PORT ARANSAS, TX 78373 Weather Forecast & Current Conditions

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PORT ARANSAS/MUSTAN, TX
Current Weather

4:35 PM CST DEC 18, 2025
Clear
70°F
Feels Like: 70°F
Dewpoint: 64°F
Rel. Hum.: 81%
Visibility: 10 miles
Wind: SE at 6 mph
Pressure: 29.86 inches
Last 72 hours

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PORT ARANSAS, TX 78373
Weather Forecast

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REST OF TODAY
Partly cloudy. Near steady temperature around 70. Southwest winds 5 to 10 mph.
TONIGHT
Mostly clear. Less humid with lows in the upper 50s. Northeast winds 15 to 20 mph.
FRIDAY
Sunny. Highs in the mid 60s. Northeast winds 15 to 20 mph, diminishing to around 10 mph in the afternoon.
FRIDAY NIGHT
Mostly clear. More humid. Near steady temperature in the lower 60s. Southeast winds 5 to 10 mph, becoming south after midnight.
SATURDAY
Partly cloudy in the morning, then becoming sunny. Highs in the lower 70s. South winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon.
SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.
SUNDAY
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 70s.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Near steady temperature in the upper 60s.
MONDAY
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 70s.
MONDAY NIGHT
Partly cloudy. Near steady temperature in the upper 60s.
TUESDAY
Partly cloudy in the morning, then clearing. Highs in the lower 70s.
TUESDAY NIGHT
Mostly clear. Near steady temperature in the upper 60s.
WEDNESDAY
Partly cloudy in the morning, then becoming sunny. Highs in the lower 70s.

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 12/18/2025
Thursday
18 DEC 2025
PORT ARANSAS, TX 78373 weather forecast Day 1, 12 hours 12 PM 69° 69° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SW   8 84% 64°
High 72° PORT ARANSAS, TX 78373 weather forecast Day 1, 15 hours 3 PM 71° 71° Clear WSW   7 76% 63°
Decreasing Clouds



PORT ARANSAS, TX 78373 weather forecast Day 1, 18 hours 6 PM 68° 68° Clear 0%

0% Thunder
( 0% severe)
NNE   6 81% 62°
PORT ARANSAS, TX 78373 weather forecast Day 1, 21 hours 9 PM 65° 65° Clear N   12 78% 58°
Friday
19 DEC 2025
PORT ARANSAS, TX 78373 weather forecast Day 2, 0 hours 12 AM 63° 61° Clear 0%

0% Thunder
( 0% severe)
NNE   15 62% 50°
Low 56° PORT ARANSAS, TX 78373 weather forecast Day 2, 3 hours 3 AM 60° 57° Clear NE   16 60% 46°
High 66° PORT ARANSAS, TX 78373 weather forecast Day 2, 6 hours 6 AM 58° 55° Clear 0%

0% Thunder
( 0% severe)
NE   14 60% 44°

Clear



PORT ARANSAS, TX 78373 weather forecast Day 2, 9 hours 9 AM 60° 58° Clear NE   13 58% 45°
PORT ARANSAS, TX 78373 weather forecast Day 2, 12 hours 12 PM 63° 62° Clear 0%

0% Thunder
( 0% severe)
NE   10 56% 47°
PORT ARANSAS, TX 78373 weather forecast Day 2, 15 hours 3 PM 64° 64° Clear ENE   9 60% 50°
PORT ARANSAS, TX 78373 weather forecast Day 2, 18 hours 6 PM 63° 63° Clear 1%

0% Thunder
( 0% severe)
E   7 72% 54°
PORT ARANSAS, TX 78373 weather forecast Day 2, 21 hours 9 PM 63° 63° Clear ESE   6 81% 57°
Saturday
20 DEC 2025
PORT ARANSAS, TX 78373 weather forecast Day 3, 0 hours 12 AM 64° 64° Partly Cloudy 1%

0% Thunder
( 0% severe)
SSE   8 87% 60°
Low 61° PORT ARANSAS, TX 78373 weather forecast Day 3, 3 hours 3 AM 64° 64° Partly Cloudy S   8 90% 61°
High 72° PORT ARANSAS, TX 78373 weather forecast Day 3, 6 hours 6 AM 63° 63° Partly Cloudy 1%

0% Thunder
( 1% severe)
S   8 97% 62°

Partly Cloudy



PORT ARANSAS, TX 78373 weather forecast Day 3, 9 hours 9 AM 67° 67° Partly Cloudy S   9 90% 64°
PORT ARANSAS, TX 78373 weather forecast Day 3, 15 hours 12 PM 70° 70° Partly Cloudy 1%

0% Thunder
( 1% severe)
S   10 84% 65°
PORT ARANSAS, TX 78373 weather forecast Day 3, 18 hours 3 PM 71° 71° Partly Cloudy S   12 84% 66°
PORT ARANSAS, TX 78373 weather forecast Day 3, 21 hours 6 PM 69° 69° Clear     S   13 93% 67°

PORT ARANSAS/MUSTAN, TX extended weather forecast

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Low 62° Low 66° Low 68° Low 66° Low 64°
High 73° High 74° High 73° High 73° High 73°
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
4% Rain
Partly Cloudy
8% Rain
Partly Cloudy
11% Rain
Partly Cloudy
16% Rain
Partly Cloudy
24% Rain
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