Unlock Historical Data
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:21
Sunrise
20:18
Sunset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Air Quality Data Available
Upgrade to access real-time air quality data for Markham.
Resources
UV Index
Humidity
Frequently asked questions about weather in Markham
How warm does it get in Markham?
The warmest month in Markham is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.
How cold does it get in Markham?
The coldest month in Markham is January, with average low temperatures of -6°C. The average temperature during this period is around -3°C.
What is the wettest time of year in Markham?
The wettest month in Markham is May, with an average of 132mm of precipitation.
What is the driest time of year in Markham?
The driest month in Markham is February, with an average of 62mm of precipitation.
Explore more weather forecasts
- Hazel Crest, Illinois
- New York City, New York
- Country Club Hills, Illinois
- Los Angeles, California
- Midlothian, Illinois
- Brooklyn, New York
- Homewood, Illinois
- Chicago, Illinois
- Oak Forest, Illinois
- Houston, Texas
- Harvey, Illinois
- Queens, New York
- Blue Island, Illinois
- Phoenix, Arizona
- Crestwood, Illinois
- Philadelphia, Pennsylvania