Post Lake Weather Forecast

    • 64
    • 97

    Hot

    • 64
    • 94

    Isolated Thunderstorms

    • 66
    • 96

    Mostly Sunny

    • 67
    • 97

    Slight Chance Thunderstorms

    • 67
    • 97

    Hot

    • 66
    • 98

    Hot

Today 19 Aug Guadalupe County

Hot. Mostly sunny this Morning, then partly cloudy with isolated Showers and Thunderstorms this afternoon. Highs in the mid 90s. Northwest Winds around 15 Mph this morning. Chance of rain 20 percent.

Tonight 19 Aug Guadalupe County

Mostly cloudy. Scattered Showers and Thunderstorms in the Evening, then isolated Showers after midnight. Lows in the mid 60s. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Post Lake Temperature Statistics

August Temperature

Clines Corners (56.5 miles)

  • Lowest 2 August, 2026

    55 °F

  • Average August

    72.8 °F

  • Highest 3 August, 2026

    93.9 °F

Climate (2021–2026)

Clines Corners (56.5 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    64.7 °F
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