Pasadena Weather Forecast

    • 53
    • 81

    Mostly Sunny

    • 52
    • 79

    Mostly Sunny

    • 52
    • 73

    Mostly Cloudy

    • 52
    • 72

    Mostly Cloudy

    • 50
    • 72

    Mostly Cloudy

    • 53
    • 68

    Chance Rain

Today 18 Dec Los Angeles County San Gabriel Valley

Partly cloudy except for patchy low Clouds and fog in the morning. Fog locally dense with visibility one quarter mile or less. Highs around 80.

Tonight 18 Dec Los Angeles County San Gabriel Valley

Mostly clear. Lows in the mid to upper 50s.

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Pasadena Temperature Statistics

December Temperature

El Monte (7.5 miles)

  • Lowest 6 December, 2025

    46.4 °F

  • Average December

    68 °F

  • Highest 9 December, 2025

    84.2 °F

Climate (2020–Present)

El Monte (7.5 miles)

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  • Average Low 2020–2025

    59.4 °F

  • Average 2020–2025

    70.2 °F

  • Average High 2020–2025

    76.9 °F
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