The highest day temperature in October 2025 was 97°F. The lowest night temperature was 54°F. The average values for day and night temperatures during October were 90.0°F и 77.5°F respectivly.

The average sea surface temperature in October 2025 for Port Aransas was 85.9°F. The maximum and minimum values were 81.2°F and 87.8°F respectively.

Most of the days in October are sunny but you can also expect cloudy and gloomy days.

Precipitation total in October for Port Aransas is 0.6 in. It makes october one of the least rainy months of the year.

The average wind speed in October is 11.8 mph. It makes October one of the most windless months of the year for Port Aransas.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Port Aransas in October is 7.9 hours.