Altoona Weather Forecast

    • 71
    • 90

    Becoming Sunny

    • 71
    • 91

    Slight Chance Thunderstorms

    • 71
    • 91

    Thunderstorms Likely

    • 71
    • 90

    Thunderstorms Likely

    • 71
    • 91

    Rain Showers

    • 72
    • 91

    Rain Showers Likely

Today 17 Sep Northern Lake County

Partly sunny. A slight chance of Showers and Thunderstorms late in the afternoon and towards Sunset. Breezy. Highs in the upper 80s. Northeast Winds 10 to 15 Mph increasing to 15 to 20 Mph late in the afternoon and towards Sunset. Chance of rain 20 percent.

Tonight 17 Sep Northern Lake County

Partly cloudy. Lows in the lower 70s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Altoona Temperature Statistics

September Temperature

Leesburg International Airport (13.7 miles)

  • Lowest 10 September, 2026

    74.6 °F

  • Average September

    83.9 °F

  • Highest 6 September, 2026

    94.6 °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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