Lake Forest Weather Forecast

    • 69
    • 83

    Thunderstorms

    • 70
    • 88

    Isolated Thunderstorms

    • 75
    • 93

    Thunderstorms

    • 68
    • 91

    Isolated Thunderstorms

    • 65
    • 86

    Mostly Sunny

    • 66
    • 87

    Partly Sunny

    • 68
    • 88

    Slight Chance Thunderstorms

Today 25 Jul Jefferson

Partly sunny until late Afternoon, then a 20 percent chance of Showers late in the afternoon. Highs in the mid 80s. Light Winds becoming southwest up to 5 Mph in the afternoon.

Tonight 25 Jul Jefferson

Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. Isolated Thunderstorms in the Evening, then isolated Showers after midnight. Patchy fog after midnight. Lows around 70. South Winds up to 5 Mph in the evening becoming light. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Forest Temperature Statistics

July Temperature

Louisville, Bowman Field Airport (9.3 miles)

  • Lowest 23 July, 2026

    57.9 °F

  • Average July

    80.3 °F

  • Highest 2 July, 2026

    94.6 °F

Climate (2021–2026)

Louisville, Bowman Field Airport (9.3 miles)

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  • Average Low 2021–2026

    48.9 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    68.6 °F
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