Markham Weather Forecast

    • 68
    • 91

    Rain Showers Likely

    • 67
    • 86

    Mostly Sunny

    • 69
    • 88

    Mostly Sunny

    • 70
    • 91

    Slight Chance Thunderstorms

    • 74
    • 94

    Slight Chance Thunderstorms

    • 73
    • 93

    Chance Thunderstorms

Today 30 Jun Southern Cook

Mostly cloudy. A slight chance of Showers and Thunderstorms through mid Morning, then a chance of Showers and Thunderstorms in the late morning and afternoon. Highs around 90. West Winds 5 to 10 Mph, becoming northwest in the afternoon. Chance of precipitation 50 percent.

Tonight 30 Jun Southern Cook

Mostly cloudy in the Evening, then becoming partly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Lows in the upper 60s. Northwest Winds around 5 Mph. Chance of precipitation 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Markham Temperature Statistics

June Temperature

Lansing Municipal Airport (9.3 miles)

  • Lowest 1 June, 2025

    37.9 °F

  • Average June

    71.7 °F

  • Highest 26 June, 2025

    93.9 °F

Climate (2020–Present)

Lansing Municipal Airport (9.3 miles)

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

  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    60.3 °F
Get WillyWeather+ to remove ads