Lake Tetonkaha Weather Forecast

    • 56
    • 62

    Chance Rain Showers

    • 52
    • 65

    Mostly Cloudy

    • 48
    • 64

    Chance Rain Showers

    • 45
    • 59

    Mostly Cloudy

    • 46
    • 65

    Partly Sunny

    • 50
    • 67

    Chance Rain Showers

    • 52
    • 68

    Partly Sunny

Today 18 Sep Brookings

Partly sunny. Highs around 70.

Tonight 18 Sep Brookings

Cloudy. A chance of Showers, mainly this evening. Patchy fog this Evening, then Areas of fog after midnight. Near steady temperature around 60. Northeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Tetonkaha Temperature Statistics

September Temperature

Brookings, Brookings Municipal Airport (12.4 miles)

  • Lowest 16 September, 2026

    45 °F

  • Average September

    68.8 °F

  • Highest 3 September, 2026

    91 °F

Climate (2021–2026)

Brookings, Brookings Municipal Airport (12.4 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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