Riley Weather Forecast

    • 54
    • 61

    Rain Showers Likely

    • 44
    • 70

    Rain

    • 40
    • 65

    Rain

    • 26
    • 47

    Slight Chance Rain

    • 27
    • 41

    Mostly Cloudy

    • 43
    • 52

    Rain Likely

Today 28 Mar St. Clair

Cloudy. A chance of Showers in the Morning, then Showers likely and a chance of Thunderstorms in the afternoon. Highs in the upper 50s. Southeast Winds 5 to 15 Mph, becoming south 10 to 15 Mph early in the evening. Chance of rain 70 percent.

Tonight 28 Mar St. Clair

Not as cool. Partly cloudy. Near steady temperature in the mid 50s. Southwest Winds 5 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Riley Temperature Statistics

March Temperature

St Clair County International Airport (13.7 miles)

  • Lowest 3 March, 2025

    14 °F

  • Average March

    38.4 °F

  • Highest 15 March, 2025

    69.8 °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

    58.6 °F
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