Altoona Weather Forecast

    • 61
    • 80

    Chance Thunderstorms

    • 49
    • 67

    Rain Showers Likely

    • 45
    • 63

    Partly Sunny

    • 46
    • 67

    Chance Rain Showers

    • 39
    • 61

    Mostly Sunny

    • 45
    • 64

    Mostly Sunny

    • 44
    • 67

    Partly Sunny

Today 25 Sep Eau Claire

Mostly cloudy. A 50 percent chance of Showers and Thunderstorms. Highs in the lower 80s. Temperatures falling into the mid 70s in the afternoon. Northwest Winds around 5 Mph.

Tonight 25 Sep Eau Claire

Cloudy. A chance of Showers and a slight chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the lower 60s. North Winds around 5 Mph shifting to the south after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Altoona Temperature Statistics

September Temperature

Eau Claire, Chippewa Valley Regional Airport (4.3 miles)

  • Lowest 1 September, 2017

    42.1 °F
  • Average September

    63.8 °F
  • Highest 22 September, 2017

    91.9 °F

Climate (2010–Present)

Eau Claire, Chippewa Valley Regional Airport (4.3 miles)

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  • Average Low 2010–Present

    35.6 °F
  • Average 2010–Present

    45.6 °F
  • Average High 2010–Present

    54.8 °F
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