Post Lake Weather Forecast

    • 33
    • 68

    Becoming Sunny

    • 31
    • 70

    Sunny

    • 40
    • 71

    Mostly Sunny

    • 37
    • 61

    Mostly Sunny

    • 45
    • 72

    Mostly Sunny

    • 38
    • 70

    Mostly Sunny

Today 15 Dec Guadalupe County

Not as cool. Partly cloudy. Highs in the mid 60s. West Winds 15 to 20 Mph.

Tonight 15 Dec Guadalupe County

Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 30s. West Winds 15 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Post Lake Temperature Statistics

December Temperature

Clines Corners (56.5 miles)

  • Lowest 5 December, 2025

    18 °F

  • Average December

    34.6 °F

  • Highest 11 December, 2025

    60.1 °F

Climate (2020–Present)

Clines Corners (56.5 miles)

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  • Average Low 2020–2025

    37.7 °F

  • Average 2020–2025

    50.4 °F

  • Average High 2020–2025

    63.8 °F
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