PORT ARANSAS, TX 78373 Weather Forecast & Current Conditions

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PORT ARANSAS/MUSTAN, TX
Current Weather

8:35 PM CDT MAR 13, 2026
Clear
68°F
Feels Like: 68°F
Dewpoint: 57°F
Rel. Hum.: 68%
Visibility: 10 miles
Wind: SE at 13 mph
Pressure: 29.99 inches
Last 72 hours

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PORT ARANSAS, TX 78373
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear. Near steady temperature in the upper 60s. Southeast winds 10 to 15 mph.
SATURDAY
Sunny. Highs in the mid 70s. South winds around 10 mph, increasing to southeast 15 to 20 mph in the afternoon.
SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Near steady temperature in the lower 70s. Southeast winds 15 to 20 mph.
SUNDAY
Partly cloudy. Highs in the upper 70s. South winds 15 to 20 mph.
SUNDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers after midnight. Windy and much cooler. Less humid with lows in the lower 50s. Southeast winds 15 to 25 mph with gusts up to 35 mph, increasing to north 25 to 35 mph with gusts up to 45 mph after midnight. Chance of rain 30 percent.
MONDAY
Sunny, windy and much cooler with highs in the lower 60s.
MONDAY NIGHT
Mostly cloudy. Lows in the mid 50s.
TUESDAY
Partly cloudy. Highs in the mid 60s.
TUESDAY NIGHT
Mostly clear. Near steady temperature in the lower 60s.
WEDNESDAY
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.

Visible Weather Satellite
PORT ARANSAS, TX 78373
Infrared Weather Satellite
PORT ARANSAS, TX 78373
NEXRAD Weather Radar
PORT ARANSAS, TX 78373

PORT ARANSAS/MUSTAN, TX 3 hourly weather forecast

weather forecast created  5:00 AM MST  3/13/2026
Friday
13 MAR 2026
PORT ARANSAS, TX 78373 weather forecast Day 1, 12 hours 12 PM 70° 70° Clear 0%

0% Thunder
( 0% severe)
S   9 57% 54°
High 72° PORT ARANSAS, TX 78373 weather forecast Day 1, 15 hours 3 PM 71° 71° Clear SSE   10 57% 55°
Clear



PORT ARANSAS, TX 78373 weather forecast Day 1, 18 hours 6 PM 69° 69° Clear 1%

0% Thunder
( 0% severe)
SE   10 66% 57°
PORT ARANSAS, TX 78373 weather forecast Day 1, 21 hours 9 PM 67° 67° Partly Cloudy SE   10 73% 58°
Saturday
14 MAR 2026
PORT ARANSAS, TX 78373 weather forecast Day 2, 0 hours 12 AM 68° 68° Partly Cloudy 3%

0% Thunder
( 0% severe)
SSE   12 76% 60°
Low 66° PORT ARANSAS, TX 78373 weather forecast Day 2, 3 hours 3 AM 67° 67° Partly Cloudy S   10 78% 60°
High 76° PORT ARANSAS, TX 78373 weather forecast Day 2, 6 hours 6 AM 67° 67° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSE   9 81% 61°

Partly Cloudy



PORT ARANSAS, TX 78373 weather forecast Day 2, 9 hours 9 AM 71° 71° Partly Cloudy SSE   10 76% 63°
PORT ARANSAS, TX 78373 weather forecast Day 2, 12 hours 12 PM 75° 75° Clear 0%

0% Thunder
( 1% severe)
SSE   12 69% 64°
PORT ARANSAS, TX 78373 weather forecast Day 2, 15 hours 3 PM 75° 75° Clear SE   14 71% 65°
PORT ARANSAS, TX 78373 weather forecast Day 2, 18 hours 6 PM 72° 72° Partly Cloudy 0%

0% Thunder
( 1% severe)
SE   14 81% 66°
PORT ARANSAS, TX 78373 weather forecast Day 2, 21 hours 9 PM 71° 71° Partly Cloudy SSE   14 84% 66°
Sunday
15 MAR 2026
PORT ARANSAS, TX 78373 weather forecast Day 3, 0 hours 12 AM 71° 71° Partly Cloudy 0%

0% Thunder
( 1% severe)
S   15 84% 66°
Low 69° PORT ARANSAS, TX 78373 weather forecast Day 3, 3 hours 3 AM 70° 70° Partly Cloudy S   15 87% 66°
High 79° PORT ARANSAS, TX 78373 weather forecast Day 3, 6 hours 6 AM 70° 70° Partly Cloudy 0%

0% Thunder
( 7% severe)
S   15 90% 67°

Partly Cloudy



PORT ARANSAS, TX 78373 weather forecast Day 3, 9 hours 9 AM 73° 73° Partly Cloudy S   16 84% 68°
PORT ARANSAS, TX 78373 weather forecast Day 3, 15 hours 12 PM 77° 79° Partly Cloudy 1%

0% Thunder
( 8% severe)
S   15 74% 68°
PORT ARANSAS, TX 78373 weather forecast Day 3, 18 hours 3 PM 77° 79° Partly Cloudy S   15 69% 66°
PORT ARANSAS, TX 78373 weather forecast Day 3, 21 hours 6 PM 74° 74° Partly Cloudy     S   14 74% 65°

PORT ARANSAS/MUSTAN, TX extended weather forecast

Monday
16 MAR 2026
Tuesday
17 MAR 2026
Wednesday
18 MAR 2026
Thursday
19 MAR 2026
Friday
20 MAR 2026
Low 48° Low 47° Low 58° Low 62° Low 65°
High 58° High 65° High 73° High 74° High 76°
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
35% Rain
Clear
2% Rain
Clear
1% Rain
Clear
5% Rain
Clear
12% Rain
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