San Augustine Weather Forecast

    • 64
    • 70

    Rain Showers

    • 63
    • 68

    Chance Rain Showers

    • 63
    • 70

    Mostly Sunny

    • 65
    • 72

    Mostly Sunny

    • 66
    • 75

    Slight Chance Rain Showers

    • 64
    • 73

    Mostly Sunny

Today 18 Sep Santa Barbara County Southwestern Coast

Showers likely in the morning then Showers. A slight chance of Thunderstorms. Highs in the 70s to around 80.

Tonight 18 Sep Santa Barbara County Southwestern Coast

Showers likely with a slight chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 50s and 60s. Chance of precipitation 60 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Augustine Temperature Statistics

September Temperature

Lompoc, Lompoc Airport (15.5 miles)

  • Lowest 7 September, 2025

    46.9 °F

  • Average September

    64.8 °F

  • Highest 1 September, 2025

    84 °F

Climate (2020–Present)

Lompoc, Lompoc Airport (15.5 miles)

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

  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    56.9 °F

  • Average High 2020–2025

    67.4 °F
Get WillyWeather+ to remove ads