Monmouth Weather Forecast

    • 46
    • 74

    Thunderstorms Likely

    • 45
    • 62

    Slight Chance Rain Showers

    • 41
    • 61

    Mostly Sunny

    • 40
    • 62

    Slight Chance Thunderstorms

    • 37
    • 59

    Partly Sunny

    • 43
    • 63

    Mostly Sunny

    • 48
    • 71

    Slight Chance Rain Showers

Today 27 Apr Warren

Showers and Thunderstorms likely. Near steady temperature in the lower 70s. South Winds around 20 Mph with Gusts up to 30 Mph. Chance of rain 60 percent.

Tonight 27 Apr Warren

Mostly cloudy. Numerous Showers with a chance of Thunderstorms this evening. Cooler with Lows in the mid 40s. West Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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  • Temperature Real-Time

Monmouth Temperature Statistics

April Temperature

Galesburg Municipal Airport (11.2 miles)

  • Lowest 5 April, 2026

    32.9 °F

  • Average April

    53.7 °F

  • Highest 17 April, 2026

    82.8 °F

Climate (2021–Present)

Galesburg Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    62.3 °F
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