Monmouth Weather Forecast

    • 59
    • 77

    Mostly Sunny

    • 48
    • 72

    Partly Sunny

    • 53
    • 68

    Rain Showers

    • 53
    • 69

    Chance Rain Showers

    • 54
    • 68

    Chance Rain Showers

    • 54
    • 68

    Rain Showers Likely

Today 28 Oct Warren

Sunny. Isolated Showers this afternoon. Highs in the upper 70s. South Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 28 Oct Warren

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. South Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monmouth Temperature Statistics

October Temperature

Galesburg Municipal Airport (11.2 miles)

  • Lowest 17 October, 2026

    31.8 °F

  • Average October

    59.8 °F

  • Highest 12 October, 2026

    87.3 °F

Climate (2021–2026)

Galesburg Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    62.6 °F
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