Clark Lake Weather Forecast

    • 56
    • 78

    Sunny

    • 60
    • 84

    Sunny

    • 65
    • 90

    Mostly Sunny

    • 67
    • 91

    Partly Sunny

    • 67
    • 91

    Mostly Sunny

    • 66
    • 92

    Mostly Sunny

Today 20 Aug John Day Basin

Sunny. Highs in the lower to mid 80s. Light Wind, becoming northwest 5 to 10 Mph in the afternoon.

Tonight 20 Aug John Day Basin

Clear. Lows in the 50s. North wind 5 to 10 Mph in the Evening, becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Clark Lake Temperature Statistics

August Temperature

Grant County Regional Airport (59.7 miles)

  • Lowest 8 August, 2025

    43.9 °F

  • Average August

    69.6 °F

  • Highest 12 August, 2025

    98.6 °F

Climate (2020–Present)

Grant County Regional Airport (59.7 miles)

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

  • Average Low 2020–2025

    39.1 °F

  • Average 2020–2025

    50.4 °F

  • Average High 2020–2025

    62.2 °F
Get WillyWeather+ to remove ads