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Waterloo, Ontario

88°F
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Waterloo

Ontario

88°
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Waterloo, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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6 PM

88°
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 7%
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Partly sunny
alerts

Orange Warning - Heat

4:56 PM Tuesday - 12:00 AM Sunday

RealFeel Shade™94°

Heat Index98°

WindSW 14 mph

Air QualityPoor

Max UV Index2.2 (Low)

Wind Gusts25 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover41%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

87°
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 5%
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Partly sunny
alerts

Orange Warning - Heat

4:56 PM Tuesday - 12:00 AM Sunday

RealFeel Shade™93°

Heat Index97°

WindSW 12 mph

Air QualityPoor

Max UV Index1.3 (Low)

Wind Gusts22 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover47%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

85°
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 1%
Chevron down
Mostly sunny
alerts

Orange Warning - Heat

4:56 PM Tuesday - 12:00 AM Sunday

RealFeel Shade™93°

Heat Index94°

WindSW 8 mph

Air QualityPoor

Max UV Index0.5 (Low)

Wind Gusts20 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

83°
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 1%
Chevron down
Mostly sunny
alerts

Orange Warning - Heat

4:56 PM Tuesday - 12:00 AM Sunday

RealFeel Shade™90°

Heat Index90°

WindSW 7 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts17 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

81°
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 1%
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Mostly clear
alerts

Orange Warning - Heat

4:56 PM Tuesday - 12:00 AM Sunday

Heat Index86°

WindSW 7 mph

Air QualityPoor

Wind Gusts16 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

78°
RealFeel® 85°
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 1%
Chevron down
Clear
alerts

Orange Warning - Heat

4:56 PM Tuesday - 12:00 AM Sunday

WindSW 6 mph

Air QualityPoor

Wind Gusts15 mph

Humidity90%

Indoor Humidity90% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Waterloo

AccuWeather's hourly forecast for Waterloo provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 88° with a RealFeel® of 96°, partly sunny with a 7% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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Weather Near Waterloo:

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