Portage County Fairgrounds Weather Forecast

    • 44
    • 67

    Increasing Clouds

    • 41
    • 61

    Mostly Cloudy

    • 42
    • 61

    Partly Sunny

    • 46
    • 64

    Partly Sunny

    • 48
    • 66

    Mostly Cloudy

    • 49
    • 70

    Partly Sunny

Today 20 Sep Portage

Partly sunny. Highs in the upper 60s. Northeast wind 10 to 15 Mph.

Tonight 20 Sep Portage

Mostly cloudy. Lows in the lower 40s. Northeast wind 10 to 15 Mph.

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Portage County Fairgrounds Temperature Statistics

September Temperature

Stevens Point Municipal Airport (12.4 miles)

  • Lowest 14 September, 2026

    38.8 °F

  • Average September

    67.9 °F

  • Highest 1 September, 2026

    90.7 °F

Climate (2021–2026)

Stevens Point Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    36.7 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    56.3 °F
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