Altoona Weather Forecast

    • 77
    • 97

    Thunderstorms Likely

    • 76
    • 97

    Thunderstorms Likely

    • 75
    • 97

    Chance Thunderstorms

    • 75
    • 95

    Thunderstorms Likely

    • 74
    • 94

    Chance Thunderstorms

    • 74
    • 93

    Chance Thunderstorms

Today 18 Aug Northern Lake County

Mostly sunny late in the morning then considerable cloudiness. A chance of Showers and Thunderstorms. Highs in the mid 90s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent. Heat index Values up to 112.

Tonight 18 Aug Northern Lake County

Mostly clear after midnight then becoming clear. Lows in the upper 70s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Altoona Temperature Statistics

August Temperature

Leesburg International Airport (13.7 miles)

  • Lowest 6 August, 2026

    71.7 °F
  • Average August

    84.2 °F
  • Highest 11 August, 2026

    97.6 °F

Climate (2021–2026)

Leesburg International Airport (13.7 miles)

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  • Average Low 2021–2026

    64.6 °F
  • Average 2021–2026

    73.7 °F
  • Average High 2021–2026

    83.6 °F
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