River North Weather Forecast

    • 64
    • 75

    Rain Showers

    • 58
    • 68

    Rain Showers Likely

    • 56
    • 66

    Chance Rain Showers

    • 56
    • 63

    Slight Chance Rain Showers

    • 57
    • 64

    Mostly Cloudy

    • 59
    • 66

    Mostly Cloudy

Today 19 Sep Central Cook

Cloudy. Showers with Thunderstorms likely in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s. Southeast Winds 10 to 15 Mph, becoming south 5 to 10 Mph in the afternoon. Chance of precipitation 90 percent.

Tonight 19 Sep Central Cook

Thunderstorms likely in the evening. Showers. A chance of Thunderstorms after midnight. Humid with Lows in the mid 60s. Southeast Winds around 5 Mph, becoming north after midnight. Chance of precipitation 80 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

River North Temperature Statistics

September Temperature

Chicago, Chicago Midway Airport (9.3 miles)

  • Lowest 14 September, 2026

    53.1 °F

  • Average September

    75.9 °F

  • Highest 2 September, 2026

    96.1 °F

Climate (2021–2026)

Chicago, Chicago Midway Airport (9.3 miles)

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

  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    61.9 °F
Get WillyWeather+ to remove ads