South Pass Lake Weather Forecast
- 54
- 73
Rain Showers Likely
- 48
- 64
Chance Rain Showers
- 49
- 60
Mostly Cloudy
- 51
- 59
Mostly Cloudy
- 52
- 61
Mostly Cloudy
- 49
- 68
Mostly Sunny
Today 9 Jan Calhoun Islands
Patchy fog in the morning. Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers in the Morning, then a chance of Showers in the afternoon. Highs in the lower 70s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.
Tonight 9 Jan Calhoun Islands
Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then Showers likely with a chance of Thunderstorms after midnight. Cooler with Lows in the mid 50s. East Winds 5 to 10 Mph, increasing to north 15 to 20 Mph after midnight. Chance of rain 60 percent.
South Pass Lake Temperature Statistics
January Temperature
Rockport Aransas County Airport (31.1 miles)
Lowest 1 January, 2026
44.1 °FAverage January
68.2 °FHighest 3 January, 2026
84 °F
Climate (2021–Present)
Rockport Aransas County Airport (31.1 miles)
Average Low 2021–2026
67.4 °FAverage 2021–2026
74.4 °FAverage High 2021–2026
81.7 °F