Pleasanton Weather Forecast

    • 16
    • 45

    Slight Chance Snow

    • 32
    • 37

    Partly Sunny

    • 23
    • 43

    Partly Sunny

    • 30
    • 41

    Mostly Cloudy

    • 38
    • 50

    Partly Sunny

    • 39
    • 56

    Mostly Cloudy

    • 44
    • 59

    Mostly Cloudy

Today 18 Dec Decatur

Partly sunny. A slight chance of snow this afternoon. Breezy with Highs in the mid 40s. Temperature falling into the upper 20s this afternoon. West Winds around 25 Mph with Gusts up to 45 Mph. Chance of snow 20 percent.

Tonight 18 Dec Decatur

Mostly cloudy in the Evening, then clearing. Breezy and much cooler with Lows around 15. Northwest Winds 15 to 25 Mph. Gusts up to 45 Mph, decreasing to 35 Mph after midnight.

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Pleasanton Temperature Statistics

December Temperature

Lamoni, Lamoni Municipal Airport (8.7 miles)

  • Lowest 14 December, 2025

    -4 °F

  • Average December

    23.8 °F

  • Highest 16 December, 2025

    48.9 °F

Climate (2020–Present)

Lamoni, Lamoni Municipal Airport (8.7 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    63.2 °F
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