Sidney Weather Forecast

    • 21
    • 27

    Increasing Clouds

    • 20
    • 45

    Partly Sunny

    • 22
    • 34

    Partly Sunny

    • 35
    • 42

    Mostly Cloudy

    • 38
    • 52

    Mostly Cloudy

    • 51
    • 57

    Mostly Cloudy

Today 19 Dec Champaign

Mostly sunny and brisk. Much cooler with Highs in the upper 20s. West Winds 15 to 25 Mph with Gusts up to 35 Mph, Diminishing to 10 to 15 Mph with Gusts up to 25 Mph this afternoon. Wind chill Values as low as zero.

Tonight 19 Dec Champaign

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 20s. Temperature rising into the upper 20s after midnight. South Winds 15 to 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sidney Temperature Statistics

December Temperature

University of Illinois - Willard (10.6 miles)

  • Lowest 14 December, 2025

    -14.1 °F

  • Average December

    21.8 °F

  • Highest 17 December, 2025

    39.9 °F

Climate (2020–Present)

University of Illinois - Willard (10.6 miles)

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

  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    54.4 °F

  • Average High 2020–2025

    64.7 °F
Get WillyWeather+ to remove ads