San Dimas Weather Forecast

    • 73
    • 100

    Hot

    • 75
    • 100

    Hot

    • 73
    • 97

    Hot

    • 73
    • 98

    Hot

    • 72
    • 98

    Hot

    • 71
    • 98

    Hot

Today 3 Oct Los Angeles County San Gabriel Valley

Sunny. Highs 98 to 105.

Tonight 3 Oct Los Angeles County San Gabriel Valley

Mostly clear. Lows in the lower to mid 70s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Dimas Temperature Statistics

October Temperature

Brackett Field Airport (1.9 miles)

  • Lowest 1 October, 2026

    64.4 °F

  • Average October

    79.8 °F

  • Highest 1 October, 2026

    89.6 °F

Climate (2021–2026)

Brackett Field Airport (1.9 miles)

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

  • Average Low 2021–2026

    56.1 °F

  • Average 2021–2026

    68.1 °F

  • Average High 2021–2026

    76 °F
Get WillyWeather+ to remove ads