Charter Oak Weather Forecast

    • 43
    • 59

    Becoming Sunny

    • 45
    • 64

    Partly Sunny

    • 47
    • 69

    Partly Sunny

    • 47
    • 71

    Mostly Sunny

    • 49
    • 72

    Mostly Cloudy

    • 48
    • 65

    Chance Rain

Today 30 Jan Los Angeles County San Gabriel Valley

Cloudy in the morning then sunny. Highs in the mid 50s to around 60.

Tonight 30 Jan Los Angeles County San Gabriel Valley

Mostly clear. Lows in the 40s.

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Charter Oak Temperature Statistics

January Temperature

Brackett Field Airport (3.7 miles)

  • Lowest 21 January, 2025

    37.4 °F

  • Average January

    57.7 °F

  • Highest 2 January, 2025

    80.6 °F

Climate (2020–Present)

Brackett Field Airport (3.7 miles)

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  • Average Low 2020–2025

    55.6 °F

  • Average 2020–2025

    67.7 °F

  • Average High 2020–2025

    75.5 °F
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