Byron Weather Forecast

    • 18
    • 38

    Mostly Cloudy

    • 4
    • 24

    Mostly Cloudy

    • 17
    • 25

    Mostly Sunny

    • 24
    • 48

    Mostly Sunny

    • 31
    • 53

    Partly Sunny

    • 30
    • 56

    Partly Sunny

Today 12 Dec Thayer

Mostly cloudy in the morning then becoming partly cloudy. Highs in the upper 30s. North Winds around 10 Mph.

Tonight 12 Dec Thayer

Mostly cloudy. Lows around 18. Light Winds then becoming east around 10 Mph after midnight.

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Byron Temperature Statistics

December Temperature

Hebron, Hebron Municipal Airport (13.7 miles)

  • Lowest 2 December, 2025

    9.1 °F

  • Average December

    30.2 °F

  • Highest 9 December, 2025

    61.5 °F

Climate (2020–Present)

Hebron, Hebron Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    66.3 °F
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