Johnson Lake Weather Forecast

    • 31
    • 61

    Chance Rain Showers

    • 41
    • 69

    Mostly Sunny

    • 48
    • 79

    Sunny

    • 49
    • 85

    Chance Rain Showers

    • 40
    • 66

    Chance Rain Showers

    • 42
    • 65

    Chance Rain Showers

Today 1 May Eastern Roosevelt

Showers likely in the Morning, then partly sunny with a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the lower 60s. Northwest wind 15 to 20 Mph. Chance of rain 60 percent.

Tonight 1 May Eastern Roosevelt

Mostly clear. Lows in the lower 30s. North wind 10 to 15 Mph in the Evening, becoming light and variable.

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Johnson Lake Temperature Statistics

May Temperature

Sidney-Richland (47.2 miles)

  • Lowest

  • Average May

  • Highest

Climate (2020–Present)

Sidney-Richland (47.2 miles)

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  • Average Low 2020–2025

    31.6 °F
  • Average 2020–2025

    43.9 °F
  • Average High 2020–2025

    56.3 °F
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