Monmouth Weather Forecast

    • 57
    • 72

    Chance Rain Showers

    • 70
    • 77

    Rain Showers Likely

    • 62
    • 81

    Rain Showers

    • 66
    • 76

    Rain Showers Likely

    • 64
    • 81

    Chance Rain Showers

    • 60
    • 77

    Chance Rain Showers

Today 13 Sep Warren

Partly sunny. A slight chance of Showers this Morning, then a chance of Showers this afternoon. Not as warm with Highs in the lower 70s. Temperature falling into the upper 60s this afternoon. North Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 13 Sep Warren

Partly cloudy. Lows in the upper 50s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monmouth Temperature Statistics

September Temperature

Galesburg Municipal Airport (11.2 miles)

  • Lowest 11 September, 2026

    58.8 °F

  • Average September

    76.3 °F

  • Highest 3 September, 2026

    93.6 °F

Climate (2021–2026)

Galesburg Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    62.5 °F
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