Flat Lake Weather Forecast

    • 42
    • 67

    Mostly Sunny

    • 58
    • 76

    Partly Sunny

    • 53
    • 84

    Mostly Sunny

    • 48
    • 79

    Mostly Sunny

    • 57
    • 77

    Partly Sunny

    • 59
    • 80

    Partly Sunny

Today 31 Dec Goliad

Sunny. Highs in the upper 60s. West Winds around 5 Mph, increasing to south around 5 Mph in the afternoon.

Tonight 31 Dec Goliad

Mostly clear in the Evening, then becoming partly cloudy. Not as cool with Lows in the lower 40s. South Winds around 5 Mph.

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Flat Lake Temperature Statistics

December Temperature

Beeville Municipal Airport (29.2 miles)

  • Lowest 15 December, 2025

    35.6 °F

  • Average December

    60.8 °F

  • Highest 28 December, 2025

    82.4 °F

Climate (2020–Present)

Beeville Municipal Airport (29.2 miles)

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  • Average Low 2020–2025

    61.7 °F

  • Average 2020–2025

    71.2 °F

  • Average High 2020–2025

    82.9 °F
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