Sleepy Valley Weather Forecast

    • 64
    • 95

    Mostly Sunny

    • 64
    • 90

    Slight Chance Rain

    • 55
    • 83

    Mostly Cloudy

    • 51
    • 75

    Patchy Fog

    • 53
    • 74

    Mostly Sunny

    • 54
    • 78

    Mostly Sunny

Today 30 May Western San Gabriel Mountains and Highway 14 Corridor

Sunny. Highs from the lower to mid 90s at low Elevations to the 80s at high Elevations. Northeast Winds 10 to 20 with Gusts to 30 Mph shifting to the south in the afternoon.

Tonight 30 May Western San Gabriel Mountains and Highway 14 Corridor

Mostly clear in the evening then partly cloudy. Lows in the upper 50s to mid 60s. Southwest Winds around 15 Mph in the evening.

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Sleepy Valley Temperature Statistics

May Temperature

Los Angeles, Whiteman Airport (18 miles)

  • Lowest 4 May, 2025

    53.6 °F

  • Average May

    70.4 °F

  • Highest 10 May, 2025

    102.2 °F

Climate (2020–Present)

Los Angeles, Whiteman Airport (18 miles)

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  • Average Low 2020–2025

    60.2 °F

  • Average 2020–2025

    70 °F

  • Average High 2020–2025

    76.2 °F
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