Monmouth Weather Forecast

    • 61
    • 84

    Sunny

    • 64
    • 84

    Chance Rain Showers

    • 63
    • 76

    Rain Showers

    • 61
    • 77

    Chance Thunderstorms

    • 61
    • 80

    Mostly Sunny

    • 63
    • 80

    Mostly Sunny

    • 65
    • 83

    Slight Chance Thunderstorms

Today 29 Jul Warren

Sunny. Near steady temperature in the mid 80s. Northeast Winds around 5 Mph.

Tonight 29 Jul Warren

Clear. Lows in the lower 60s. East Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Monmouth Temperature Statistics

July Temperature

Galesburg Municipal Airport (11.2 miles)

  • Lowest 23 July, 2026

    53.6 °F

  • Average July

    75.8 °F

  • Highest 27 July, 2026

    93.2 °F

Climate (2021–2026)

Galesburg Municipal Airport (11.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.5 °F
Get WillyWeather+ to remove ads