Johnson Lake Weather Forecast

    • 64
    • 74

    Mostly Cloudy

    • 57
    • 81

    Chance Rain Showers

    • 54
    • 78

    Mostly Sunny

    • 60
    • 81

    Chance Thunderstorms

    • 56
    • 79

    Rain Showers Likely

    • 53
    • 75

    Slight Chance Thunderstorms

    • 56
    • 75

    Slight Chance Thunderstorms

Today 14 Aug Brookings

Mostly cloudy with a chance of Sprinkles with a slight chance of Thunderstorms. Near steady temperature in the lower 70s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 14 Aug Brookings

Cloudy. A chance of Sprinkles with a slight chance of Thunderstorms this evening. Areas of fog after midnight. Lows in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Lake Temperature Statistics

August Temperature

Brookings, Brookings Municipal Airport (13.7 miles)

  • Lowest 5 August, 2026

    46 °F

  • Average August

    70.6 °F

  • Highest 3 August, 2026

    86 °F

Climate (2021–2026)

Brookings, Brookings Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    55.6 °F
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