Twentymile Slough Weather Forecast

    • 49
    • 86

    Mostly Sunny

    • 52
    • 90

    Mostly Sunny

    • 53
    • 92

    Sunny

    • 53
    • 89

    Sunny

    • 55
    • 91

    Mostly Sunny

    • 50
    • 85

    Slight Chance Thunderstorms

Today 14 Jun Central and Eastern Lake County

Sunny. Highs in the lower to mid 80s. Northeast Winds 5 to 10 Mph.

Tonight 14 Jun Central and Eastern Lake County

Clear. Lows in the lower to mid 40s. North Winds 10 to 15 Mph.

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  • Temperature Real-Time

Twentymile Slough Temperature Statistics

June Temperature

Lake County Airport (29.2 miles)

  • Lowest 7 June, 2026

    32 °F

  • Average June

    57.3 °F

  • Highest 11 June, 2026

    81 °F

Climate (2021–Present)

Lake County Airport (29.2 miles)

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  • Average Low 2021–2026

    34.1 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    61.6 °F
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