Riley Weather Forecast

    • 32
    • 54

    Partly Sunny

    • 51
    • 66

    Mostly Cloudy

    • 48
    • 69

    Rain

    • 28
    • 54

    Slight Chance Rain Showers

    • 36
    • 48

    Partly Sunny

    • 43
    • 61

    Mostly Cloudy

Today 13 Mar St. Clair

Not as cool. Mostly sunny in the Morning, then becoming partly cloudy. Highs in the lower 50s. East Winds up to 5 Mph.

Tonight 13 Mar St. Clair

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 30s. Southeast Winds up to 10 Mph.

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Riley Temperature Statistics

March Temperature

St Clair County International Airport (13.7 miles)

  • Lowest 3 March, 2025

    14 °F

  • Average March

    33.7 °F

  • Highest 10 March, 2025

    60.8 °F

Climate (2020–Present)

St Clair County International Airport (13.7 miles)

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  • Average Low 2020–2025

    39.9 °F

  • Average 2020–2025

    49.5 °F

  • Average High 2020–2025

    58.5 °F
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