Cedar Park Weather Forecast

    • 57
    • 63

    Slight Chance Thunderstorms

    • 40
    • 74

    Mostly Sunny

    • 50
    • 65

    Mostly Sunny

    • 53
    • 77

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

    • 56
    • 75

    Partly Sunny

Today 17 Dec Williamson

Cloudy with a slight chance of Thunderstorms and very light drizzle. Patchy fog. Near steady temperature in the lower 60s. Southeast Winds around 5 Mph. Chance of precipitation 20 percent.

Tonight 17 Dec Williamson

Cloudy with a slight chance of very light drizzle. Patchy fog. Near steady temperature in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cedar Park Temperature Statistics

December Temperature

Lago Vista TX, Rusty Allen Airport (8.1 miles)

  • Lowest 15 December, 2025

    31.1 °F

  • Average December

    50.4 °F

  • Highest 13 December, 2025

    76.8 °F

Climate (2020–Present)

Lago Vista TX, Rusty Allen Airport (8.1 miles)

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  • Average Low 2020–2025

    59.5 °F

  • Average 2020–2025

    68.8 °F

  • Average High 2020–2025

    79.6 °F
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