St George Weather Forecast

    • 40
    • 55

    Chance Rain Showers

    • 38
    • 55

    Partly Sunny

    • 36
    • 53

    Partly Sunny

    • 30
    • 54

    Mostly Sunny

    • 28
    • 51

    Mostly Sunny

    • 29
    • 53

    Mostly Sunny

Today 5 Jan Lower Washington County

Partly sunny with a chance of rain Showers and a slight chance of Thunderstorms in the Morning, then partly cloudy in the afternoon. Highs in the mid 50s. Chance of precipitation 30 percent.

Tonight 5 Jan Lower Washington County

Partly cloudy in the evening then becoming mostly cloudy. Lows around 40.

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St George Temperature Statistics

January Temperature

St George Municipal Airport (5 miles)

  • Lowest 1 January, 2026

    42.1 °F

  • Average January

    47.3 °F

  • Highest 2 January, 2026

    57.9 °F

Climate (2021–Present)

St George Municipal Airport (5 miles)

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  • Average Low 2021–2026

    52.6 °F

  • Average 2021–2026

    64.4 °F

  • Average High 2021–2026

    76.5 °F
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