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
3:35 AM CST JAN 19, 2026
Clear 50°F
Feels Like:	48°F
Dewpoint:	43°F
Rel. Hum.:	77%
Visibility:	10 miles
Wind:	SSW at 5 mph
Pressure:	30.28 inches
Last 72 hours
Local Area Snow Depth
Texas Current Weather
Texas MOS Forecast Weather

Weather Map

(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

REST OF TONIGHT
Clear. Near steady temperature in the mid 50s. South winds 5 to 10 mph.

MARTIN LUTHER KING JR DAY
Sunny. Highs in the mid 60s. South winds 5 to 10 mph, increasing to southeast 10 to 15 mph in the afternoon.

MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Near steady temperature in the lower 60s. Southeast winds 10 to 15 mph.

TUESDAY
Cloudy with a 40 percent chance of showers. Highs in the upper 60s. East winds 10 to 15 mph, increasing to 15 to 20 mph in the afternoon.

TUESDAY NIGHT
Cloudy with a 50 percent chance of showers. Near steady temperature in the mid 60s. Southeast winds 15 to 20 mph, diminishing to 10 to 15 mph after midnight.

WEDNESDAY
Showers, mainly in the morning. Near steady temperature in the mid 60s. Chance of rain 80 percent.

WEDNESDAY NIGHT
Mostly cloudy. A chance of showers in the evening. Lows around 60. Chance of rain 30 percent.

THURSDAY
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 60s.

THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Near steady temperature in the lower 60s.

FRIDAY
Mostly cloudy. Highs around 70.

FRIDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows in the upper 50s.

SATURDAY
Mostly cloudy with a 50 percent chance of showers. Breezy with highs in the mid 60s. Temperature falling into the upper 50s in the afternoon.

SATURDAY NIGHT
Cloudy with a 40 percent chance of showers. Breezy, cooler with lows in the mid 40s.

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 PM MST 1/18/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
19 JAN 2026

12 AM

54°

52°

Clear

0%

0% Thunder
( 0% severe)

S 8

50%

36°

Low 53°

3 AM

54°

52°

Clear

S 7

57%

39°

High 66°

6 AM

55°

54°

Clear

0%

0% Thunder
( 0% severe)

S 5

59%

41°

Clear

9 AM

59°

58°

Partly Cloudy

SSE 7

57%

44°

12 PM

63°

62°

Clear

0%

0% Thunder
( 0% severe)

SE 10

52%

45°

3 PM

65°

65°

Clear

ESE 13

52%

47°

6 PM

63°

62°

Partly Cloudy

1%

0% Thunder
( 1% severe)

SE 13

60%

49°

9 PM

63°

62°

Mostly Cloudy

SE 12

67%

52°

Tuesday
20 JAN 2026

12 AM

63°

62°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 6% severe)

SE 10

70%

53°

Low 60°

3 AM

62°

61°

Mostly Cloudy

ESE 10

75%

54°

High 67°

6 AM

63°

62°

Mostly Cloudy

20%
RAIN
>2 in

0% Thunder
( 6% severe)

E 10

72%

54°

Mostly Cloudy

Chance of Rain

9 AM

64°

63°

Mostly Cloudy

E 13

75%

56°

12 PM

66°

66°

Mostly Cloudy

28%
RAIN
.25–.5 in

0% Thunder
( 3% severe)

E 14

73%

57°

3 PM

66°

66°

Mostly Cloudy

E 14

73%

57°

6 PM

65°

65°

Overcast

32%
RAIN
.1–.25 in

0% Thunder
( 2% severe)

ESE 13

78%

58°

9 PM

65°

65°

Overcast

SE 13

81%

59°


PORT ARANSAS/MUSTAN, TX extended weather forecast
Wednesday 21 JAN 2026	Thursday 22 JAN 2026	Friday 23 JAN 2026	Saturday 24 JAN 2026	Sunday 25 JAN 2026
Low 60°	Low 60°	Low 61°	Low 54°	Low 33°
High 66°	High 69°	High 69°	High 56°	High 43°

Overcast 85% Rain	Mostly Cloudy 43% Rain	Partly Cloudy 15% Rain	Overcast 50% Rain	Overcast 61% Rain

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