Johnson Lake Weather Forecast

    • 58
    • 64

    Drizzle

    • 55
    • 71

    Mostly Cloudy

    • 58
    • 70

    Mostly Cloudy

    • 52
    • 67

    Chance Rain Showers

    • 52
    • 68

    Partly Sunny

    • 48
    • 64

    Partly Sunny

Today 26 Sep Brookings

Cloudy with Areas of drizzle. Patchy fog. A slight chance of Showers in the afternoon. Highs in the mid 60s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 26 Sep Brookings

Cloudy. A chance of Showers in the evening. Areas of fog after midnight. Lows in the upper 50s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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Johnson Lake Temperature Statistics

September Temperature

Brookings, Brookings Municipal Airport (13.7 miles)

  • Lowest 16 September, 2026

    45 °F

  • Average September

    65.7 °F

  • Highest 3 September, 2026

    91 °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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