Johnstone Dam Weather Forecast

    • 42
    • 65

    Partly Sunny

    • 22
    • 51

    Chance Snow

    • 17
    • 37

    Partly Sunny

    • 25
    • 46

    Mostly Sunny

    • 38
    • 62

    Mostly Sunny

    • 41
    • 72

    Mostly Sunny

Today 15 Apr Golden Valley

Mostly sunny. Highs in the upper 60s. West Winds 5 to 15 Mph.

Tonight 15 Apr Golden Valley

Decreasing Clouds. Lows around 40. South Winds 5 to 10 Mph, becoming southwest after midnight.

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Johnstone Dam Temperature Statistics

April Temperature

BEACH (12.4 miles)

  • Lowest 9 April, 2026

    14 °F

  • Average April

    38.7 °F

  • Highest 11 April, 2026

    78.8 °F

Climate (2021–Present)

BEACH (12.4 miles)

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  • Average Low 2021–2026

    31.2 °F

  • Average 2021–2026

    43.7 °F

  • Average High 2021–2026

    55.5 °F
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