Barr Weather Forecast

    • 35
    • 50

    Chance Rain

    • 22
    • 43

    Chance Rain

    • 24
    • 35

    Mostly Sunny

    • 34
    • 47

    Partly Sunny

    • 34
    • 52

    Mostly Cloudy

    • 19
    • 39

    Mostly Cloudy

    • 23
    • 32

    Partly Sunny

Today 9 Jan Macoupin

Partly sunny. Cooler with Highs around 50. Northwest Winds around 5 Mph.

Tonight 9 Jan Macoupin

Partly cloudy this Evening, then mostly cloudy with a chance of rain after midnight. Lows in the mid 30s. East Winds around 5 Mph, becoming north after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Barr Temperature Statistics

January Temperature

Jacksonville Municipal Airport (26.1 miles)

  • Lowest 4 January, 2026

    18.9 °F

  • Average January

    35.3 °F

  • Highest 7 January, 2026

    62.2 °F

Climate (2021–Present)

Jacksonville Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.6 °F
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