Johnston Lake Weather Forecast

    • 64
    • 96

    Mostly Sunny

    • 71
    • 95

    Mostly Sunny

    • 62
    • 95

    Mostly Sunny

    • 60
    • 88

    Mostly Cloudy

    • 58
    • 80

    Chance Rain Showers

    • 52
    • 75

    Rain Showers Likely

Today 25 Apr Young

Sunny. Highs in the mid 90s. Southwest Winds around 10 Mph.

Tonight 25 Apr Young

Mostly clear. A slight chance of Thunderstorms in the evening. Some Thunderstorms may be severe with damaging Winds and large hail. Lows in the mid 60s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnston Lake Temperature Statistics

April Temperature

Graham, Graham Municipal Airport (8.7 miles)

  • Lowest 19 April, 2026

    35.4 °F

  • Average April

    68.1 °F

  • Highest 1 April, 2026

    87.4 °F

Climate (2021–Present)

Graham, Graham Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    53.1 °F

  • Average 2021–2026

    65.4 °F

  • Average High 2021–2026

    78.1 °F
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