Blue Knob Valley Airport Weather Forecast

    • 37
    • 45

    Rain Showers

    • 20
    • 45

    Chance Snow Showers

    • 29
    • 43

    Mostly Cloudy

    • 19
    • 38

    Partly Sunny

    • 23
    • 35

    Mostly Cloudy

    • 30
    • 46

    Chance Rain Showers

Today 18 Dec Blair

Partly sunny. A slight chance of rain in the afternoon. Highs in the lower 40s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 18 Dec Blair

Partly cloudy. Patchy freezing fog. Lows in the mid 20s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blue Knob Valley Airport Temperature Statistics

December Temperature

Altoona - Blair County Airport (9.3 miles)

  • Lowest 9 December, 2025

    7 °F

  • Average December

    25.2 °F

  • Highest 10 December, 2025

    39.9 °F

Climate (2020–Present)

Altoona - Blair County Airport (9.3 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    62.1 °F
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