Johnson Lake Weather Forecast

    • 35
    • 66

    Sunny

    • 44
    • 58

    Sunny

    • 39
    • 70

    Mostly Sunny

    • 32
    • 54

    Mostly Sunny

    • 40
    • 59

    Mostly Sunny

    • 43
    • 63

    Mostly Cloudy

    • 45
    • 57

    Mostly Cloudy

Today 14 Jan Washington

Sunny, breezy and not as cool with Highs in the upper 60s. Northwest Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 14 Jan Washington

Clear, cooler with Lows in the mid 30s. North 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 11 January, 2026

    35.6 °F

  • Average January

    61.4 °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

    60.7 °F

  • Average 2021–2026

    70.5 °F

  • Average High 2021–2026

    81.3 °F
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