Altadena Weather Forecast

    • 59
    • 84

    Sunny

    • 61
    • 84

    Increasing Clouds

    • 64
    • 87

    Partly Sunny

    • 60
    • 88

    Partly Sunny

    • 59
    • 81

    Mostly Cloudy

    • 55
    • 70

    Chance Rain

    • 54
    • 69

    Slight Chance Rain

Today 26 Mar Los Angeles County San Gabriel Valley

Areas of low Clouds and fog in the morning then sunny. Highs in the mid 80s.

Tonight 26 Mar Los Angeles County San Gabriel Valley

Clear except for patchy low Clouds and fog after midnight. Lows in the mid 50s to around 60.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Altadena Temperature Statistics

March Temperature

El Monte (8.7 miles)

  • Lowest 11 March, 2026

    53.6 °F

  • Average March

    75.7 °F

  • Highest 20 March, 2026

    98.6 °F

Climate (2021–Present)

El Monte (8.7 miles)

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

  • Average Low 2021–2026

    59.7 °F

  • Average 2021–2026

    70.5 °F

  • Average High 2021–2026

    77.2 °F
Get WillyWeather+ to remove ads