Johnson Lake Weather Forecast

    • 56
    • 63

    Chance Rain Showers

    • 61
    • 70

    Chance Rain Showers

    • 42
    • 77

    Mostly Sunny

    • 50
    • 64

    Mostly Sunny

    • 62
    • 76

    Partly Sunny

    • 60
    • 78

    Partly Sunny

Today 16 Dec Washington

Mostly cloudy. Highs in the lower 60s. Southeast Winds around 5 Mph.

Tonight 16 Dec Washington

Cloudy. A chance of Showers after midnight. Patchy fog after midnight. Not as cool with Lows in the mid 50s. Southeast Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Lake Temperature Statistics

December Temperature

Brenham, Brenham Municipal Airport (6.2 miles)

  • Lowest 9 December, 2025

    31.5 °F

  • Average December

    51.5 °F

  • Highest 12 December, 2025

    77.7 °F

Climate (2020–Present)

Brenham, Brenham Municipal Airport (6.2 miles)

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  • Average Low 2020–2025

    60.5 °F

  • Average 2020–2025

    70.3 °F

  • Average High 2020–2025

    81.2 °F
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