Markham

York Region, Greater Toronto, Canada

Current Weather

17°63°

Clear

Feels Like: 16°61°

Min: 4°38°

Max: 18°64°

The next few hours will be clear, with today reaching 18°C and dropping to 3°C. The coming days will be partly cloudy throughout the day.

Hourly Forecast

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Air Quality

32
Good

Air quality is satisfactory, and air pollution poses little or no risk.

GoodHazardous

Daylight Hours

07:48

Sunrise

18:13

Sunset

10 hours 24 minutes of sunlight today

Moon

16:36

Moonrise

03:31

Moonset

Daily Forecast

Today

4°38°
18°64°

Friday

2°36°
12°53°

Saturday

3°38°
14°57°

Sunday

5°41°
16°61°

Monday

8°47°
15°59°

Tuesday

3°37°
10°49°

Wednesday

3°37°
11°52°

Thursday

6°43°
15°58°

Friday

5°41°
14°57°

Saturday

0°33°
9°48°

UV Index

No protection needed
1Low
LowExtreme

Humidity

51%Comfortable
LowHigh

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Weather in Markham today, October 22, 2026

Conditions in Markham on October 22, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting.Conditions in Markham on October 22, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting.

The day peaks near 18°C and cools toward 4°C. Expect humidity between 47% and 89%, most humid near 22:00. Winds stay light, near 18 km/h by 16:00, so the day feels still more than breezy.The day peaks near 64°F and cools toward 38°F. Expect humidity between 47% and 89%, most humid near 22:00. Winds stay light, near 11 mph by 16:00, so the day feels still more than breezy.

The afternoon keeps an overcast feel, as cloud reaches about 91% around 21:00. Outdoor plans may still want a flexible backup. Expect visibility near 16 km, with poorer spells close to 15.4 km. Sunrise is at 07:48 and sunset at 18:13, giving 10 hours 24 minutes of sunlight today.The afternoon keeps an overcast feel, as cloud reaches about 91% around 21:00. Outdoor plans may still want a flexible backup. Expect visibility near 10 mi, with poorer spells close to 9.6 mi. Sunrise is at 07:48 and sunset at 18:13, giving 10 hours 24 minutes of sunlight today.

Overall, Markham on October 22, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 18°C.Overall, Markham on October 22, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 64°F.

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 27°C. The average temperature during this period is around 22°C.The warmest month in Markham is July, with average high temperatures of 80°F. The average temperature during this period is around 71°F.

How cold does it get in Markham?

The coldest month in Markham is January, with average low temperatures of -9°C. The average temperature during this period is around -5°C.The coldest month in Markham is January, with average low temperatures of 16°F. The average temperature during this period is around 23°F.

What is the wettest time of year in Markham?

The wettest month in Markham is April, with an average of 100 mm of precipitation.The wettest month in Markham is April, with an average of 3.9 in of precipitation.

What is the driest time of year in Markham?

The driest month in Markham is November, with an average of 62 mm of precipitation.The driest month in Markham is November, with an average of 2.5 in of precipitation.

View full climate insights for Markham →