Lake Forest Weather Forecast

    • 36
    • 58

    Increasing Clouds

    • 37
    • 62

    Mostly Cloudy

    • 42
    • 62

    Mostly Cloudy

    • 42
    • 62

    Partly Sunny

    • 38
    • 71

    Sunny

    • 39
    • 61

    Mostly Sunny

Today 10 Jan Williamson

Mostly sunny. Cooler with Highs in the upper 50s. North Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 10 Jan Williamson

Partly cloudy. Lows in the mid 30s. North Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Forest Temperature Statistics

January Temperature

Austin Executive Airport (8.1 miles)

  • Lowest 1 January, 2026

    39.2 °F

  • Average January

    64.3 °F

  • Highest 2 January, 2026

    87.8 °F

Climate (2021–Present)

Austin Executive Airport (8.1 miles)

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  • Average Low 2021–2026

    59.5 °F

  • Average 2021–2026

    69.3 °F

  • Average High 2021–2026

    80.2 °F
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