Brownsville, Texas

Last updated: 11:08 PM CDT  ·  Refresh
28°C
Feels like 33°
Mostly Clear
▲ 32°  /  ▼ 26°
Wind
10 mph SSE
Humidity
78%
Dew Point
24°
Pressure
29.95 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
23%
Sunrise
7:05 AM
Sunset
8:00 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Brownsville is currently mostly clear at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3078 J/kg) — isolated convective development possible. Sunrise: 7:05AM · Sunset: 8:00PM.

Alerts

No active alerts for this location.
61 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
3%
12 AM
28°
3%
1 AM
28°
3%
2 AM
28°
3%
3 AM
27°
3%
4 AM
27°
3%
5 AM
27°
3%
6 AM
26°
3%
7 AM
26°
3%
8 AM
27°
3%
9 AM
29°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
34°
3%
1 PM
35°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
35°
3%
5 PM
34°
3%
6 PM
33°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
31°
3%
10 PM
29°
3%
7-Day Forecast
Tonight
32° 26°
Mostly Clear.
Sat
36° 26°
Mostly Cloudy.
Sun
36° 26°
Clear.
Mon
36° 26°
Clear.
Tue
37° 26°
Overcast.
Wed
36° 26°
Clear.
Thu
36° 26°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Mostly Clear 3% 10 mph SSE 78%
12 AM 28° Partly Cloudy 3% 8 mph SSE 79%
1 AM 28° Partly Cloudy 3% 8 mph SSE 80%
2 AM 28° Mostly Cloudy 3% 8 mph SSE 81%
3 AM 27° Overcast 3% 8 mph SSE 82%
4 AM 27° Overcast 3% 8 mph SSE 84%
5 AM 27° Overcast 3% 8 mph SSE 86%
6 AM 26° Mostly Cloudy 3% 7 mph SSE 87%
7 AM 26° Mostly Cloudy 3% 6 mph SSE 88%
8 AM 27° Mostly Cloudy 3% 7 mph SSE 81%
9 AM 29° Mostly Cloudy 3% 10 mph S 71%
10 AM 31° Mostly Cloudy 3% 10 mph S 62%
11 AM 32° Mostly Cloudy 3% 10 mph S 54%
12 PM 34° Partly Cloudy 3% 10 mph SSE 47%
1 PM 35° Partly Cloudy 3% 10 mph SSE 41%
2 PM 36° Mostly Cloudy 3% 11 mph SSE 42%
3 PM 36° Mostly Cloudy 3% 12 mph SE 43%
4 PM 35° Mostly Cloudy 3% 13 mph SE 46%
5 PM 34° Mostly Cloudy 3% 14 mph SE 50%
6 PM 33° Partly Cloudy 3% 14 mph SE 54%
7 PM 33° Partly Cloudy 3% 13 mph SE 57%
8 PM 32° Partly Cloudy 3% 13 mph SE 63%
9 PM 31° Partly Cloudy 3% 12 mph SE 68%
10 PM 29° Mostly Cloudy 3% 12 mph SSE 73%
15-Day Forecast
Today
8/21
Mostly Clear
3%
26°
32°
Sat
8/22
Mostly Cloudy
3%
26°
36°
Sun
8/23
Clear
3%
26°
36°
Mon
8/24
Clear
3%
26°
36°
Tue
8/25
Overcast
3%
26°
37°
Wed
8/26
Clear
16%
26°
36°
Thu
8/27
Clear
3%
26°
36°
Fri
8/28
Clear
26%
27°
36°
Sat
8/29
Clear
18%
27°
36°
Sun
8/30
Clear
3%
27°
36°
Mon
8/31
Clear
25%
27°
36°
Tue
9/1
Clear
25%
28°
36°
Wed
9/2
Clear
60%
28°
36°
Thu
9/3
Drizzle
60%
28°
36°
Fri
9/4
Drizzle
60%
28°
36°
61
Moderate
U.S. Air Quality Index · Dominant: PM2.5
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
Dominant
61 AQI 14.5 µg/m³
O3
Ground-level ozone
19 AQI 21 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 61 Moderate 19 61
Sun 61 Moderate 22 61
Mon 59 Moderate 20 59
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 Sat Aug 22, 02:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2531 J/kg
MLCAPE1159 J/kg
MUCAPE2918 J/kg
SBCIN-278 J/kg
MLCIN-386 J/kg
Lifted Index-5.5
Kinematics
0–6 km Shear13 kt
0–1 km Shear8 kt
Eff. Shear17 kt
0–1 km SRH-12
0–3 km SRH55
Eff. SRH90
Storm Motion109° @ 21 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index10.3
Thermo & Levels
PWAT1.21 in
0–3 km LR5.2 °C/km
700–500 LR6.4 °C/km
Total Totals31.1
LCL954 hPa
LFC738 hPa
EL173 hPa
Freezing Lvl16,516 ft