PORT ARANSAS, TX 78373 Weather Forecast & Current Conditions
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  78373 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

PORT ARANSAS/MUSTAN, TX
Current Weather
4:35 AM CDT AUG 18, 2025
Broken Clouds
NA
Feels Like: NA
Dewpoint: NA
Rel. Hum.: NA%
Visibility: 10 miles
Wind: S at 9 mph
Pressure: 29.94 inches
Last 72 hours

Local Area Snow Depth

Texas Current Weather

Texas MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  78373 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

PORT ARANSAS, TX 78373
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny. Highs in the upper 80s. South winds around 5 mph, increasing to east this afternoon.
TONIGHT
Mostly clear. Lows in the lower 80s. Southeast winds 5 to 10 mph.
TUESDAY
Sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. West winds around 5 mph, increasing to east in the afternoon. Chance of rain 30 percent.
TUESDAY NIGHT
Mostly clear. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 30 percent.
WEDNESDAY
Sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 80s. Northwest winds around 5 mph, increasing to east in the afternoon. Chance of rain 30 percent.
WEDNESDAY NIGHT
Mostly clear. Lows in the lower 80s.
THURSDAY
Sunny. Highs in the upper 80s.
THURSDAY NIGHT
Mostly clear. A chance of showers after midnight. Lows in the lower 80s. Chance of rain 30 percent.
FRIDAY
Partly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.
FRIDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms after midnight. Near steady temperature in the mid 80s. Chance of rain 30 percent.
SATURDAY
Partly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 40 percent.
SATURDAY NIGHT
Partly cloudy. A chance of showers after midnight. Lows in the lower 80s. Chance of rain 30 percent.
SUNDAY
Partly cloudy. A chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 30 percent.

  78373 WEATHER SATELLITE LOOPS
Visible Weather Satellite
PORT ARANSAS, TX 78373
Infrared Weather Satellite
PORT ARANSAS, TX 78373
  78373 WEATHER RADAR LOOP
NEXRAD Weather Radar
PORT ARANSAS, TX 78373
 MOS COMPUTER WEATHER FORECAST

PORT ARANSAS/MUSTAN, TX 3 hourly weather forecast
weather forecast created  6:00 PM MDT  8/17/2025
Monday
18 AUG 2025		 PORT ARANSAS, TX 78373 weather forecast Day 1, 0 hours 1 AM 85° 98° Partly Cloudy 5%

 0% Thunder
( 5% severe)		 SSE   8 82% 79°
Low 83° PORT ARANSAS, TX 78373 weather forecast Day 1, 3 hours 4 AM 84° 96° Partly Cloudy S   6 85% 79°
High 90° PORT ARANSAS, TX 78373 weather forecast Day 1, 6 hours 7 AM 84° 96° Partly Cloudy 2%

 0% Thunder
( 13% severe)		 S   2 85% 79°

Partly Cloudy



 PORT ARANSAS, TX 78373 weather forecast Day 1, 9 hours 10 AM 86° 98° Partly Cloudy SSE   3 77% 78°
PORT ARANSAS, TX 78373 weather forecast Day 1, 12 hours 1 PM 87° 100° Clear 4%

 0% Thunder
( 12% severe)		 ESE   7 75% 78°
PORT ARANSAS, TX 78373 weather forecast Day 1, 15 hours 4 PM 88° 101° Clear ESE   9 72% 78°
PORT ARANSAS, TX 78373 weather forecast Day 1, 18 hours 7 PM 87° 100° Clear 1%

 0% Thunder
( 6% severe)		 SE   8 75% 78°
PORT ARANSAS, TX 78373 weather forecast Day 1, 21 hours 10 PM 85° 97° Clear SE   6 80% 78°
Tuesday
19 AUG 2025		 PORT ARANSAS, TX 78373 weather forecast Day 2, 0 hours 1 AM 85° 97° Partly Cloudy 7%

 0% Thunder
( 15% severe)		 SSE   3 80% 78°
Low 82° PORT ARANSAS, TX 78373 weather forecast Day 2, 3 hours 4 AM 83° 93° Partly Cloudy S   2 85% 78°
High 90° PORT ARANSAS, TX 78373 weather forecast Day 2, 6 hours 7 AM 83° 93° Partly Cloudy 12%
RAIN
<.01 in		 0% Thunder
( 25% severe)		 WSW   2 85% 78°

Partly Cloudy

Chance of Rain

 PORT ARANSAS, TX 78373 weather forecast Day 2, 9 hours 10 AM 85° 97° Partly Cloudy WNW   3 80% 78°
PORT ARANSAS, TX 78373 weather forecast Day 2, 12 hours 1 PM 87° 99° Partly Cloudy 21%
RAIN
<.01 in		 0% Thunder
( 27% severe)		 E   7 72% 77°
PORT ARANSAS, TX 78373 weather forecast Day 2, 15 hours 4 PM 88° 100° Partly Cloudy ESE   8 70% 77°
PORT ARANSAS, TX 78373 weather forecast Day 2, 18 hours 7 PM 87° 99° Partly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 16% severe)		 SE   6 72% 77°
PORT ARANSAS, TX 78373 weather forecast Day 2, 21 hours 10 PM 85° 96° Partly Cloudy SE   3 77% 77°

PORT ARANSAS/MUSTAN, TX extended weather forecast
Wednesday
20 AUG 2025		 Thursday
21 AUG 2025		 Friday
22 AUG 2025		 Saturday
23 AUG 2025		 Sunday
24 AUG 2025
Low 81° Low 81° Low 79° Low 80° Low 81°
High 91° High 90° High 88° High 89° High 90°
PORT ARANSAS, TX 78373 weather forecast Day 3 PORT ARANSAS, TX 78373 weather forecast Day 4 PORT ARANSAS, TX 78373 weather forecast Day 5 PORT ARANSAS, TX 78373 weather forecast Day 6 PORT ARANSAS, TX 78373 weather forecast Day 7
Partly Cloudy
22% Rain		 Mostly Cloudy
42% Rain		 Mostly Cloudy
52% Rain		 Partly Cloudy
39% Rain		 Partly Cloudy
33% Rain
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