Coastal Flood Advisory — Coastal Aransas, TX, Coastal Kleberg, TX, Coastal Nueces, TX, Coastal San Patricio, TX, Aransas Islands, TX, Coastal Refugio, TX, Coastal Calhoun, TX, Kleberg Islands, TX, Nueces Islands, TX, Calhoun Islands, TX 1:00 AM

Portland, Texas

Last updated: 12:09 AM CDT  ·  Refresh
28°C
Feels like 34°
Mostly Clear
▲ 32°  /  ▼ 27°
Wind
14 mph SSE
Humidity
88%
Dew Point
26°
Pressure
29.91 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
18%
Sunrise
7:27 AM
Sunset
7:02 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Portland is currently mostly clear at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3131 J/kg) — isolated convective development possible. Sunrise: 7:27AM · Sunset: 7:02PM.

Alerts

Coastal Flood Advisory
Coastal Aransas, TX, Coastal Kleberg, TX, Coastal Nueces, TX, Coastal San Patricio, TX, Aransas Islands, TX, Coastal Refugio, TX, Coastal Calhoun, TX, Kleberg Islands, TX, Nueces Islands, TX, Calhoun Islands, TX
Expires 1:00 AM
32 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
4%
1 AM
28°
8%
2 AM
27°
18%
3 AM
27°
20%
4 AM
27°
20%
5 AM
27°
20%
6 AM
27°
17%
7 AM
27°
17%
8 AM
27°
20%
9 AM
28°
11%
10 AM
30°
11%
11 AM
31°
12%
12 PM
31°
15%
1 PM
31°
22%
2 PM
32°
13%
3 PM
32°
13%
4 PM
32°
13%
5 PM
31°
13%
6 PM
29°
9%
7 PM
29°
9%
8 PM
29°
10%
9 PM
29°
7%
10 PM
28°
7%
11 PM
28°
7%
7-Day Forecast
Today
32° 27°
Partly Cloudy with a 20% chance of rain.
Wed
32° 26°
Partly Cloudy with a 38% chance of rain.
Thu
31° 25°
Partly Cloudy with a 46% chance of rain.
Fri
31° 21°
Mostly Cloudy with a 45% chance of rain.
Sat
28° 18°
Rain, 52% chance.
Sun
28° 18°
Drizzle, 47% chance.
Mon
30° 22°
Rain, 57% chance.
TimeTempConditionsPrecipWindHumidity
Now 28° Mostly Clear 4% 14 mph SSE 88%
1 AM 28° Mostly Clear 8% 14 mph SSE 88%
2 AM 27° Mostly Clear 18% 14 mph SSE 88%
3 AM 27° Mostly Cloudy 20% 15 mph SSE 87%
4 AM 27° Mostly Cloudy 20% 14 mph SSE 87%
5 AM 27° Partly Cloudy 20% 13 mph SSE 87%
6 AM 27° Partly Cloudy 17% 13 mph SSE 88%
7 AM 27° Mostly Cloudy 17% 13 mph SSE 88%
8 AM 27° Mostly Cloudy 20% 13 mph SSE 85%
9 AM 28° Mostly Cloudy 11% 14 mph SSE 83%
10 AM 30° Mostly Cloudy 11% 14 mph SSE 81%
11 AM 31° Partly Cloudy 12% 14 mph SSE 79%
12 PM 31° Partly Cloudy 15% 15 mph SSE 77%
1 PM 31° Partly Cloudy 22% 16 mph SSE 76%
2 PM 32° Partly Cloudy 13% 16 mph SSE 76%
3 PM 32° Partly Cloudy 13% 16 mph SSE 76%
4 PM 32° Partly Cloudy 13% 16 mph SE 76%
5 PM 31° Partly Cloudy 13% 16 mph SE 79%
6 PM 29° Partly Cloudy 9% 16 mph SE 82%
7 PM 29° Partly Cloudy 9% 16 mph SE 85%
8 PM 29° Partly Cloudy 10% 16 mph SE 85%
9 PM 29° Partly Cloudy 7% 16 mph SE 86%
10 PM 28° Partly Cloudy 7% 16 mph SE 86%
11 PM 28° Partly Cloudy 7% 16 mph SE 86%
15-Day Forecast
Today
10/13
Partly Cloudy
20%
27°
32°
Wed
10/14
Partly Cloudy
38%
26°
32°
Thu
10/15
Partly Cloudy
46%
25°
31°
Fri
10/16
Mostly Cloudy
45%
21°
31°
Sat
10/17
Rain
52%
18°
28°
Sun
10/18
Drizzle
47%
18°
28°
Mon
10/19
Rain
57%
22°
30°
Tue
10/20
Rain
83%
24°
31°
Wed
10/21
Rain
90%
24°
31°
Thu
10/22
Rain
72%
24°
31°
Fri
10/23
Drizzle
90%
23°
29°
Sat
10/24
Drizzle
60%
23°
29°
Sun
10/25
Drizzle
60%
22°
28°
Mon
10/26
Drizzle
60%
21°
28°
Tue
10/27
Drizzle
60%
20°
27°
32
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
31 AQI 5.6 µg/m³
O3
Ground-level ozone
Dominant
32 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 32 Good 32 31
Wed 35 Good 23 35
Thu 50 Good 37 50
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 Oct 13, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3370 J/kg
MLCAPE2336 J/kg
MUCAPE3370 J/kg
SBCIN-12 J/kg
MLCIN-14 J/kg
Lifted Index-6.9
Kinematics
0–6 km Shear13 kt
0–1 km Shear9 kt
Eff. Shear14 kt
0–1 km SRH-14
0–3 km SRH42
Eff. SRH42
Storm Motion104° @ 15 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.7
Thermo & Levels
PWAT2.32 in
0–3 km LR4.7 °C/km
700–500 LR6.4 °C/km
Total Totals44.6
LCL985 hPa
LFC953 hPa
EL123 hPa
Freezing Lvl17,356 ft