St Joseph Weather Forecast

    • 62
    • 81

    Increasing Clouds

    • 68
    • 79

    Mostly Cloudy

    • 63
    • 84

    Rain Showers

    • 53
    • 71

    Chance Rain Showers

    • 53
    • 68

    Slight Chance Rain Showers

    • 48
    • 69

    Mostly Sunny

Today 29 Sep Champaign

Sunny. Near steady temperature in the lower 80s. South Winds around 5 Mph.

Tonight 29 Sep Champaign

Partly cloudy in the Evening, then becoming mostly cloudy. Not as cool with Lows in the lower 60s. South Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

St Joseph Temperature Statistics

September Temperature

Rantoul National Aviation Center Airport (13 miles)

  • Lowest 27 September, 2026

    48.9 °F

  • Average September

    71.7 °F

  • Highest 15 September, 2026

    97.2 °F

Climate (2021–2026)

Rantoul National Aviation Center Airport (13 miles)

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

  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    62.1 °F
Get WillyWeather+ to remove ads