PORT ARANSAS, TX 78373 Weather Forecast & Current Conditions

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PORT ARANSAS/MUSTAN, TX
Current Weather

3:35 AM CST JAN 5, 2026
Scattered Clouds
68°F
Feels Like: 68°F
Dewpoint: 64°F
Rel. Hum.: 87%
Visibility: 10 miles
Wind: SSE at 8 mph
Pressure: 29.97 inches
Last 72 hours

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PORT ARANSAS, TX 78373
Weather Forecast

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Snow Depth pages
TODAY
Mostly cloudy this morning, then becoming partly cloudy. Highs in the lower 70s. Southeast winds 5 to 10 mph, increasing to 10 to 15 mph this afternoon.
TONIGHT
Partly cloudy. Near steady temperature in the upper 60s. South winds 10 to 15 mph.
TUESDAY
Partly cloudy in the morning, then clearing. Highs in the lower 70s. South winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon.
TUESDAY NIGHT
Partly cloudy. Lows in the upper 60s. South winds 10 to 15 mph.
WEDNESDAY
Sunny. Highs in the mid 70s. South winds around 10 mph, increasing to 15 to 20 mph in the afternoon.
WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Breezy. Near steady temperature around 70.
THURSDAY
Mostly cloudy. Highs in the mid 70s.
THURSDAY NIGHT
Mostly cloudy. Lows in the mid 60s.
FRIDAY
Mostly cloudy. Highs in the mid 70s.
FRIDAY NIGHT
Mostly cloudy and breezy, cooler with lows in the mid 50s.
SATURDAY
Mostly cloudy and breezy, cooler with highs in the lower 60s.
SATURDAY NIGHT
Mostly cloudy. Lows in the lower 50s.
SUNDAY
Mostly cloudy. Highs in the lower 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 PM MST  1/ 4/2026
Monday
5 JAN 2026
PORT ARANSAS, TX 78373 weather forecast Day 1, 0 hours 12 AM 65° 65° Mostly Cloudy 2%

0% Thunder
( 0% severe)
SE   9 87% 61°
Low 64° PORT ARANSAS, TX 78373 weather forecast Day 1, 3 hours 3 AM 65° 65° Mostly Cloudy SSE   8 90% 62°
High 74° PORT ARANSAS, TX 78373 weather forecast Day 1, 6 hours 6 AM 66° 66° Mostly Cloudy 0%

0% Thunder
( 2% severe)
SSE   6 90% 63°

Mostly Cloudy



PORT ARANSAS, TX 78373 weather forecast Day 1, 9 hours 9 AM 68° 68° Mostly Cloudy SE   7 90% 65°
PORT ARANSAS, TX 78373 weather forecast Day 1, 12 hours 12 PM 72° 72° Partly Cloudy 0%

0% Thunder
( 2% severe)
SE   9 79% 65°
PORT ARANSAS, TX 78373 weather forecast Day 1, 15 hours 3 PM 72° 72° Partly Cloudy SE   10 81% 66°
PORT ARANSAS, TX 78373 weather forecast Day 1, 18 hours 6 PM 70° 70° Partly Cloudy 0%

0% Thunder
( 0% severe)
SE   10 87% 66°
PORT ARANSAS, TX 78373 weather forecast Day 1, 21 hours 9 PM 70° 70° Partly Cloudy SSE   12 87% 66°
Tuesday
6 JAN 2026
PORT ARANSAS, TX 78373 weather forecast Day 2, 0 hours 12 AM 69° 69° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   13 90% 66°
Low 67° PORT ARANSAS, TX 78373 weather forecast Day 2, 3 hours 3 AM 68° 68° Mostly Cloudy S   10 93% 66°
High 75° PORT ARANSAS, TX 78373 weather forecast Day 2, 6 hours 6 AM 68° 68° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SSW   8 93% 66°

Partly Cloudy



PORT ARANSAS, TX 78373 weather forecast Day 2, 9 hours 9 AM 69° 69° Partly Cloudy SSW   7 90% 66°
PORT ARANSAS, TX 78373 weather forecast Day 2, 12 hours 12 PM 72° 72° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   8 81% 66°
PORT ARANSAS, TX 78373 weather forecast Day 2, 15 hours 3 PM 73° 73° Partly Cloudy S   10 79% 66°
PORT ARANSAS, TX 78373 weather forecast Day 2, 18 hours 6 PM 70° 70° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSE   10 90% 67°
PORT ARANSAS, TX 78373 weather forecast Day 2, 21 hours 9 PM 69° 69° Partly Cloudy S   10 93% 67°

PORT ARANSAS/MUSTAN, TX extended weather forecast

Wednesday
7 JAN 2026
Thursday
8 JAN 2026
Friday
9 JAN 2026
Saturday
10 JAN 2026
Sunday
11 JAN 2026
Low 66° Low 68° Low 66° Low 59° Low 53°
High 75° High 75° High 76° High 67° High 66°
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
5% Rain
Partly Cloudy
20% Rain
Mostly Cloudy
35% Rain
Mostly Cloudy
26% Rain
Mostly Cloudy
29% Rain
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