St. George Weather Forecast

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    Rain Showers

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    • 48

    Rain Showers

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    Chance Rain

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    Rain

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    Chance Rain Showers

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    Chance Rain Showers

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    Chance Rain Showers

Today 20 Sep Pribilof Islands

Widespread rain Showers in the Morning, then numerous rain Showers in the afternoon. Highs in the mid 40s. Northwest wind 20 to 25 Mph.

Tonight 20 Sep Pribilof Islands

Partly cloudy in the evening then becoming mostly cloudy. Scattered rain Showers. Lows in the upper 30s. Northwest wind 15 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St. George Temperature Statistics

September Temperature

St. George, St. George Airport (4.3 miles)

  • Lowest 18 September, 2026

    44.1 °F

  • Average September

    49.3 °F

  • Highest 13 September, 2026

    55.9 °F

Climate (2021–2026)

St. George, St. George Airport (4.3 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    38.7 °F

  • Average High 2021–2026

    42 °F
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