Rock Lake Weather Forecast

    • 38
    • 59

    Partly Sunny

    • 47
    • 71

    Breezy

    • 32
    • 70

    Mostly Cloudy

    • 40
    • 63

    Sunny

    • 40
    • 73

    Mostly Sunny

    • 42
    • 73

    Partly Sunny

Today 18 Dec Guadalupe County

Mostly sunny. Highs in the upper 50s. Northeast Winds around 15 Mph, becoming south this afternoon.

Tonight 18 Dec Guadalupe County

Breezy. Mostly clear. Lows in the upper 30s. Southwest Winds 15 to 25 Mph.

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  • Temperature Real-Time

Rock Lake Temperature Statistics

December Temperature

Clines Corners (56.5 miles)

  • Lowest 5 December, 2025

    18 °F

  • Average December

    36.1 °F

  • Highest 11 December, 2025

    60.1 °F

Climate (2020–Present)

Clines Corners (56.5 miles)

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  • Average Low 2020–2025

    37.8 °F

  • Average 2020–2025

    50.4 °F

  • Average High 2020–2025

    63.9 °F
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