Casselberry Weather Forecast

    • 77
    • 91

    Chance Rain Showers

    • 77
    • 92

    Chance Thunderstorms

    • 77
    • 93

    Thunderstorms Likely

    • 75
    • 92

    Rain Showers Likely

    • 75
    • 90

    Rain Showers Likely

    • 75
    • 90

    Rain Showers Likely

Today 19 Aug Seminole

Mostly sunny late in the morning then becoming partly sunny. A chance of Showers and a slight chance of Thunderstorms. Highs in the lower 90s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent. Heat index Values up to 101.

Tonight 19 Aug Seminole

Clear. Lows in the upper 70s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Casselberry Temperature Statistics

August Temperature

Orlando / Sanford Airport (8.1 miles)

  • Lowest 4 August, 2025

    73.7 °F

  • Average August

    85.7 °F

  • Highest 2 August, 2025

    97.6 °F

Climate (2020–Present)

Orlando / Sanford Airport (8.1 miles)

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  • Average Low 2020–2025

    65.3 °F

  • Average 2020–2025

    74 °F

  • Average High 2020–2025

    83.7 °F
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