Williamsburg Weather Forecast

    • 59
    • 79

    Mostly Cloudy

    • 64
    • 83

    Partly Sunny

    • 50
    • 80

    Chance Rain Showers

    • 46
    • 70

    Mostly Cloudy

    • 46
    • 67

    Chance Rain Showers

    • 38
    • 64

    Mostly Sunny

Today 30 Sep Blair

Areas of dense fog this morning. Partly sunny. Highs in the upper 70s. Southwest Winds around 5 Mph.

Tonight 30 Sep Blair

Mostly cloudy. Lows in the upper 50s. Southwest Winds around 5 Mph.

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  • Temperature Real-Time

Williamsburg Temperature Statistics

September Temperature

Altoona - Blair County Airport (12.4 miles)

  • Lowest 25 September, 2026

    36.6 °F

  • Average September

    66.1 °F

  • Highest 1 September, 2026

    90.6 °F

Climate (2021–2026)

Altoona - Blair County Airport (12.4 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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