Twenty Lake Weather Forecast

    • 61
    • 82

    Slight Chance Thunderstorms

    • 59
    • 79

    Chance Thunderstorms

    • 56
    • 69

    Chance Thunderstorms

    • 55
    • 66

    Chance Rain Showers

    • 55
    • 67

    Chance Rain Showers

    • 56
    • 70

    Slight Chance Rain Showers

Today 16 Sep South Aitkin

Sunny, hot with Highs in the mid 80s. South Winds 5 to 10 Mph.

Tonight 16 Sep South Aitkin

Mostly clear in the Evening, then becoming partly cloudy. A slight chance of Showers and Thunderstorms. Patchy fog after midnight. Humid with Lows in the upper 50s. Southwest Winds around 5 Mph, becoming north after midnight. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Twenty Lake Temperature Statistics

September Temperature

Aitkin Municipal Airport - Steve Kurtz Field (14.3 miles)

  • Lowest 7 September, 2025

    33.8 °F

  • Average September

    57.1 °F

  • Highest 13 September, 2025

    80.6 °F

Climate (2020–Present)

Aitkin Municipal Airport - Steve Kurtz Field (14.3 miles)

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

  • Average Low 2020–2025

    31.5 °F

  • Average 2020–2025

    42.8 °F

  • Average High 2020–2025

    52.9 °F
Get WillyWeather+ to remove ads