Galveston County, Texas, United States

Last updated: 11:24 AM CDT  ·  Refresh
21°C
Feels like 22°
Mostly Cloudy
▲ 22°  /  ▼ 17°
Wind
6 mph NE
Humidity
71%
Dew Point
16°
Pressure
30.17 inHg
Visibility
10 mi
UV Index
4.2
Cloud Cover
83%
Sunrise
6:39 AM
Sunset
5:27 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Galveston County is currently mostly cloudy at 21°C. Precipitation is likely — peak probability 52% around 3 AM. Sunrise: 6:39AM · Sunset: 5:27PM.

Alerts

No active alerts for this location.
42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
12%
12 PM
21°
11%
1 PM
21°
6%
2 PM
21°
5%
3 PM
21°
6%
4 PM
20°
7%
5 PM
19°
7%
6 PM
18°
8%
7 PM
18°
9%
8 PM
18°
21%
9 PM
17°
32%
10 PM
17°
28%
11 PM
17°
37%
12 AM
18°
50%
1 AM
18°
50%
2 AM
17°
51%
3 AM
17°
51%
4 AM
17°
44%
5 AM
17°
36%
6 AM
17°
24%
7 AM
18°
10%
8 AM
19°
5%
9 AM
20°
3%
10 AM
21°
2%
7-Day Forecast
Today
22° 17°
Mostly Cloudy with a 37% chance of rain.
Wed
23° 17°
Overcast with a 51% chance of rain.
Thu
25° 16°
Partly Cloudy.
Fri
24° 15°
Clear.
Sat
24° 17°
Thunderstorm, 30% chance.
Sun
23° 17°
Mostly Cloudy with a 36% chance of rain.
Mon
22° 14°
Partly Cloudy.
TimeTempConditionsPrecipWindHumidity
Now 21° Mostly Cloudy 12% 6 mph NE 71%
12 PM 21° Rain 11% 4 mph ENE 72%
1 PM 21° Mostly Cloudy 6% 5 mph ENE 71%
2 PM 21° Mostly Cloudy 5% 5 mph E 69%
3 PM 21° Mostly Cloudy 6% 4 mph ENE 70%
4 PM 20° Mostly Cloudy 7% 3 mph ENE 74%
5 PM 19° Rain 7% 3 mph NE 78%
6 PM 18° Rain 8% 3 mph NE 83%
7 PM 18° Rain 9% 4 mph ENE 85%
8 PM 18° Overcast 21% 3 mph ENE 86%
9 PM 17° Drizzle 32% 2 mph ENE 89%
10 PM 17° Rain 28% 3 mph NE 91%
11 PM 17° Overcast 37% 4 mph NNE 92%
12 AM 18° Rain 50% 3 mph NNE 93%
1 AM 18° Overcast 50% 3 mph NE 93%
2 AM 17° Overcast 51% 4 mph NE 94%
3 AM 17° Mostly Cloudy 51% 4 mph NE 95%
4 AM 17° Mostly Cloudy 44% 4 mph NNE 95%
5 AM 17° Overcast 36% 4 mph NE 96%
6 AM 17° Overcast 24% 5 mph NE 96%
7 AM 18° Overcast 10% 5 mph NE 95%
8 AM 19° Overcast 5% 5 mph NE 94%
9 AM 20° Overcast 3% 6 mph NE 91%
10 AM 21° Overcast 2% 6 mph NE 87%
15-Day Forecast
Today
11/10
Mostly Cloudy
37%
17°
22°
Wed
11/11
Overcast
51%
17°
23°
Thu
11/12
Partly Cloudy
0%
16°
25°
Fri
11/13
Clear
0%
15°
24°
Sat
11/14
Thunderstorm
30%
17°
24°
Sun
11/15
Mostly Cloudy
36%
17°
23°
Mon
11/16
Partly Cloudy
15%
14°
22°
Tue
11/17
Mostly Clear
5%
14°
21°
Wed
11/18
Partly Cloudy
9%
17°
23°
Thu
11/19
Rain
14%
19°
24°
Fri
11/20
Mostly Cloudy
25%
19°
24°
Sat
11/21
Rain
90%
18°
24°
Sun
11/22
Drizzle
90%
16°
22°
Mon
11/23
Drizzle
76%
14°
21°
Tue
11/24
Drizzle
77%
14°
19°
42
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
42 AQI 7.7 µg/m³
O3
Ground-level ozone
36 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 42 Good 36 42
Thu 31 Good 31 28
Fri 45 Good 37 45
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 Nov 10, 16:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE6 J/kg
MLCAPE24 J/kg
MUCAPE1 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index2.9
Kinematics
0–6 km Shear46 kt
0–1 km Shear6 kt
Eff. Shear—
0–1 km SRH25
0–3 km SRH137
Eff. SRH—
Storm Motion294° @ 22 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index28.7
Thermo & Levels
PWAT1.24 in
0–3 km LR5.0 °C/km
700–500 LR6.1 °C/km
Total Totals41.7
LCL943 hPa
LFC1022 hPa
EL986 hPa
Freezing Lvl13,081 ft