Duncansville Weather Forecast

    • 57
    • 78

    Slight Chance Rain Showers

    • 60
    • 81

    Mostly Cloudy

    • 58
    • 82

    Mostly Cloudy

    • 50
    • 79

    Mostly Sunny

    • 50
    • 75

    Partly Sunny

    • 49
    • 74

    Partly Sunny

Today 25 May Blair

Mostly cloudy. Patchy fog this morning. Showers Likely, mainly this morning. Much warmer with Highs in the upper 70s. West Winds around 5 Mph, becoming northwest this afternoon. Chance of rain 70 percent.

Tonight 25 May Blair

Mostly cloudy. Patchy fog after midnight. Lows in the mid 50s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duncansville Temperature Statistics

May Temperature

Altoona - Blair County Airport (9.9 miles)

  • Lowest 3 May, 2026

    31.6 °F

  • Average May

    56.9 °F

  • Highest 18 May, 2026

    92.6 °F

Climate (2021–Present)

Altoona - Blair County Airport (9.9 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    62.2 °F
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