Sleepy Valley Weather Forecast

    • 50
    • 67

    Mostly Cloudy

    • 47
    • 62

    Chance Rain Showers

    • 47
    • 61

    Partly Sunny

    • 43
    • 62

    Mostly Sunny

    • 44
    • 60

    Partly Sunny

    • 45
    • 61

    Mostly Sunny

Today 21 Jan Western San Gabriel Mountains and Highway 14 Corridor

Mostly cloudy. Highs from the mid to upper 60s at low Elevations to the mid 50s to around 60 at high Elevations. Northeast Winds around 15 Mph in the morning.

Tonight 21 Jan Western San Gabriel Mountains and Highway 14 Corridor

Mostly cloudy. Lows in the mid 40s to mid 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sleepy Valley Temperature Statistics

January Temperature

Los Angeles, Whiteman Airport (18 miles)

  • Lowest 7 January, 2026

    51.8 °F

  • Average January

    65.7 °F

  • Highest 14 January, 2026

    84.2 °F

Climate (2021–Present)

Los Angeles, Whiteman Airport (18 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    60 °F

  • Average 2021–2026

    69.9 °F

  • Average High 2021–2026

    76.1 °F
Get WillyWeather+ to remove ads