Brimson Weather Forecast

    • 48
    • 60

    Slight Chance Thunderstorms

    • 48
    • 59

    Rain Showers Likely

    • 52
    • 64

    Rain Showers Likely

    • 52
    • 70

    Chance Thunderstorms

    • 52
    • 72

    Chance Rain Showers

    • 49
    • 68

    Slight Chance Rain Showers

Today 18 Sep Central St. Louis

Cloudy with a 20 percent chance of Showers. Cooler with Highs in the mid 60s. East Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 18 Sep Central St. Louis

A slight chance of Thunderstorms in the evening. Mostly cloudy with a slight chance of Showers. Lows in the lower 50s. East Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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Brimson Temperature Statistics

September Temperature

Two Harbors (16.2 miles)

  • Lowest 6 September, 2025

    33.8 °F

  • Average September

    54.2 °F

  • Highest 1 September, 2025

    75.2 °F

Climate (2020–Present)

Two Harbors (16.2 miles)

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  • Average Low 2020–2025

    32.4 °F

  • Average 2020–2025

    42.1 °F

  • Average High 2020–2025

    51.2 °F
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