Johnson Lake Weather Forecast

    • 40
    • 54

    Slight Chance Thunderstorms

    • 42
    • 56

    Partly Sunny

    • 43
    • 60

    Mostly Sunny

    • 41
    • 58

    Mostly Sunny

    • 37
    • 54

    Partly Sunny

    • 34
    • 49

    Mostly Cloudy

Today 19 Apr Yosemite NP outside of the valley

Partly sunny in the Morning, then sunny with slight chance of Thunderstorms and snow early in the afternoon. Sunny with slight chance of Thunderstorms late in the afternoon. Highs 44 to 60. Southwest Winds up to 10 Mph. Chance of precipitation 20 percent.

Tonight 19 Apr Yosemite NP outside of the valley

Mostly clear. A 20 percent chance of Thunderstorms in the evening. Lows 29 to 43. North Winds up to 10 Mph shifting to the northeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Lake Temperature Statistics

April Temperature

Mammoth Yosemite Airport (36.7 miles)

  • Lowest 6 April, 2024

    6.6 °F

  • Average April

    39.9 °F

  • Highest 11 April, 2024

    68.2 °F

Climate (2019–Present)

Mammoth Yosemite Airport (36.7 miles)

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  • Average Low 2019–2024

    29.8 °F

  • Average 2019–2024

    46.3 °F

  • Average High 2019–2024

    61 °F
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