Black Hammer Weather Forecast

    • 3
    • 12

    Blowing Snow

    • 18
    • 29

    Mostly Cloudy

    • 0
    • 22

    Chance Snow

    • 3
    • 10

    Partly Sunny

    • 6
    • 16

    Mostly Cloudy

    • 9
    • 19

    Mostly Cloudy

Today 29 Dec Houston

Partly sunny. Patchy blowing snow. Blustery and much Colder with Highs around 14. Northwest Winds 15 to 25 Mph. Gusts up to 45 Mph, decreasing to 30 Mph in the afternoon.

Tonight 29 Dec Houston

Partly cloudy. Lows around 3 above. Northwest Winds 10 to 15 Mph.

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Black Hammer Temperature Statistics

December Temperature

Decorah (23 miles)

  • Lowest 14 December, 2025

    -9.4 °F

  • Average December

    20.7 °F

  • Highest 18 December, 2025

    41 °F

Climate (2020–Present)

Decorah (23 miles)

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  • Average Low 2020–2025

    39.4 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    56.6 °F
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