Johnson Lake Weather Forecast

    • 37
    • 57

    Increasing Clouds

    • 42
    • 70

    Mostly Sunny

    • 51
    • 81

    Partly Sunny

    • 39
    • 80

    Rain Showers Likely

    • 28
    • 49

    Rain Showers Likely

    • 24
    • 42

    Chance Snow Showers

Today 19 Apr Eastern Roosevelt

Sunny. Highs in the upper 50s. Southeast wind around 10 Mph.

Tonight 19 Apr Eastern Roosevelt

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 30s. Southeast wind 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Lake Temperature Statistics

April Temperature

Sidney-Richland (47.2 miles)

  • Lowest 17 April, 2026

    17.1 °F

  • Average April

    41.3 °F

  • Highest 11 April, 2026

    80.1 °F

Climate (2021–Present)

Sidney-Richland (47.2 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    44.1 °F

  • Average High 2021–2026

    56.2 °F
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