Johnstone Dam Weather Forecast

    • 32
    • 56

    Rain Showers Likely

    • 39
    • 63

    Mostly Sunny

    • 46
    • 73

    Sunny

    • 49
    • 78

    Mostly Sunny

    • 38
    • 66

    Chance Rain Showers

    • 39
    • 61

    Partly Sunny

    • 46
    • 70

    Partly Sunny

Today 1 May Golden Valley

Mostly cloudy with scattered Showers late in the Morning, then partly sunny with numerous Showers and isolated Thunderstorms in the afternoon. Highs in the upper 50s. North Winds 15 to 25 Mph. Chance of rain 60 percent.

Tonight 1 May Golden Valley

Mostly clear. Lows in the lower 30s. Northwest Winds 5 to 10 Mph.

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Johnstone Dam Temperature Statistics

May Temperature

BEACH (12.4 miles)

  • Lowest

  • Average May

  • Highest

Climate (2020–Present)

BEACH (12.4 miles)

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  • Average Low 2020–2025

    30.8 °F
  • Average 2020–2025

    43.4 °F
  • Average High 2020–2025

    55.3 °F
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