Harris County, Texas, United States

Last updated: 11:31 PM CDT  ·  Refresh
28°C
Feels like 33°
Mostly Clear
▲ 33°  /  ▼ 26°
Wind
8 mph SSE
Humidity
78%
Dew Point
25°
Pressure
29.97 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
22%
Sunrise
6:43 AM
Sunset
8:10 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Harris County is currently mostly clear at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3122 J/kg) — isolated convective development possible. Sunrise: 6:43AM · Sunset: 8:10PM.

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°
9%
3 AM
27°
9%
4 AM
27°
12%
5 AM
26°
29%
6 AM
26°
29%
7 AM
26°
30%
8 AM
27°
21%
9 AM
28°
22%
10 AM
29°
27%
11 AM
31°
27%
12 PM
32°
31%
1 PM
34°
35%
2 PM
34°
39%
3 PM
34°
39%
4 PM
34°
31%
5 PM
35°
18%
6 PM
34°
18%
7 PM
33°
3%
8 PM
32°
3%
9 PM
31°
3%
10 PM
31°
3%
7-Day Forecast
Tonight
33° 26°
Mostly Clear.
Fri
35° 26°
Partly Cloudy with a 39% chance of rain.
Sat
37° 26°
Partly Cloudy.
Sun
36° 26°
Partly Cloudy with a 32% chance of rain.
Mon
37° 26°
Clear with a 33% chance of rain.
Tue
38° 26°
Clear.
Wed
39° 26°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Mostly Clear 3% 8 mph SSE 78%
12 AM 28° Mostly Clear 3% 6 mph S 80%
1 AM 28° Mostly Clear 3% 6 mph S 82%
2 AM 28° Partly Cloudy 9% 6 mph S 83%
3 AM 27° Partly Cloudy 9% 5 mph S 84%
4 AM 27° Mostly Cloudy 12% 5 mph S 85%
5 AM 26° Mostly Cloudy 29% 4 mph S 86%
6 AM 26° Partly Cloudy 29% 3 mph S 88%
7 AM 26° Partly Cloudy 30% 3 mph S 85%
8 AM 27° Partly Cloudy 21% 4 mph S 79%
9 AM 28° Partly Cloudy 22% 4 mph S 70%
10 AM 29° Partly Cloudy 27% 4 mph S 63%
11 AM 31° Partly Cloudy 27% 4 mph SSE 56%
12 PM 32° Partly Cloudy 31% 4 mph SSE 49%
1 PM 34° Partly Cloudy 35% 5 mph SE 46%
2 PM 34° Partly Cloudy 39% 6 mph SE 47%
3 PM 34° Partly Cloudy 39% 8 mph SE 47%
4 PM 34° Partly Cloudy 31% 9 mph SE 47%
5 PM 35° Partly Cloudy 18% 10 mph SE 47%
6 PM 34° Mostly Clear 18% 10 mph SE 47%
7 PM 33° Mostly Clear 3% 10 mph SE 50%
8 PM 32° Mostly Clear 3% 10 mph SE 55%
9 PM 31° Mostly Clear 3% 9 mph SSE 61%
10 PM 31° Mostly Clear 3% 8 mph SSE 64%
15-Day Forecast
Today
8/6
Mostly Clear
3%
26°
33°
Fri
8/7
Partly Cloudy
39%
26°
35°
Sat
8/8
Partly Cloudy
10%
26°
37°
Sun
8/9
Partly Cloudy
32%
26°
36°
Mon
8/10
Clear
33%
26°
37°
Tue
8/11
Clear
3%
26°
38°
Wed
8/12
Clear
3%
26°
39°
Thu
8/13
Clear
3%
26°
39°
Fri
8/14
Rain
28%
26°
39°
Sat
8/15
Clear
19%
26°
39°
Sun
8/16
Clear
27%
26°
38°
Mon
8/17
Clear
60%
26°
38°
Tue
8/18
Drizzle
60%
26°
38°
Wed
8/19
Drizzle
60%
26°
38°
Thu
8/20
Clear
60%
26°
38°
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 14.6 µg/m³
O3
Ground-level ozone
25 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 61 Moderate 25 61
Sat 58 Moderate 35 58
Sun 52 Moderate 28 52
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 Fri Aug 7, 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
SBCAPE2823 J/kg
MLCAPE2899 J/kg
MUCAPE3514 J/kg
SBCIN-15 J/kg
MLCIN0 J/kg
Lifted Index-5.2
Kinematics
0–6 km Shear17 kt
0–1 km Shear11 kt
Eff. Shear20 kt
0–1 km SRH14
0–3 km SRH-44
Eff. SRH-44
Storm Motion289° @ 9 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index23.2
Thermo & Levels
PWAT1.86 in
0–3 km LR5.8 °C/km
700–500 LR5.4 °C/km
Total Totals40.7
LCL962 hPa
LFC846 hPa
EL166 hPa
Freezing Lvl16,808 ft