Altoona Weather Forecast

    • 64
    • 81

    Rain Showers Likely

    • 64
    • 78

    Rain Showers

    • 53
    • 78

    Mostly Sunny

    • 56
    • 78

    Mostly Sunny

    • 60
    • 82

    Chance Rain Showers

    • 53
    • 77

    Chance Rain Showers

Today 7 Sep Eau Claire

Mostly sunny. Highs around 80. South Winds 5 to 15 Mph.

Tonight 7 Sep Eau Claire

Mostly cloudy. A 50 percent chance of Thunderstorms after midnight. Lows in the lower 60s. Southeast Winds 5 to 15 Mph.

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  • Temperature Real-Time

Altoona Temperature Statistics

September Temperature

Chippewa Valley Regional Airport (4.3 miles)

  • Lowest 1 September, 2026

    61.6 °F
  • Average September

    74.9 °F
  • Highest 1 September, 2026

    89.7 °F

Climate (2021–2026)

Chippewa Valley Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    36.9 °F
  • Average 2021–2026

    47.1 °F
  • Average High 2021–2026

    57.1 °F
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