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Ottawa, Ontario

87°F
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87°
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Ottawa, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today

Hourly

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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3 PM

93°
RealFeel® 107°
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 61%
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Thunderstorms
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

11:24 AM Wednesday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

1:19 PM Wednesday - 12:00 AM Thursday

RealFeel Shade™102°

Heat Index112°

WindSW 12 mph

Air QualityFair

Max UV Index3.2 (Moderate)

Wind Gusts18 mph

Humidity66%

Indoor Humidity66% (Dangerously Humid)

Dew Point80° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

93°
RealFeel® 106°
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 49%
Chevron down
Mostly cloudy
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

11:24 AM Wednesday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

1:19 PM Wednesday - 12:00 AM Thursday

RealFeel Shade™101°

Heat Index109°

WindSW 12 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts18 mph

Humidity61%

Indoor Humidity61% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover79%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

91°
RealFeel® 100°
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 48%
Chevron down
Intermittent clouds
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

11:24 AM Wednesday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

1:19 PM Wednesday - 12:00 AM Thursday

RealFeel Shade™97°

Heat Index103°

WindSW 12 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts20 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4000 ft

6 PM

88°
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 49%
Chevron down
Intermittent clouds
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

11:24 AM Wednesday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

1:19 PM Wednesday - 12:00 AM Thursday

RealFeel Shade™93°

Heat Index97°

WindSW 10 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts18 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

85°
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 56%
Chevron down
Mostly cloudy w/ t-storms
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

11:24 AM Wednesday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

1:19 PM Wednesday - 12:00 AM Thursday

RealFeel Shade™90°

Heat Index95°

WindSW 9 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts16 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.10 in

Visibility4 mi

Cloud Ceiling4000 ft

8 PM

82°
RealFeel® 87°
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 sunny w/ t-storms
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

11:24 AM Wednesday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

1:19 PM Wednesday - 12:00 AM Thursday

RealFeel Shade™87°

Heat Index88°

WindSSW 8 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts14 mph

Humidity82%

Indoor Humidity82% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover11%

Rain0.04 in

Visibility6 mi

Cloud Ceiling30000 ft

9 PM

79°
RealFeel® 87°
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 47%
Chevron down
Mostly clear
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

11:24 AM Wednesday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

1:19 PM Wednesday - 12:00 AM Thursday

Heat Index83°

WindSSW 7 mph

Air QualityFair

Wind Gusts14 mph

Humidity88%

Indoor Humidity88% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

77°
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 40%
Chevron down
Mostly clear
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

11:24 AM Wednesday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

1:19 PM Wednesday - 12:00 AM Thursday

WindSW 7 mph

Air QualityExcellent

Wind Gusts15 mph

Humidity91%

Indoor Humidity91% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

77°
RealFeel® 83°
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 34%
Chevron down
Mostly clear
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

11:24 AM Wednesday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

1:19 PM Wednesday - 12:00 AM Thursday

WindSW 7 mph

Air QualityExcellent

Wind Gusts15 mph

Humidity91%

Indoor Humidity91% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Ottawa

AccuWeather's hourly forecast for Ottawa provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 93° with a RealFeel® of 107°, thunderstorms with a 61% 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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