Spencer Weather Forecast

    • 24
    • 38

    Mostly Cloudy

    • 30
    • 44

    Mostly Cloudy

    • 32
    • 41

    Mostly Cloudy

    • 31
    • 42

    Mostly Cloudy

    • 12
    • 45

    Mostly Cloudy

    • 11
    • 24

    Mostly Sunny

Today 23 Dec Clay

Mostly sunny. Highs in the upper 30s. Temperature falling into the mid 30s in the afternoon. North Winds 5 to 10 Mph, becoming northeast in the afternoon.

Tonight 23 Dec Clay

Mostly cloudy. Lows in the upper 20s. Northwest Winds around 10 Mph.

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Spencer Temperature Statistics

December Temperature

Spencer Municipal Airport (3.1 miles)

  • Lowest 4 December, 2025

    -16.1 °F

  • Average December

    17.4 °F

  • Highest 9 December, 2025

    41 °F

Climate (2020–Present)

Spencer Municipal Airport (3.1 miles)

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  • Average Low 2020–2025

    37.7 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    60.7 °F
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