City-By-The Sea Weather Forecast
- 62
- 70
Rain Showers Likely
- 61
- 70
Rain Showers Likely
- 52
- 76
Partly Sunny
- 58
- 68
Partly Sunny
- 64
- 75
Mostly Sunny
- 65
- 77
Partly Sunny
- 63
- 76
Partly Sunny
Today 16 Dec Coastal Aransas
Mostly cloudy. Not as cool with Highs around 70. East Winds 5 to 10 Mph.
Tonight 16 Dec Coastal Aransas
Cloudy. A slight chance of Showers and Thunderstorms in the Evening, then Showers likely with a chance of Thunderstorms after midnight. Patchy fog after midnight. Not as cool with Lows around 60. Southeast Winds around 5 Mph. Chance of rain 60 percent.
City-By-The Sea Temperature Statistics
December Temperature
Port Aransas, Mustang Beach Airport (9.3 miles)
Lowest 2 December, 2025
43.5 °FAverage December
59.7 °FHighest 13 December, 2025
75.7 °F
Climate (2020–Present)
Port Aransas, Mustang Beach Airport (9.3 miles)
Average Low 2020–2025
69.1 °FAverage 2020–2025
73.6 °FAverage High 2020–2025
78.4 °F