San Gabriel Reservoir Weather Forecast

    • 49
    • 76

    Decreasing Clouds

    • 46
    • 70

    Chance Rain Showers

    • 45
    • 65

    Rain Likely

    • 39
    • 60

    Chance Rain

    • 40
    • 63

    Mostly Sunny

    • 45
    • 70

    Mostly Sunny

Today 9 Apr Eastern San Gabriel Mountains

Partly cloudy in the morning then mostly cloudy. Highs from the mid 60s to mid 70s at low Elevations to the mid 50s to around 60 at high Elevations. Northwest Winds around 15 Mph shifting to the southwest in the afternoon.

Tonight 9 Apr Eastern San Gabriel Mountains

Mostly cloudy in the evening then partly cloudy. Lows in the upper 40s to mid 50s except around 40 Colder Valleys and Slopes. Southwest Winds 15 to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Gabriel Reservoir Temperature Statistics

April Temperature

Brackett Field Airport (9.3 miles)

  • Lowest 3 April, 2026

    50 °F

  • Average April

    70.1 °F

  • Highest 4 April, 2026

    86 °F

Climate (2021–Present)

Brackett Field Airport (9.3 miles)

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

  • Average Low 2021–2026

    55.9 °F

  • Average 2021–2026

    68 °F

  • Average High 2021–2026

    76 °F
Get WillyWeather+ to remove ads