Santa Clara Weather Forecast

    • 35
    • 61

    Becoming Sunny

    • 29
    • 62

    Sunny

    • 30
    • 60

    Sunny

    • 32
    • 61

    Partly Sunny

    • 36
    • 60

    Partly Sunny

    • 34
    • 59

    Mostly Sunny

Today 18 Jan Lower Washington County

Partly cloudy. Highs around 60.

Tonight 18 Jan Lower Washington County

Mostly clear. Lows in the mid 30s.

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Santa Clara Temperature Statistics

January Temperature

St George Municipal Airport (9.9 miles)

  • Lowest 10 January, 2026

    27 °F

  • Average January

    45.3 °F

  • Highest 14 January, 2026

    64.9 °F

Climate (2021–Present)

St George Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    52.7 °F

  • Average 2021–2026

    64.5 °F

  • Average High 2021–2026

    76.5 °F
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