Swan Weather Forecast

    • 37
    • 47

    Mostly Cloudy

    • 41
    • 47

    Mostly Cloudy

    • 39
    • 54

    Mostly Cloudy

    • 25
    • 59

    Mostly Cloudy

    • 10
    • 32

    Mostly Sunny

    • 13
    • 23

    Mostly Sunny

Today 24 Dec Marion

Cloudy with a slight chance of drizzle. Highs in the upper 40s. Southeast Winds 5 to 10 Mph.

Tonight 24 Dec Marion

Cloudy. Patchy fog in the Evening, then Areas of fog after midnight. Lows in the upper 30s. Northwest Winds around 5 Mph.

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Swan Temperature Statistics

December Temperature

Knoxville (14.9 miles)

  • Lowest 13 December, 2025

    -5.8 °F

  • Average December

    25.7 °F

  • Highest 22 December, 2025

    51.8 °F

Climate (2020–Present)

Knoxville (14.9 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    62.2 °F
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