Richmond Weather Forecast

    • 55
    • 80

    Mostly Sunny

    • 53
    • 80

    Partly Sunny

    • 53
    • 80

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 57
    • 82

    Partly Sunny

    • 54
    • 79

    Slight Chance Rain Showers

Today 14 Sep Macomb

Areas of fog in the morning. Mostly sunny. Highs in the lower 80s. East Winds up to 10 Mph.

Tonight 14 Sep Macomb

Mostly clear. Areas of fog after midnight. Lows in the mid 50s. Northeast Winds up to 5 Mph.

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Richmond Temperature Statistics

September Temperature

St Clair County International Airport (13 miles)

  • Lowest 7 September, 2025

    37.4 °F

  • Average September

    58.1 °F

  • Highest 3 September, 2025

    80.6 °F

Climate (2020–Present)

St Clair County International Airport (13 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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