See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
10°
Overcast
Feels Like: 19°
Min: 9°
Max: 16°
The next few hours will be overcast, with tomorrow reaching 24°C and dropping to 11°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:10
Sunrise
19:08
Sunset
Moon
Waxing Gibbous
17:05
Moonrise
01:18
Moonset
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View stargazing scoreWeather in Markham tomorrow, September 22, 2026
Expect a mostly clear day in Markham on September 22, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. Expect a grey start, with morning cloud around 100% by 06:00. Outdoor plans early on should not rely on bright skies.
The temperature range runs from about 5°C up to 24°C. Expect humidity between 26% and 89%, most humid near 07:00. A lighter breeze peaks around 13:00 near 6.0 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility around 16.1 km. Expect sunrise at 07:11, sunset at 19:06, and 11 hours 55 minutes of sunlight today overall.
Taken together, settled sunshine in Markham on September 22, 2026 makes outdoor timing easier, with highs near 24°C.
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 24°C. The average temperature during this period is around 21°C.
How cold does it get in Markham?
The coldest month in Markham is January, with average low temperatures of -5°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 April, with an average of 107mm of precipitation.
What is the driest time of year in Markham?
The driest month in Markham is September, with an average of 59mm of precipitation.
