Johnson Lake Weather Forecast

    • 67
    • 81

    Increasing Clouds

    • 66
    • 80

    Chance Rain Showers

    • 45
    • 76

    Rain Showers Likely

    • 39
    • 56

    Mostly Cloudy

    • 36
    • 60

    Mostly Cloudy

    • 39
    • 59

    Mostly Cloudy

    • 42
    • 60

    Partly Sunny

Today 7 Jan Washington

Patchy fog early. Partly sunny. Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 7 Jan Washington

Mostly cloudy. Lows in the upper 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Lake Temperature Statistics

January Temperature

Brenham, Brenham Municipal Airport (6.2 miles)

  • Lowest 4 January, 2026

    41.9 °F

  • Average January

    62 °F

  • Highest 2 January, 2026

    86.2 °F

Climate (2021–Present)

Brenham, Brenham Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    60.6 °F

  • Average 2021–2026

    70.4 °F

  • Average High 2021–2026

    81.3 °F
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