Foster Field Weather Forecast

    • 59
    • 85

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

    • 62
    • 84

    Chance Rain Showers

    • 60
    • 79

    Chance Rain Showers

    • 60
    • 77

    Chance Thunderstorms

    • 61
    • 78

    Chance Rain Showers

Today 16 Sep Jo Daviess

Sunny. Highs in the mid 80s. Southeast Winds around 5 Mph.

Tonight 16 Sep Jo Daviess

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. East Winds around 5 Mph.

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Foster Field Temperature Statistics

September Temperature

Platteville Municipal Airport (20.5 miles)

  • Lowest 7 September, 2025

    41 °F

  • Average September

    62.7 °F

  • Highest 14 September, 2025

    85.1 °F

Climate (2020–Present)

Platteville Municipal Airport (20.5 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    49.7 °F

  • Average High 2020–2025

    58.5 °F
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