Belvidere Weather Forecast

    • 25
    • 49

    Becoming Sunny

    • 22
    • 55

    Mostly Sunny

    • 26
    • 39

    Mostly Cloudy

    • 20
    • 42

    Partly Sunny

    • 30
    • 47

    Mostly Sunny

    • 28
    • 57

    Partly Sunny

    • 27
    • 53

    Mostly Sunny

Today 30 Dec Thayer

Mostly sunny. Highs in the upper 40s. West Winds around 10 Mph with Gusts to around 20 Mph.

Tonight 30 Dec Thayer

Clear. Lows in the mid 20s. Light Winds.

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Belvidere Temperature Statistics

December Temperature

Hebron, Hebron Municipal Airport (6.8 miles)

  • Lowest 14 December, 2025

    4.3 °F

  • Average December

    34.5 °F

  • Highest 26 December, 2025

    67.5 °F

Climate (2020–Present)

Hebron, Hebron Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    54.2 °F

  • Average High 2020–2025

    66.4 °F
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