Portland, Texas

Last updated: 5:15 PM CDT  ·  Refresh
31°C
Feels like 39°
Mostly Clear
▲ 32°  /  ▼ 28°
Wind
17 mph SE
Humidity
72%
Dew Point
25°
Pressure
29.92 inHg
Visibility
10 mi
UV Index
6.1
Cloud Cover
29%
Sunrise
7:13 AM
Sunset
7:34 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Portland is currently mostly clear at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3587 J/kg) — isolated convective development possible. Sunrise: 7:13AM · Sunset: 7:34PM.

Alerts

No active alerts for this location.
38 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
3%
6 PM
31°
23%
7 PM
30°
23%
8 PM
29°
23%
9 PM
29°
23%
10 PM
29°
23%
11 PM
29°
23%
12 AM
29°
16%
1 AM
29°
3%
2 AM
28°
3%
3 AM
28°
3%
4 AM
28°
3%
5 AM
28°
3%
6 AM
28°
3%
7 AM
28°
3%
8 AM
29°
3%
9 AM
29°
3%
10 AM
32°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
33°
3%
2 PM
33°
3%
3 PM
33°
3%
4 PM
33°
3%
7-Day Forecast
Today
32° 28°
Mostly Clear with a 23% chance of rain.
Tue
35° 28°
Partly Cloudy.
Wed
36° 28°
Partly Cloudy with a 49% chance of rain.
Thu
35° 28°
Partly Cloudy with a 81% chance of rain.
Fri
34° 27°
Clear with a 63% chance of rain.
Sat
34° 26°
Drizzle, 50% chance.
Sun
34° 26°
Clear with a 60% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Clear 3% 17 mph SE 72%
6 PM 31° Partly Cloudy 23% 18 mph SE 76%
7 PM 30° Partly Cloudy 23% 18 mph SE 78%
8 PM 29° Partly Cloudy 23% 17 mph SE 79%
9 PM 29° Mostly Clear 23% 16 mph SSE 79%
10 PM 29° Mostly Clear 23% 16 mph SSE 80%
11 PM 29° Mostly Clear 23% 16 mph SSE 81%
12 AM 29° Mostly Clear 16% 16 mph SSE 81%
1 AM 29° Mostly Clear 3% 15 mph SSE 82%
2 AM 28° Mostly Clear 3% 14 mph SSE 83%
3 AM 28° Mostly Clear 3% 13 mph S 84%
4 AM 28° Partly Cloudy 3% 12 mph S 85%
5 AM 28° Partly Cloudy 3% 11 mph S 86%
6 AM 28° Partly Cloudy 3% 10 mph S 86%
7 AM 28° Mostly Cloudy 3% 10 mph S 85%
8 AM 29° Mostly Cloudy 3% 10 mph SSE 81%
9 AM 29° Partly Cloudy 3% 11 mph SSE 76%
10 AM 32° Partly Cloudy 3% 12 mph SSE 72%
11 AM 32° Partly Cloudy 3% 12 mph SSE 69%
12 PM 33° Partly Cloudy 3% 13 mph SSE 67%
1 PM 33° Partly Cloudy 3% 14 mph SSE 66%
2 PM 33° Partly Cloudy 3% 14 mph SSE 67%
3 PM 33° Partly Cloudy 3% 14 mph SSE 68%
4 PM 33° Partly Cloudy 3% 14 mph SSE 68%
15-Day Forecast
Today
9/14
Mostly Clear
23%
28°
32°
Tue
9/15
Partly Cloudy
7%
28°
35°
Wed
9/16
Partly Cloudy
49%
28°
36°
Thu
9/17
Partly Cloudy
81%
28°
35°
Fri
9/18
Clear
63%
27°
34°
Sat
9/19
Drizzle
50%
26°
34°
Sun
9/20
Clear
60%
26°
34°
Mon
9/21
Drizzle
60%
27°
34°
Tue
9/22
Drizzle
60%
27°
34°
Wed
9/23
Drizzle
60%
27°
34°
Thu
9/24
Thunderstorm
60%
27°
35°
Fri
9/25
Drizzle
60%
26°
34°
Sat
9/26
Drizzle
60%
26°
34°
Sun
9/27
Drizzle
60%
26°
34°
Mon
9/28
Drizzle
60%
26°
34°
38
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
38 AQI 6.9 µg/m³
O3
Ground-level ozone
24 AQI 27 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 38 Good 24 38
Wed 71 Moderate 24 71
Thu 53 Moderate 33 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 Mon Sep 14, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4095 J/kg
MLCAPE2794 J/kg
MUCAPE4095 J/kg
SBCIN-31 J/kg
MLCIN-72 J/kg
Lifted Index-9.1
Kinematics
0–6 km Shear13 kt
0–1 km Shear3 kt
Eff. Shear9 kt
0–1 km SRH4
0–3 km SRH40
Eff. SRH40
Storm Motion78° @ 10 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.4
Thermo & Levels
PWAT1.83 in
0–3 km LR6.5 °C/km
700–500 LR6.5 °C/km
Total Totals47.2
LCL931 hPa
LFC829 hPa
EL137 hPa
Freezing Lvl16,047 ft