Post Lake Weather Forecast
- 62
- 88
Mostly Sunny
- 62
- 89
Mostly Sunny
- 61
- 91
Mostly Sunny
- 62
- 89
Chance Thunderstorms
- 62
- 88
Chance Thunderstorms
- 61
- 87
Chance Thunderstorms
- 58
- 83
Rain Showers Likely
Today 20 Aug Guadalupe County
Mostly sunny. Highs in the mid 80s.
Tonight 20 Aug Guadalupe County
Mostly clear. Lows in the lower 60s.
Post Lake Temperature Statistics
August Temperature
Clines Corners (56.5 miles)
Lowest 1 August, 2025
50.6 °FAverage August
73 °FHighest 8 August, 2025
93.7 °F
Climate (2020–Present)
Clines Corners (56.5 miles)
Average Low 2020–2025
37.6 °FAverage 2020–2025
50.3 °FAverage High 2020–2025
63.8 °F