Johnson Lake Weather Forecast

    • 65
    • 79

    Increasing Clouds

    • 63
    • 78

    Mostly Cloudy

    • 62
    • 79

    Partly Sunny

    • 64
    • 81

    Partly Sunny

    • 62
    • 81

    Partly Sunny

    • 45
    • 73

    Mostly Cloudy

Today 23 Dec Washington

Mostly cloudy in the Morning, then becoming partly sunny. Patchy fog in the morning. Highs around 80. South Winds 5 to 10 Mph.

Tonight 23 Dec Washington

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 60s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Lake Temperature Statistics

December Temperature

Brenham, Brenham Municipal Airport (6.2 miles)

  • Lowest 15 December, 2025

    28.4 °F

  • Average December

    52.6 °F

  • Highest 20 December, 2025

    78.4 °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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