Lake Arlington Weather Forecast

    • 37
    • 42

    Decreasing Clouds

    • 42
    • 53

    Rain

    • 35
    • 48

    Rain/Snow Likely

    • 22
    • 40

    Rain/Snow Likely

    • 21
    • 30

    Slight Chance Snow

    • 29
    • 37

    Mostly Cloudy

Today 7 Jan Northern Cook

Mostly cloudy. Areas of dense fog early in the Morning, then patchy fog early in the afternoon. Highs in the lower 40s. Southwest Winds 5 to 10 Mph.

Tonight 7 Jan Northern Cook

Mostly clear in the Evening, then becoming partly cloudy. Near steady temperature in the upper 30s. South Winds around 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Arlington Temperature Statistics

January Temperature

Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)

  • Lowest 1 January, 2026

    10.9 °F

  • Average January

    24.4 °F

  • Highest 5 January, 2026

    45 °F

Climate (2021–Present)

Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)

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

  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.4 °F
Get WillyWeather+ to remove ads