Markham

York Region, Greater Toronto, Canada

Current Weather

18°64°

Mostly Clear

Feels Like: 17°63°

Min: 3°38°

Max: 18°65°

The next few hours will be clear, with today reaching 18°C and dropping to 4°C. The coming days will be cloudy

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

3°38°
18°65°

Friday

1°35°
10°49°

Saturday

-3°26°
10°49°

Sunday

-2°29°
12°54°

Monday

0°31°
13°55°

Tuesday

-1°30°
11°52°

Wednesday

-2°29°
11°52°

Thursday

0°31°
12°54°

Friday

0°32°
11°51°

Saturday

2°35°
9°48°

UV Index

No protection needed
1Low
LowExtreme

Humidity

49%Dry
LowHigh

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Weather in Markham today, October 22, 2026

Expect a mostly clear day in Markham on October 22, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled.Expect a mostly clear day in Markham on October 22, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled.

The temperature range runs from about 3°C up to 18°C. Moisture in the air spans 45%-84%, with the highest values around 22:00. Airflow remains manageable, reaching about 16 km/h around 16:00.The temperature range runs from about 38°F up to 65°F. Moisture in the air spans 45%-84%, with the highest values around 22:00. Airflow remains manageable, reaching about 10 mph around 16:00.

The afternoon keeps an overcast feel, as cloud reaches about 100% around 21:00. Outdoor plans may still want a flexible backup. Views remain open at about 16.1 km. Daylight runs from 07:48 to 18:13, lasting 10 hours 24 minutes of sunlight today.The afternoon keeps an overcast feel, as cloud reaches about 100% around 21:00. Outdoor plans may still want a flexible backup. Views remain open at about 10 mi. Daylight runs from 07:48 to 18:13, lasting 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 65°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 24°C. The average temperature during this period is around 21°C.The warmest month in Markham is July, with average high temperatures of 75°F. The average temperature during this period is around 70°F.

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.The coldest month in Markham is January, with average low temperatures of 23°F. The average temperature during this period is around 27°F.

What is the wettest time of year in Markham?

The wettest month in Markham is April, with an average of 107 mm of precipitation.The wettest month in Markham is April, with an average of 4.2 in of precipitation.

What is the driest time of year in Markham?

The driest month in Markham is September, with an average of 59 mm of precipitation.The driest month in Markham is September, with an average of 2.3 in of precipitation.

View full climate insights for Markham →