Blue Knob Valley Airport Weather Forecast

    • 53
    • 73

    Gradual Clearing

    • 58
    • 79

    Partly Sunny

    • 63
    • 83

    Partly Sunny

    • 56
    • 80

    Chance Rain Showers

    • 53
    • 68

    Chance Rain Showers

    • 48
    • 68

    Chance Rain Showers

Today 29 Sep Blair

Mostly cloudy in the Morning, then becoming partly sunny. Patchy fog in the morning. Highs in the lower 70s. Northwest Winds around 5 Mph.

Tonight 29 Sep Blair

Partly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the lower 50s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blue Knob Valley Airport Temperature Statistics

September Temperature

Altoona - Blair County Airport (9.3 miles)

  • Lowest 25 September, 2026

    36.6 °F

  • Average September

    66.6 °F

  • Highest 1 September, 2026

    90.6 °F

Climate (2021–2026)

Altoona - Blair County Airport (9.3 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    62.2 °F
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