Tri-County Airport Weather Forecast

    • 34
    • 51

    Increasing Clouds

    • 40
    • 59

    Partly Sunny

    • 54
    • 71

    Mostly Cloudy

    • 35
    • 83

    Chance Rain

    • 28
    • 49

    Mostly Sunny

    • 34
    • 56

    Partly Sunny

Today 23 Mar Knox

Mostly sunny. Cooler with Highs around 50. North Winds 5 to 10 Mph.

Tonight 23 Mar Knox

Mostly cloudy. Lows in the mid 30s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tri-County Airport Temperature Statistics

March Temperature

Peoria - General Downing-Peoria International Airport (21.1 miles)

  • Lowest 17 March, 2026

    9.6 °F

  • Average March

    45.7 °F

  • Highest 10 March, 2026

    83.6 °F

Climate (2021–Present)

Peoria - General Downing-Peoria International Airport (21.1 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    64.5 °F
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