Harnett Lake Weather Forecast

    • 50
    • 58

    Rain Showers

    • 39
    • 64

    Gradual Clearing

    • 46
    • 67

    Mostly Cloudy

    • 47
    • 70

    Partly Sunny

    • 51
    • 67

    Chance Rain Showers

    • 47
    • 68

    Chance Rain Showers

    • 45
    • 66

    Chance Rain Showers

Today 14 Sep Central St. Louis

Showers with a slight chance of Thunderstorms. Near steady temperature in the mid 50s. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 14 Sep Central St. Louis

Showers with a slight chance of Thunderstorms this evening. Not as cool with Lows in the upper 40s. South Winds 10 to 15 Mph, becoming southwest after midnight. Gusts up to 30 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harnett Lake Temperature Statistics

September Temperature

Chisholm-Hibbing Airport (8.1 miles)

  • Lowest 10 September, 2026

    40.6 °F

  • Average September

    63.9 °F

  • Highest 6 September, 2026

    82.7 °F

Climate (2021–2026)

Chisholm-Hibbing Airport (8.1 miles)

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  • Average Low 2021–2026

    28 °F

  • Average 2021–2026

    39.7 °F

  • Average High 2021–2026

    50.9 °F
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