Lake Tetonkaha Weather Forecast

    • 57
    • 72

    Chance Rain Showers

    • 55
    • 68

    Chance Thunderstorms

    • 54
    • 72

    Slight Chance Thunderstorms

    • 57
    • 78

    Slight Chance Thunderstorms

    • 53
    • 77

    Slight Chance Thunderstorms

    • 52
    • 70

    Partly Sunny

Today 18 Sep Brookings

Mostly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature around 70. South Winds around 10 Mph. Chance of rain 20 percent.

Tonight 18 Sep Brookings

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers this Evening, then a chance of Showers after midnight. Lows in the upper 50s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Tetonkaha Temperature Statistics

September Temperature

Brookings, Brookings Municipal Airport (12.4 miles)

  • Lowest 7 September, 2025

    36 °F

  • Average September

    58.2 °F

  • Highest 2 September, 2025

    79 °F

Climate (2020–Present)

Brookings, Brookings Municipal Airport (12.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    35.1 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    55.4 °F
Get WillyWeather+ to remove ads