Santa Clara Weather Forecast

    • 70
    • 96

    Mostly Sunny

    • 70
    • 94

    Mostly Sunny

    • 67
    • 95

    Mostly Sunny

    • 65
    • 93

    Sunny

    • 64
    • 94

    Hot

    • 64
    • 95

    Hot

Today 14 Sep Lower Washington County

Sunny. Highs in the mid 90s.

Tonight 14 Sep Lower Washington County

Mostly clear. Lows around 70.

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Santa Clara Temperature Statistics

September Temperature

St George Municipal Airport (9.9 miles)

  • Lowest 7 September, 2026

    62.1 °F

  • Average September

    82.9 °F

  • Highest 10 September, 2026

    102.9 °F

Climate (2021–2026)

St George Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    76.8 °F
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