Post Lake Weather Forecast

    • 59
    • 75

    Rain Showers Likely

    • 58
    • 82

    Mostly Sunny

    • 60
    • 84

    Mostly Cloudy

    • 60
    • 83

    Rain Showers Likely

    • 55
    • 74

    Rain Showers Likely

    • 53
    • 75

    Chance Thunderstorms

    • 53
    • 75

    Mostly Sunny

Today 25 Sep Guadalupe County

Partly cloudy with a chance of Showers and Thunderstorms. Highs in the lower 70s. South Winds around 15 Mph. Chance of rain 50 percent.

Tonight 25 Sep Guadalupe County

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the upper 50s. Southwest Winds around 15 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Post Lake Temperature Statistics

September Temperature

Clines Corners (56.5 miles)

  • Lowest 19 September, 2026

    50 °F

  • Average September

    66.9 °F

  • Highest 11 September, 2026

    88 °F

Climate (2021–2026)

Clines Corners (56.5 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    64.7 °F
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