Markham Weather Forecast
- 68
- 84
Chance Thunderstorms
- 66
- 81
Mostly Cloudy
- 67
- 84
Partly Sunny
- 68
- 86
Mostly Sunny
- 70
- 89
Mostly Sunny
- 72
- 92
Mostly Sunny
Today 9 Jul Southern Cook
Mostly cloudy. Scattered Thunderstorms in the morning. Scattered Showers. Scattered Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall in the afternoon. Humid. Highs in the lower 80s. West Winds 5 to 10 Mph. Chance of precipitation 50 percent.
Tonight 9 Jul Southern Cook
Mostly cloudy. Scattered Showers and Thunderstorms, mainly in the evening. Patchy fog after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Lows in the upper 60s. North Winds 5 to 10 Mph. Chance of precipitation 50 percent.
Markham Temperature Statistics
July Temperature
Lansing Municipal Airport (9.3 miles)
Lowest 5 July, 2026
67.1 °FAverage July
76.4 °FHighest 2 July, 2026
93.4 °F
Climate (2021–2026)
Lansing Municipal Airport (9.3 miles)
Average Low 2021–2026
42.5 °FAverage 2021–2026
51.6 °FAverage High 2021–2026
60.5 °F