St. Croix Riviera Airport Weather Forecast

    • 65
    • 84

    Rain Showers Likely

    • 63
    • 78

    Rain Showers Likely

    • 59
    • 73

    Rain Showers Likely

    • 60
    • 74

    Chance Thunderstorms

    • 61
    • 78

    Chance Thunderstorms

    • 55
    • 77

    Chance Rain Showers

    • 53
    • 72

    Mostly Sunny

Today 17 Sep Pierce

Mostly sunny. A 20 percent chance of Thunderstorms late in the afternoon. Highs in the lower 80s. South Winds up to 5 Mph.

Tonight 17 Sep Pierce

Mostly cloudy. Slight chance of Thunderstorms early in the Evening, then chance of Thunderstorms until early morning. Chance of Showers and slight chance of Thunderstorms late in the night. Lows in the mid 60s. Southeast Winds up to 5 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Croix Riviera Airport Temperature Statistics

September Temperature

Lake Elmo Airport (11.8 miles)

  • Lowest 7 September, 2025

    37.4 °F

  • Average September

    61.1 °F

  • Highest 14 September, 2025

    82.4 °F

Climate (2020–Present)

Lake Elmo Airport (11.8 miles)

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  • Average Low 2020–2025

    36.5 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    54.9 °F
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