Monmouth Weather Forecast

    • 7
    • 10

    Cold

    • 2
    • 19

    Mostly Sunny

    • 2
    • 22

    Partly Sunny

    • 0
    • 18

    Mostly Cloudy

    • 1
    • 18

    Mostly Sunny

    • 10
    • 23

    Partly Sunny

Today 26 Jan Warren

Mostly sunny. Cold with Highs around 10 above. Northwest Winds around 10 Mph, becoming west this afternoon. Wind chill Values as low as 20 below.

Tonight 26 Jan Warren

Mostly clear in the Evening, then becoming partly cloudy. Not as cold with Lows around 7 above. Temperature rising to around 13 after midnight. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Wind chill Values as low as 11 below.

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Monmouth Temperature Statistics

January Temperature

Galesburg Municipal Airport (11.2 miles)

  • Lowest 23 January, 2026

    -11.2 °F

  • Average January

    26.9 °F

  • Highest 8 January, 2026

    59.2 °F

Climate (2021–Present)

Galesburg Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.8 °F
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