Pomona Weather Forecast

    • 57
    • 77

    Chance Rain Showers

    • 59
    • 80

    Rain Showers

    • 40
    • 71

    Chance Rain Showers

    • 35
    • 53

    Mostly Sunny

    • 52
    • 66

    Mostly Sunny

    • 56
    • 73

    Mostly Cloudy

Today 13 Mar Jackson

Partly sunny this Morning, then clearing. A slight chance of Thunderstorms this morning. A slight chance of Showers. Highs in the upper 70s. South Winds around 5 Mph. Chance of rain 20 percent.

Tonight 13 Mar Jackson

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. South Winds 5 to 10 Mph.

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Pomona Temperature Statistics

March Temperature

Southern Illinois Airport (11.8 miles)

  • Lowest 2 March, 2025

    23.8 °F

  • Average March

    45.8 °F

  • Highest 10 March, 2025

    71.1 °F

Climate (2020–Present)

Southern Illinois Airport (11.8 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    68.4 °F
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