Willow Slough State Game Preserve Weather Forecast

    • 56
    • 85

    Mostly Sunny

    • 56
    • 85

    Mostly Sunny

    • 61
    • 87

    Partly Sunny

    • 61
    • 86

    Chance Rain Showers

    • 61
    • 82

    Chance Rain Showers

    • 61
    • 80

    Chance Rain Showers

Today 16 Sep Newton

Mostly sunny. Highs in the mid 80s. Northeast Winds 5 to 10 Mph.

Tonight 16 Sep Newton

Mostly clear. Lows in the mid 50s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Willow Slough State Game Preserve Temperature Statistics

September Temperature

Rensselaer Jasper County Airport (16.8 miles)

  • Lowest 8 September, 2025

    37.4 °F

  • Average September

    59.8 °F

  • Highest 12 September, 2025

    82.4 °F

Climate (2020–Present)

Rensselaer Jasper County Airport (16.8 miles)

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  • Average Low 2020–2025

    41.3 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    60.3 °F
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