Smith Mountain Weather Forecast

    • 72
    • 78

    Rain Showers Likely

    • 68
    • 72

    Rain Showers

    • 63
    • 68

    Chance Rain Showers

    • 64
    • 72

    Mostly Sunny

    • 67
    • 74

    Slight Chance Rain Showers

    • 69
    • 76

    Partly Sunny

    • 65
    • 75

    Slight Chance Rain Showers

Today 17 Sep Eastern San Gabriel Mountains

Partly cloudy. Highs from the 80s to around 90 at low Elevations to the upper 60s to mid 70s at high Elevations.

Tonight 17 Sep Eastern San Gabriel Mountains

Cloudy. A slight chance of Showers in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the mid 60s to mid 70s except the mid to upper 50s Colder Valleys and Slopes. Southwest Winds around 15 Mph in the evening.

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Smith Mountain Temperature Statistics

September Temperature

Brackett Field Airport (13.7 miles)

  • Lowest 9 September, 2025

    59 °F

  • Average September

    81 °F

  • Highest 2 September, 2025

    102.2 °F

Climate (2020–Present)

Brackett Field Airport (13.7 miles)

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  • Average Low 2020–2025

    55.6 °F

  • Average 2020–2025

    67.8 °F

  • Average High 2020–2025

    75.7 °F
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