Jamul Weather Forecast

    • 55
    • 67

    Rain Showers

    • 53
    • 68

    Partly Sunny

    • 55
    • 74

    Mostly Sunny

    • 57
    • 78

    Partly Sunny

    • 57
    • 80

    Mostly Sunny

    • 58
    • 81

    Partly Sunny

Today 22 Oct San Diego County Inland Valleys

Mostly cloudy this morning. Becoming partly cloudy. A chance of Showers. A slight chance of Thunderstorms this afternoon. Highs around 70 in the western Valleys to 60 to 65 near the Foothills. Areas of Winds west 10 Mph. Chance of measurable precipitation 50 percent.

Tonight 22 Oct San Diego County Inland Valleys

Partly cloudy with a slight chance of Showers. Cooler. Lows 49 to 57. Areas of Winds west to 10 Mph in the evening becoming light. Chance of measurable precipitation 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Jamul Temperature Statistics

October Temperature

Gillespie Field Airport (9.3 miles)

  • Lowest 14 October, 2026

    50 °F

  • Average October

    72.2 °F

  • Highest 3 October, 2026

    105.8 °F

Climate (2021–2026)

Gillespie Field Airport (9.3 miles)

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

  • Average Low 2021–2026

    53.7 °F

  • Average 2021–2026

    60.8 °F

  • Average High 2021–2026

    76.5 °F
Get WillyWeather+ to remove ads