St. Thomas Municipal Airport Weather Forecast

    • 43
    • 63

    Decreasing Clouds

    • 42
    • 64

    Mostly Sunny

    • 46
    • 61

    Rain Showers

    • 42
    • 64

    Partly Sunny

    • 44
    • 66

    Chance Rain Showers

    • 48
    • 71

    Mostly Sunny

Today 12 Sep Pembina

Partly sunny. Highs 60 to 65. Breezy. Northwest Winds 15 to 25 Mph.

Tonight 12 Sep Pembina

Partly cloudy. Lows 40 to 45. Northwest Winds 5 to 15 Mph.

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St. Thomas Municipal Airport Temperature Statistics

September Temperature

CAVALIER (13.7 miles)

  • Lowest 2 September, 2026

    53.6 °F

  • Average September

    66.9 °F

  • Highest 10 September, 2026

    84.2 °F

Climate (2021–2026)

CAVALIER (13.7 miles)

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  • Average Low 2021–2026

    30.6 °F

  • Average 2021–2026

    40.4 °F

  • Average High 2021–2026

    49.9 °F
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