El Cajon Mountain Weather Forecast

    • 41
    • 51

    Chance Rain Showers

    • 39
    • 51

    Chance Rain Showers

    • 38
    • 53

    Mostly Sunny

    • 44
    • 60

    Mostly Sunny

    • 49
    • 66

    Mostly Sunny

    • 51
    • 71

    Mostly Sunny

    • 49
    • 73

    Partly Sunny

Today 28 Jan San Diego County Inland Valleys

Partly cloudy. A slight chance of Showers this afternoon. Highs around 59 in the western Valleys to 52 to 56 near the Foothills. Areas of Winds west to 10 Mph. Chance of measurable precipitation 20 percent.

Tonight 28 Jan San Diego County Inland Valleys

Partly cloudy with a slight chance of Showers this Evening, then cloudy with a chance of Showers overnight. Lows 33 to 43 in wind Sheltered Areas to 40 to 46 in warmer Locations. Areas of Winds south 10 Mph. Chance of measurable precipitation 50 percent.

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El Cajon Mountain Temperature Statistics

January Temperature

Ramona, Ramona Airport (9.9 miles)

  • Lowest 17 January, 2025

    32 °F

  • Average January

    59 °F

  • Highest 2 January, 2025

    84 °F

Climate (2020–Present)

Ramona, Ramona Airport (9.9 miles)

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  • Average Low 2020–2025

    51 °F

  • Average 2020–2025

    63.8 °F

  • Average High 2020–2025

    76.5 °F
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