Twentymile Slough Weather Forecast

    • 31
    • 59

    Chance Rain Showers

    • 32
    • 55

    Chance Rain/Snow

    • 34
    • 57

    Chance Rain

    • 35
    • 62

    Slight Chance Rain

    • 38
    • 67

    Mostly Sunny

    • 41
    • 70

    Mostly Sunny

Today 25 Apr Central and Eastern Lake County

Mostly cloudy late this Morning, then partly cloudy with a slight chance of rain Showers early this afternoon. Mostly cloudy with a slight chance of rain and snow Showers late this afternoon. Highs in the lower to mid 50s. North Winds 10 to 15 Mph.

Tonight 25 Apr Central and Eastern Lake County

Partly cloudy in the evening then clearing. Lows in the mid 20s to lower 30s. North Winds 10 to 15 Mph shifting to the northwest around 5 Mph well after midnight.

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Twentymile Slough Temperature Statistics

April Temperature

Lake County Airport (29.2 miles)

  • Lowest 17 April, 2026

    16 °F

  • Average April

    45.1 °F

  • Highest 6 April, 2026

    70 °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

    61.7 °F
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