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
9:35 PM CDT MAR 14, 2026
Clear
72°F
Feels Like: 72°F
Dewpoint: 68°F
Rel. Hum.: 87%
Visibility: 10 miles
Wind: SE at 12 mph
Pressure: 29.86 inches
Last 72 hours

Local Area Snow Depth

Texas Current Weather

Texas MOS Forecast Weather


Regional Weather Maps

(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
TONIGHT
Mostly clear this evening, then becoming partly cloudy. Near steady temperature around 70. South winds 15 to 20 mph.
SUNDAY
Partly cloudy. Highs in the upper 70s. South winds 15 to 20 mph.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A 20 percent chance of showers. Windy and much cooler. Less humid with lows in the lower 50s. Southeast winds 20 to 30 mph, increasing to north 30 to 40 mph with gusts up to 50 mph after midnight.
MONDAY
Sunny, windy and much cooler with highs in the lower 60s. North winds 30 to 40 mph, diminishing to 15 to 25 mph in the afternoon.
MONDAY NIGHT
Mostly cloudy. Lows in the mid 50s. Northeast winds 15 to 20 mph, diminishing to 10 to 15 mph after midnight.
TUESDAY
Partly cloudy in the morning, then becoming sunny. Highs in the mid 60s.
TUESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Near steady temperature in the lower 60s.
WEDNESDAY
Partly cloudy in the morning, then becoming sunny. Highs in the lower 70s.
WEDNESDAY NIGHT
Mostly clear. Lows in the mid 60s.
THURSDAY
Sunny. Highs in the mid 70s.
THURSDAY NIGHT
Clear. Lows in the mid 60s.
FRIDAY
Sunny. Highs in the mid 70s.
FRIDAY NIGHT
Clear. Lows in the mid 60s.

  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  5:00 AM MST  3/14/2026
Saturday
14 MAR 2026		 PORT ARANSAS, TX 78373 weather forecast Day 1, 12 hours 12 PM 75° 75° Partly Cloudy 0%

 0% Thunder
( 2% severe)		 SSE   12 71% 65°
High 76° PORT ARANSAS, TX 78373 weather forecast Day 1, 15 hours 3 PM 75° 75° Clear SE   14 71% 65°
Partly Cloudy



 PORT ARANSAS, TX 78373 weather forecast Day 1, 18 hours 6 PM 72° 72° Partly Cloudy 1%

 0% Thunder
( 3% severe)		 SSE   14 81% 66°
PORT ARANSAS, TX 78373 weather forecast Day 1, 21 hours 9 PM 71° 71° Partly Cloudy SSE   14 87% 67°
Sunday
15 MAR 2026		 PORT ARANSAS, TX 78373 weather forecast Day 2, 0 hours 12 AM 71° 71° Partly Cloudy 0%

 0% Thunder
( 3% severe)		 S   14 87% 67°
Low 69° PORT ARANSAS, TX 78373 weather forecast Day 2, 3 hours 3 AM 70° 70° Mostly Cloudy S   15 87% 66°
High 79° PORT ARANSAS, TX 78373 weather forecast Day 2, 6 hours 6 AM 70° 70° Partly Cloudy 2%

 0% Thunder
( 8% severe)		 S   15 87% 66°

Mostly Cloudy



 PORT ARANSAS, TX 78373 weather forecast Day 2, 9 hours 9 AM 73° 73° Mostly Cloudy S   16 84% 68°
PORT ARANSAS, TX 78373 weather forecast Day 2, 12 hours 12 PM 76° 77° Mostly Cloudy 5%

 0% Thunder
( 7% severe)		 S   15 74% 67°
PORT ARANSAS, TX 78373 weather forecast Day 2, 15 hours 3 PM 77° 79° Partly Cloudy S   15 71% 67°
PORT ARANSAS, TX 78373 weather forecast Day 2, 18 hours 6 PM 74° 74° Partly Cloudy 16%
RAIN
<.01 in		 0% Thunder
( 11% severe)		 S   14 76% 66°
PORT ARANSAS, TX 78373 weather forecast Day 2, 21 hours 9 PM 71° 71° Partly Cloudy NE   17 71% 61°
Monday
16 MAR 2026		 PORT ARANSAS, TX 78373 weather forecast Day 3, 0 hours 12 AM 66° 66° Mostly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 2% severe)		 NNE   25 50% 47°
Low 51° PORT ARANSAS, TX 78373 weather forecast Day 3, 3 hours 3 AM 59° 54° Partly Cloudy N   29 46% 38°
High 63° PORT ARANSAS, TX 78373 weather forecast Day 3, 6 hours 6 AM 53° 47° Partly Cloudy 0%

 0% Thunder
( 0% severe)		 N   26 46% 33°

Partly Cloudy




Windy		 PORT ARANSAS, TX 78373 weather forecast Day 3, 9 hours 9 AM 54° 48° Clear N   23 40% 30°
PORT ARANSAS, TX 78373 weather forecast Day 3, 15 hours 12 PM 59° 56° Clear 0%

 0% Thunder
( 0% severe)		 N   18 29% 27°
PORT ARANSAS, TX 78373 weather forecast Day 3, 18 hours 3 PM 62° 60° Partly Cloudy NNE   16 25% 26°
PORT ARANSAS, TX 78373 weather forecast Day 3, 21 hours 6 PM 61° 59° Partly Cloudy     NNE   13 28% 28°

PORT ARANSAS/MUSTAN, TX extended weather forecast
Tuesday
17 MAR 2026		 Wednesday
18 MAR 2026		 Thursday
19 MAR 2026		 Friday
20 MAR 2026		 Saturday
21 MAR 2026
Low 47° Low 60° Low 63° Low 64° Low 67°
High 63° High 72° High 75° High 74° High 78°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
5% Rain		 Partly Cloudy
2% Rain		 Clear
7% Rain		 Clear
9% Rain		 Partly Cloudy
20% Rain
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