Sleepy Valley Weather Forecast

    • 49
    • 72

    Increasing Clouds

    • 50
    • 72

    Partly Sunny

    • 53
    • 76

    Mostly Sunny

    • 42
    • 65

    Slight Chance Rain

    • 44
    • 55

    Mostly Cloudy

    • 45
    • 59

    Partly Sunny

Today 30 Apr Western San Gabriel Mountains and Highway 14 Corridor

Partly cloudy. Highs from the upper 60s to mid 70s at low Elevations to the upper 50s to mid 60s at high Elevations. Southwest Winds 15 to 25 Mph.

Tonight 30 Apr Western San Gabriel Mountains and Highway 14 Corridor

Partly cloudy except for patchy low Clouds and fog after midnight. Lows in the 40s to around 50. Southwest Winds 15 to 25 Mph in the evening.

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Sleepy Valley Temperature Statistics

April Temperature

Los Angeles, Whiteman Airport (18 miles)

  • Lowest 3 April, 2025

    48.2 °F

  • Average April

    65.9 °F

  • Highest 10 April, 2025

    86 °F

Climate (2020–Present)

Los Angeles, Whiteman Airport (18 miles)

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  • Average Low 2020–2025

    60.3 °F

  • Average 2020–2025

    70.1 °F

  • Average High 2020–2025

    76.3 °F
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