Riley Field Weather Forecast

    • 22
    • 36

    Increasing Clouds

    • 40
    • 46

    Mostly Cloudy

    • 32
    • 52

    Mostly Cloudy

    • 50
    • 57

    Chance Rain

    • 45
    • 63

    Mostly Cloudy

    • 34
    • 53

    Mostly Cloudy

Today 21 Dec Fountain

Sunny, cooler with Highs in the mid 30s. Northwest Winds around 5 Mph, becoming southeast around 5 Mph this afternoon.

Tonight 21 Dec Fountain

Mostly clear through Midnight, then becoming partly cloudy. Cold with Lows in the lower 20s. Southeast Winds 5 to 10 Mph.

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Riley Field Temperature Statistics

December Temperature

Lafayette, Purdue University Airport (16.2 miles)

  • Lowest 14 December, 2025

    -8 °F

  • Average December

    24.7 °F

  • Highest 18 December, 2025

    54 °F

Climate (2020–Present)

Lafayette, Purdue University Airport (16.2 miles)

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  • Average Low 2020–2025

    44.1 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    64.1 °F
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