Arnold Field Weather Forecast

    • 57
    • 79

    Slight Chance Rain Showers

    • 53
    • 68

    Partly Sunny

    • 54
    • 72

    Mostly Cloudy

    • 60
    • 80

    Chance Rain Showers

    • 58
    • 75

    Rain Showers Likely

    • 57
    • 77

    Chance Rain Showers

Today 18 Sep Sanilac

Mostly sunny in the Morning, then partly cloudy with a slight chance of Showers early in the afternoon. Partly cloudy with a slight chance of Showers and Thunderstorms in the late afternoon. Highs around 80. Temperatures falling into the in the upper 60s in the afternoon. Northwest Winds 5 to 10 Mph, becoming northeast 5 to 15 Mph in the late afternoon. Chance of rain 20 percent.

Tonight 18 Sep Sanilac

Mostly cloudy. Lows in the mid 50s. Northeast Winds 5 to 10 Mph.

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Arnold Field Temperature Statistics

September Temperature

St Clair County International Airport (26.7 miles)

  • Lowest 7 September, 2025

    37.4 °F
  • Average September

    59.3 °F
  • Highest 3 September, 2025

    80.6 °F

Climate (2020–Present)

St Clair County International Airport (26.7 miles)

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  • Average Low 2020–2025

    40 °F
  • Average 2020–2025

    49.5 °F
  • Average High 2020–2025

    58.6 °F
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