See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
26°
Mostly Clear
Feels Like: 21°
Min: 19°
Max: 31°
The next few hours will be overcast, with tomorrow reaching 25°C and dropping to 11°C. The coming days will be mostly clear throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:37
Sunrise
18:53
Sunset
Moon
Waxing Crescent
11:31
Moonrise
20:24
Moonset
Daily Forecast
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Wednesday
Thursday
Friday
Saturday
Sunday
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Wednesday
Thursday
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Weather in Markham tomorrow, September 16, 2026
Expect a muted, overcast feel in Markham on September 16, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. The morning sky stays heavily clouded, with cover near 100% around 02:00. Grey conditions set the early tone before any later change.
The temperature range runs from about 14°C up to 25°C. Expect humidity between 47% and 96%, most humid near 05:00. Expect gentle winds, highest near 16:00 at 6.4 km/h.
Through the afternoon skies look more workable, with cloud near 59% around 17:00. Later outdoor plans have a clearer window than the morning may have suggested. Visibility holds near 14.7 km, though it can fall to 12.2 km. Daylight runs from 06:38 to 18:51, lasting 12 hours 12 minutes of sunlight today.
In short, cloud leads the story in Markham on September 16, 2026; expect limited sun and a peak around 25°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 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 129mm of precipitation.
What is the driest time of year in Markham?
The driest month in Markham is December, with an average of 60mm of precipitation.
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