Johnson Lake Weather Forecast

    • 67
    • 95

    Mostly Sunny

    • 66
    • 88

    Mostly Sunny

    • 75
    • 94

    Slight Chance Thunderstorms

    • 63
    • 96

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

    • 60
    • 82

    Partly Sunny

    • 63
    • 85

    Partly Sunny

Today 17 Jul Brookings

Sunny. Highs in the mid 90s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 17 Jul Brookings

Mostly clear. Lows in the upper 60s. West Winds 10 to 15 Mph, becoming northeast after midnight. Heat index Values up to 101 early this evening.

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Johnson Lake Temperature Statistics

July Temperature

Brookings, Brookings Municipal Airport (13.7 miles)

  • Lowest 9 July, 2026

    63 °F

  • Average July

    76.2 °F

  • Highest 7 July, 2026

    88 °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

    55.7 °F
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