Johnson Lake Weather Forecast

    • 27
    • 55

    Increasing Clouds

    • 34
    • 61

    Mostly Cloudy

    • 24
    • 52

    Breezy

    • 31
    • 58

    Partly Sunny

    • 33
    • 62

    Partly Sunny

    • 40
    • 68

    Partly Sunny

Today 18 Oct Eastern Roosevelt

Sunny. Highs in the mid 50s. West wind 15 to 20 Mph.

Tonight 18 Oct Eastern Roosevelt

Mostly clear. Lows in the upper 20s. West wind 5 to 10 Mph, becoming southwest after midnight.

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Johnson Lake Temperature Statistics

October Temperature

Sidney-Richland (47.2 miles)

  • Lowest 7 October, 2025

    30 °F

  • Average October

    50.1 °F

  • Highest 11 October, 2025

    80.1 °F

Climate (2020–Present)

Sidney-Richland (47.2 miles)

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  • Average Low 2020–2025

    31.8 °F

  • Average 2020–2025

    43.8 °F

  • Average High 2020–2025

    56 °F
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