Whittier Narrows Dam County Recreational Area Weather Forecast

    • 38
    • 58

    Rain

    • 40
    • 59

    Mostly Sunny

    • 44
    • 66

    Partly Sunny

    • 48
    • 71

    Partly Sunny

    • 53
    • 73

    Mostly Cloudy

    • 54
    • 72

    Chance Rain

Today 19 Feb Los Angeles County San Gabriel Valley

Rain likely in the Morning, then rain in the afternoon. Highs in the lower to mid 50s. Southeast Winds 15 to 25 Mph shifting to the south 20 to 30 Mph in the afternoon. Gusts to 40 Mph.

Tonight 19 Feb Los Angeles County San Gabriel Valley

Mostly cloudy with a 20 percent chance of Showers in the Evening, becoming partly cloudy after midnight. Lows in the mid to upper 30s. West Winds around 15 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Whittier Narrows Dam County Recreational Area Temperature Statistics

February Temperature

El Monte (3.1 miles)

  • Lowest 13 February, 2026

    48.2 °F

  • Average February

    68.1 °F

  • Highest 4 February, 2026

    87.8 °F

Climate (2021–Present)

El Monte (3.1 miles)

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  • Average Low 2021–2026

    59.5 °F

  • Average 2021–2026

    70.4 °F

  • Average High 2021–2026

    77 °F
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