Johnson Lake Weather Forecast

    • 31
    • 51

    Areas Fog

    • 33
    • 63

    Patchy Freezing Fog

    • 28
    • 50

    Partly Sunny

    • 21
    • 39

    Sunny

    • 31
    • 50

    Mostly Sunny

    • 45
    • 61

    Mostly Cloudy

    • 52
    • 65

    Chance Rain Showers

Today 28 Jan Washington

Sunny. Highs in the lower 50s. North Winds around 5 Mph.

Tonight 28 Jan Washington

Mostly clear in the Evening, then becoming partly cloudy. Areas of fog. Cold with Lows around 30. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Lake Temperature Statistics

January Temperature

Brenham, Brenham Municipal Airport (6.2 miles)

  • Lowest 26 January, 2026

    19.8 °F

  • Average January

    53.9 °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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