguel and Santa Rosa Islands, CA, Santa Cruz and Anacapa Islands, CA
Expires 10:00 PM
51 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
3%
3 PM
32°
3%
4 PM
32°
3%
5 PM
34°
3%
6 PM
33°
3%
7 PM
31°
3%
8 PM
30°
3%
9 PM
27°
3%
10 PM
27°
3%
11 PM
26°
3%
12 AM
26°
3%
1 AM
24°
3%
2 AM
24°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
22°
3%
6 AM
22°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
29°
3%
10 AM
30°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
32°
3%
7-Day Forecast
Today
34° 19°
Clear.
Wed
36° 22°
Mostly Clear.
Thu
32° 21°
Clear.
Fri
28° 16°
Partly Cloudy.
Sat
28° 17°
Clear.
Sun
29° 17°
Clear.
Mon
30° 17°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 3% 10 mph SW 32%
3 PM 32° Clear 3% 10 mph WSW 30%
4 PM 32° Clear 3% 9 mph WSW 29%
5 PM 34° Clear 3% 7 mph WSW 31%
6 PM 33° Clear 3% 4 mph W 34%
7 PM 31° Clear 3% 5 mph NW 38%
8 PM 30° Clear 3% 4 mph NNW 41%
9 PM 27° Clear 3% 2 mph N 42%
10 PM 27° Clear 3% 2 mph ENE 44%
11 PM 26° Clear 3% 3 mph SE 44%
12 AM 26° Clear 3% 4 mph SE 45%
1 AM 24° Clear 3% 4 mph ENE 46%
2 AM 24° Clear 3% 4 mph NNE 46%
3 AM 24° Mostly Clear 3% 4 mph N 45%
4 AM 24° Mostly Clear 3% 6 mph NNW 43%
5 AM 22° Mostly Clear 3% 7 mph NNW 41%
6 AM 22° Clear 3% 7 mph NNW 39%
7 AM 24° Mostly Clear 3% 6 mph NNW 35%
8 AM 26° Mostly Clear 3% 5 mph NNW 30%
9 AM 29° Mostly Clear 3% 4 mph NW 28%
10 AM 30° Mostly Clear 3% 6 mph WNW 25%
11 AM 31° Mostly Clear 3% 6 mph W 24%
12 PM 32° Mostly Clear 3% 8 mph WSW 24%
1 PM 32° Partly Cloudy 3% 9 mph WSW 23%
15-Day Forecast
Today
7/14
Clear
3%
19°
34°
Wed
7/15
Mostly Clear
3%
22°
36°
Thu
7/16
Clear
7%
21°
32°
Fri
7/17
Partly Cloudy
7%
16°
28°
Sat
7/18
Clear
3%
17°
28°
Sun
7/19
Clear
8%
17°
29°
Mon
7/20
Clear
8%
17°
30°
Tue
7/21
Clear
8%
18°
31°
Wed
7/22
Clear
19%
19°
33°
Thu
7/23
Clear
25%
22°
33°
Fri
7/24
Clear
25%
22°
32°
Sat
7/25
Clear
25%
22°
33°
Sun
7/26
Clear
25%
22°
32°
Mon
7/27
Clear
3%
21°
32°
Tue
7/28
Clear
25%
20°
32°
51
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
51 AQI 9.1 µg/m³
O3
Ground-level ozone
Dominant
51 AQI 56 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 51 Moderate 51 51
Thu 64 Moderate 64 37
Fri 100 Moderate 100 53
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 14, 20:00'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
SBCAPE277 J/kg
MLCAPE9 J/kg
MUCAPE277 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-1.1
Kinematics
0–6 km Shear7 kt
0–1 km Shear5 kt
Eff. Shear6 kt
0–1 km SRH23
0–3 km SRH36
Eff. SRH36
Storm Motion118° @ 13 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.5
Thermo & Levels
PWAT1.22 in
0–3 km LR8.2 °C/km
700–500 LR6.3 °C/km
Total Totals46.0
LCL729 hPa
LFC951 hPa
EL272 hPa
Freezing Lvl13,967 ft