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Ancaster, Ontario

92°F
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Ancaster

Ontario

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Ancaster, Ontario Weather
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Winter Center
Today

Hourly

 Daily Radar MinuteCast Monthly Air Quality Health & Activities

12 PM

93°
RealFeel® 103°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™97°

WindW 12 mph

Air QualityPoor

Max UV Index9 (Very High)

Wind Gusts21 mph

Humidity50%

Indoor Humidity50% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling33400 ft

1 PM

95°
RealFeel® 104°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™98°

WindW 13 mph

Air QualityPoor

Max UV Index10 (Very High)

Wind Gusts27 mph

Humidity47%

Indoor Humidity47% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

97°
RealFeel® 105°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 8%
Chevron down
Partly sunny
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™99°

WindW 13 mph

Air QualityPoor

Max UV Index9 (Very High)

Wind Gusts28 mph

Humidity44%

Indoor Humidity44% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

96°
RealFeel® 103°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 8%
Chevron down
Partly sunny
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™98°

WindW 13 mph

Air QualityPoor

Max UV Index7 (High)

Wind Gusts30 mph

Humidity46%

Indoor Humidity46% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

93°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 12%
Chevron down
Partly sunny
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™96°

WindW 12 mph

Air QualityPoor

Max UV Index5 (Moderate)

Wind Gusts29 mph

Humidity50%

Indoor Humidity50% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

91°
RealFeel® 96°
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.
LEARN MORE
rain drop 51%
Chevron down
Partly sunny w/ t-storms
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™92°

WindW 12 mph

Air QualityPoor

Max UV Index3 (Moderate)

Wind Gusts29 mph

Humidity56%

Indoor Humidity56% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Rain0.04 in

Visibility6 mi

Cloud Ceiling30000 ft

6 PM

89°
RealFeel® 95°
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.
LEARN MORE
rain drop 47%
Chevron down
Partly sunny
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™93°

WindW 12 mph

Air QualityPoor

Max UV Index2 (Low)

Wind Gusts28 mph

Humidity58%

Indoor Humidity58% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

86°
RealFeel® 92°
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.
LEARN MORE
rain drop 40%
Chevron down
Partly sunny
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™90°

WindWSW 10 mph

Air QualityPoor

Max UV Index1 (Low)

Wind Gusts22 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

87°
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.
LEARN MORE
rain drop 32%
Chevron down
Partly sunny
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™93°

WindNW 7 mph

Air QualityPoor

Max UV Index0 (Low)

Wind Gusts16 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

84°
RealFeel® 90°
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.
LEARN MORE
rain drop 32%
Chevron down
Partly sunny
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™90°

WindNNW 7 mph

Air QualityPoor

Max UV Index0 (Low)

Wind Gusts13 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

82°
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 38%
Chevron down
Partly cloudy
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

WindN 7 mph

Air QualityPoor

Wind Gusts12 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

80°
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 51%
Chevron down
Partly cloudy w/ t-storms
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

WindN 7 mph

Air QualityPoor

Wind Gusts10 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Rain0.04 in

Visibility7 mi

Cloud Ceiling30000 ft

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