Heat Advisory — Houston, TX, Trinity, TX, Madison, TX, Walker, TX, San Jacinto, TX, Polk, TX, Burleson, TX, Brazos, TX, Washington, TX, Grimes, TX, Montgomery, TX, Northern Liberty, TX, Colorado, TX, Austin, TX, Waller, TX, Inland Harris, TX, Wharton, TX, Fort Bend, TX, Inland Jackson, TX, Inland Matagorda, TX, Inland Brazoria, TX, Coastal Jackson, TX 6:00 PM Heat Advisory — Williamson, TX, Hays, TX, Travis, TX, Bastrop, TX, Lee, TX, Bexar, TX, Comal, TX, Guadalupe, TX, Caldwell, TX, Fayette, TX, Atascosa, TX, Wilson, TX, Karnes, TX, Gonzales, TX, De Witt, TX, Lavaca, TX 7:00 PM Heat Advisory — Williamson, TX, Hays, TX, Travis, TX, Bastrop, TX, Lee, TX, Bexar, TX, Comal, TX, Guadalupe, TX, Caldwell, TX, Fayette, TX, Atascosa, TX, Wilson, TX, Karnes, TX, Gonzales, TX, De Witt, TX, Lavaca, TX 7:00 PM

Austin, Texas

Last updated: 3:48 PM CDT  ·  Refresh
36°C
Feels like 39°
Mostly Clear
▲ 37°  /  ▼ 24°
Wind
10 mph SSE
Humidity
40%
Dew Point
21°
Pressure
29,32 inHg
Visibility
10 mi
UV Index
7,9
Cloud Cover
30%
Sunrise
7:13 AM
Sunset
7:38 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Austin is currently mostly clear at 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2443 J/kg) — isolated convective development possible. Sunrise: 7:13AM · Sunset: 7:38PM.

Alerts

Heat Advisory
Houston, TX, Trinity, TX, Madison, TX, Walker, TX, San Jacinto, TX, Polk, TX, Burleson, TX, Brazos, TX, Washington, TX, Grimes, TX, Montgomery, TX, Northern Liberty, TX, Colorado, TX, Austin, TX, Waller, TX, Inland Harris, TX, Wharton, TX, Fort Bend, TX, Inland Jackson, TX, Inland Matagorda, TX, Inland Brazoria, TX, Coastal Jackson, TX
Expires 6:00 PM
Heat Advisory
Williamson, TX, Hays, TX, Travis, TX, Bastrop, TX, Lee, TX, Bexar, TX, Comal, TX, Guadalupe, TX, Caldwell, TX, Fayette, TX, Atascosa, TX, Wilson, TX, Karnes, TX, Gonzales, TX, De Witt, TX, Lavaca, TX
Expires 7:00 PM
Heat Advisory
Williamson, TX, Hays, TX, Travis, TX, Bastrop, TX, Lee, TX, Bexar, TX, Comal, TX, Guadalupe, TX, Caldwell, TX, Fayette, TX, Atascosa, TX, Wilson, TX, Karnes, TX, Gonzales, TX, De Witt, TX, Lavaca, TX
Expires 7:00 PM
33 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
4%
4 PM
36°
5%
5 PM
35°
5%
6 PM
32°
24%
7 PM
31°
23%
8 PM
29°
5%
9 PM
28°
5%
10 PM
28°
5%
11 PM
28°
3%
12 AM
27°
3%
1 AM
27°
3%
2 AM
27°
3%
3 AM
27°
3%
4 AM
26°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
24°
9%
8 AM
26°
9%
9 AM
27°
9%
10 AM
29°
20%
11 AM
30°
21%
12 PM
31°
21%
1 PM
34°
21%
2 PM
34°
22%
7-Day Forecast
Today
37° 24°
Partly Cloudy with a 24% chance of rain.
Mon
39° 24°
Mostly Clear with a 25% chance of rain.
Tue
38° 24°
Clear.
Wed
36° 26°
Mostly Cloudy with a 20% chance of rain.
Thu
36° 23°
Clear with a 25% chance of rain.
Fri
37° 22°
Clear.
Sat
37° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 36° Mostly Clear 4% 10 mph SSE 40%
4 PM 36° Partly Cloudy 5% 11 mph SSE 42%
5 PM 35° Partly Cloudy 5% 12 mph SSE 48%
6 PM 32° Mostly Cloudy 24% 14 mph S 60%
7 PM 31° Mostly Cloudy 23% 11 mph SSE 64%
8 PM 29° Mostly Cloudy 5% 10 mph SSE 66%
9 PM 28° Mostly Cloudy 5% 10 mph S 68%
10 PM 28° Mostly Cloudy 5% 9 mph SSE 71%
11 PM 28° Mostly Cloudy 3% 9 mph SSE 74%
12 AM 27° Partly Cloudy 3% 9 mph S 78%
1 AM 27° Partly Cloudy 3% 8 mph S 79%
2 AM 27° Partly Cloudy 3% 7 mph S 80%
3 AM 27° Partly Cloudy 3% 6 mph S 80%
4 AM 26° Partly Cloudy 3% 5 mph S 81%
5 AM 24° Partly Cloudy 3% 4 mph S 82%
6 AM 24° Partly Cloudy 3% 4 mph S 84%
7 AM 24° Mostly Clear 9% 5 mph S 81%
8 AM 26° Mostly Clear 9% 6 mph S 74%
9 AM 27° Mostly Clear 9% 7 mph S 69%
10 AM 29° Mostly Clear 20% 7 mph S 65%
11 AM 30° Mostly Clear 21% 7 mph S 61%
12 PM 31° Mostly Clear 21% 6 mph S 57%
1 PM 34° Mostly Clear 21% 7 mph S 54%
2 PM 34° Mostly Clear 22% 8 mph S 51%
15-Day Forecast
Today
9/13
Partly Cloudy
24%
24°
37°
Mon
9/14
Mostly Clear
25%
24°
39°
Tue
9/15
Clear
3%
24°
38°
Wed
9/16
Mostly Cloudy
20%
26°
36°
Thu
9/17
Clear
25%
23°
36°
Fri
9/18
Clear
3%
22°
37°
Sat
9/19
Clear
19%
21°
37°
Sun
9/20
Clear
60%
22°
36°
Mon
9/21
Drizzle
60%
23°
36°
Tue
9/22
Drizzle
60%
21°
34°
Wed
9/23
Drizzle
60%
21°
33°
Thu
9/24
Drizzle
60%
22°
33°
Fri
9/25
Drizzle
60%
21°
33°
Sat
9/26
Drizzle
60%
21°
33°
Sun
9/27
Drizzle
60%
21°
33°
33
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
33 AQI 5.9 µg/m³
O3
Ground-level ozone
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 33 Good 31 33
Tue 31 Good 31 25
Wed 51 Moderate 34 51
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 dim. sept. 13, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2776 J/kg
MLCAPE1724 J/kg
MUCAPE2776 J/kg
SBCIN0 J/kg
MLCIN-15 J/kg
Lifted Index-4.9
Kinematics
0–6 km Shear5 kt
0–1 km Shear4 kt
Eff. Shear12 kt
0–1 km SRH-13
0–3 km SRH-16
Eff. SRH-16
Storm Motion156° @ 22 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.7
Thermo & Levels
PWAT1.82 in
0–3 km LR8.6 °C/km
700–500 LR5.5 °C/km
Total Totals46.8
LCL800 hPa
LFC993 hPa
EL149 hPa
Freezing Lvl15,883 ft