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Markham, Ontario

86°F
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Ontario

86°
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Markham, Ontario Weather
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Today

Hourly

 Daily Radar MinuteCast Monthly Air Quality Health & Activities

4 PM

86°
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 7%
Chevron down
Partly sunny
alerts

Air Quality Warning

4:25 AM Monday - 8:00 AM Tuesday
alerts

Heat Warning

12:10 PM Monday - 10:00 AM Friday

RealFeel Shade™84°

WindSW 8 mph

Air QualityUnhealthy

Max UV Index5 (Moderate)

Wind Gusts20 mph

Humidity43%

Indoor Humidity43% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

5 PM

86°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 7%
Chevron down
Partly sunny
alerts

Air Quality Warning

4:25 AM Monday - 8:00 AM Tuesday
alerts

Heat Warning

12:10 PM Monday - 10:00 AM Friday

RealFeel Shade™83°

WindSW 8 mph

Air QualityUnhealthy

Max UV Index3 (Moderate)

Wind Gusts20 mph

Humidity46%

Indoor Humidity46% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

6 PM

85°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 7%
Chevron down
Partly sunny
alerts

Air Quality Warning

4:25 AM Monday - 8:00 AM Tuesday
alerts

Heat Warning

12:10 PM Monday - 10:00 AM Friday

RealFeel Shade™83°

WindSW 8 mph

Air QualityUnhealthy

Max UV Index2 (Low)

Wind Gusts18 mph

Humidity48%

Indoor Humidity48% (Humid)

Dew Point63° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

7 PM

84°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 5%
Chevron down
Partly sunny
alerts

Air Quality Warning

4:25 AM Monday - 8:00 AM Tuesday
alerts

Heat Warning

12:10 PM Monday - 10:00 AM Friday

RealFeel Shade™82°

WindWSW 7 mph

Air QualityUnhealthy

Max UV Index1 (Low)

Wind Gusts17 mph

Humidity50%

Indoor Humidity50% (Humid)

Dew Point63° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

8 PM

85°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Air Quality Warning

4:25 AM Monday - 8:00 AM Tuesday
alerts

Heat Warning

12:10 PM Monday - 10:00 AM Friday

RealFeel Shade™84°

WindW 7 mph

Air QualityUnhealthy

Max UV Index0 (Low)

Wind Gusts17 mph

Humidity47%

Indoor Humidity47% (Humid)

Dew Point63° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

83°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Air Quality Warning

4:25 AM Monday - 8:00 AM Tuesday
alerts

Heat Warning

12:10 PM Monday - 10:00 AM Friday

WindWNW 7 mph

Air QualityUnhealthy

Wind Gusts15 mph

Humidity53%

Indoor Humidity53% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

80°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Air Quality Warning

4:25 AM Monday - 8:00 AM Tuesday
alerts

Heat Warning

12:10 PM Monday - 10:00 AM Friday

WindNNW 6 mph

Air QualityUnhealthy

Wind Gusts14 mph

Humidity60%

Indoor Humidity60% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

77°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Air Quality Warning

4:25 AM Monday - 8:00 AM Tuesday
alerts

Heat Warning

12:10 PM Monday - 10:00 AM Friday

WindN 5 mph

Air QualityUnhealthy

Wind Gusts12 mph

Humidity67%

Indoor Humidity67% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

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Weather Near Markham:

  • Brampton, Ontario
  • Mississauga Valley, Ontario
  • Toronto, Ontario
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