Johnson Lake Weather Forecast

    • 62
    • 81

    Mostly Cloudy

    • 63
    • 79

    Chance Rain Showers

    • 63
    • 80

    Chance Rain Showers

    • 64
    • 83

    Partly Sunny

    • 64
    • 84

    Chance Rain Showers

    • 53
    • 78

    Rain Showers Likely

Today 29 Oct Grimes

Partly sunny in the Morning, then becoming mostly cloudy. Patchy fog in the morning. Highs in the lower 80s. East Winds around 5 Mph.

Tonight 29 Oct Grimes

Cloudy. Lows in the lower 60s. East Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Lake Temperature Statistics

October Temperature

Bryan Coulter Field (14.3 miles)

  • Lowest 19 October, 2026

    45.7 °F

  • Average October

    72.7 °F

  • Highest 13 October, 2026

    93.6 °F

Climate (2021–2026)

Bryan Coulter Field (14.3 miles)

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  • Average Low 2021–2026

    60.3 °F

  • Average 2021–2026

    70.1 °F

  • Average High 2021–2026

    80.9 °F
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