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Ancaster, Ontario

87°F
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Ancaster

Ontario

87°
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Ancaster, Ontario Weather
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Today

Hourly

 Daily Radar MinuteCast Monthly Air Quality Health & Activities

8 PM

88°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
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rain drop 20%
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Mostly sunny
alerts

Heat Warning

6:35 PM Monday - 12:00 AM Wednesday

RealFeel Shade™93°

WindWSW 8 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts17 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

85°
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.
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rain drop 20%
Chevron down
Mostly clear
alerts

Heat Warning

6:35 PM Monday - 12:00 AM Wednesday

WindWSW 8 mph

Air QualityFair

Wind Gusts16 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

82°
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 20%
Chevron down
Mostly clear
alerts

Heat Warning

6:35 PM Monday - 12:00 AM Wednesday

WindWSW 7 mph

Air QualityFair

Wind Gusts15 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

79°
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 20%
Chevron down
Mostly clear
alerts

Heat Warning

6:35 PM Monday - 12:00 AM Wednesday

WindWSW 6 mph

Air QualityFair

Wind Gusts15 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

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Weather Near Ancaster:

  • Hamilton, Ontario
  • Mississauga Valley, Ontario
  • Toronto, Ontario
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