PORT ARANSAS, TX 78373 Weather Forecast & Current Conditions

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PORT ARANSAS/MUSTAN, TX
Current Weather

11:15 PM CDT MAY 13, 2026
Clear
77°F
Feels Like: 79°F
Dewpoint: 68°F
Rel. Hum.: 74%
Visibility: 10 miles
Wind: SSE at 7 mph
Pressure: 30.03 inches
Last 72 hours

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PORT ARANSAS, TX 78373
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph.
THURSDAY
Partly cloudy in the morning, then clearing. Highs in the lower 80s. Southwest winds 5 to 10 mph, increasing to southeast 10 to 15 mph in the afternoon.
THURSDAY NIGHT
Partly cloudy. Lows in the upper 70s. South winds 15 to 20 mph.
FRIDAY
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s. South winds 15 to 20 mph with gusts up to 30 mph.
FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Near steady temperature in the upper 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph.
SATURDAY
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Near steady temperature around 80.
SUNDAY
Mostly cloudy and breezy. Near steady temperature around 80.
SUNDAY NIGHT
Mostly cloudy. Near steady temperature around 80.
MONDAY
Mostly cloudy. Near steady temperature in the lower 80s.
MONDAY NIGHT
Mostly cloudy. Near steady temperature around 80.
TUESDAY
Mostly cloudy. Near steady temperature in the lower 80s.
TUESDAY NIGHT
Mostly cloudy. A chance of showers. Near steady temperature around 80. Chance of rain 40 percent.

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  6:00 AM MDT  5/13/2026
Wednesday
13 MAY 2026
PORT ARANSAS, TX 78373 weather forecast Day 1, 12 hours 1 PM 79° 81° Clear 0%

0% Thunder
( 2% severe)
ESE   7 69% 68°
High 80° PORT ARANSAS, TX 78373 weather forecast Day 1, 15 hours 4 PM 79° 81° Clear SE   10 69% 68°
Clear



PORT ARANSAS, TX 78373 weather forecast Day 1, 18 hours 7 PM 79° 81° Clear 0%

0% Thunder
( 2% severe)
SSE   10 69% 68°
PORT ARANSAS, TX 78373 weather forecast Day 1, 21 hours 10 PM 77° 79° Clear SSE   9 76% 69°
Thursday
14 MAY 2026
PORT ARANSAS, TX 78373 weather forecast Day 2, 0 hours 1 AM 77° 79° Clear 0%

0% Thunder
( 3% severe)
S   8 76% 69°
Low 75° PORT ARANSAS, TX 78373 weather forecast Day 2, 3 hours 4 AM 76° 77° Partly Cloudy SSW   8 79% 69°
High 84° PORT ARANSAS, TX 78373 weather forecast Day 2, 6 hours 7 AM 75° 75° Partly Cloudy 0%

0% Thunder
( 3% severe)
SSW   6 82% 69°

Partly Cloudy



PORT ARANSAS, TX 78373 weather forecast Day 2, 9 hours 10 AM 77° 79° Partly Cloudy SSW   5 76% 69°
PORT ARANSAS, TX 78373 weather forecast Day 2, 12 hours 1 PM 79° 82° Partly Cloudy 1%

0% Thunder
( 4% severe)
SSE   9 72% 69°
PORT ARANSAS, TX 78373 weather forecast Day 2, 15 hours 4 PM 80° 83° Partly Cloudy SSE   12 69% 69°
PORT ARANSAS, TX 78373 weather forecast Day 2, 18 hours 7 PM 79° 82° Partly Cloudy 0%

0% Thunder
( 5% severe)
SSE   13 74% 70°
PORT ARANSAS, TX 78373 weather forecast Day 2, 21 hours 10 PM 78° 80° Partly Cloudy SSE   13 76% 70°
Friday
15 MAY 2026
PORT ARANSAS, TX 78373 weather forecast Day 3, 0 hours 1 AM 78° 80° Partly Cloudy 0%

0% Thunder
( 5% severe)
SSE   14 76% 70°
Low 77° PORT ARANSAS, TX 78373 weather forecast Day 3, 3 hours 4 AM 77° 79° Mostly Cloudy S   14 79% 70°
High 84° PORT ARANSAS, TX 78373 weather forecast Day 3, 6 hours 7 AM 77° 79° Mostly Cloudy 0%

0% Thunder
( 3% severe)
S   14 79% 70°

Partly Cloudy



PORT ARANSAS, TX 78373 weather forecast Day 3, 9 hours 10 AM 79° 82° Partly Cloudy S   15 74% 70°
PORT ARANSAS, TX 78373 weather forecast Day 3, 15 hours 1 PM 80° 83° Partly Cloudy 0%

0% Thunder
( 4% severe)
SSE   16 74% 71°
PORT ARANSAS, TX 78373 weather forecast Day 3, 18 hours 4 PM 80° 83° Partly Cloudy SSE   16 74% 71°
PORT ARANSAS, TX 78373 weather forecast Day 3, 21 hours 7 PM 79° 82° Partly Cloudy     SE   16 77% 71°

PORT ARANSAS/MUSTAN, TX extended weather forecast

Saturday
16 MAY 2026
Sunday
17 MAY 2026
Monday
18 MAY 2026
Tuesday
19 MAY 2026
Wednesday
20 MAY 2026
Low 78° Low 78° Low 79° Low 76° Low 74°
High 84° High 85° High 84° High 84° High 82°
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
Mostly Cloudy
13% Rain
Mostly Cloudy
22% Rain
Overcast
33% Rain
Overcast
33% Rain
Overcast
45% Rain
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