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Ontario wildfires cause air quality to plummet for millions. Get the details. Chevron right

Union, Ontario

72°F
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Union, Ontario Weather
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Winter Center

Today

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

Today's Weather

Thu, Jul 16

Partly sunny, hot and less humid; wildfire smoke will create unhealthy air quality and poor visibility at times Hi: 90°

Tonight: Hazy; smoke from wildfires can create reduced air quality Lo: 71°

Current Weather

2:56 AM

72°F
RealFeel® 78°
Mostly cloudy More Details
Wind NNE 4 mph
Wind Gusts 7 mph
Air Quality Very Unhealthy

Looking Ahead

Smoke from distant wildfires can lead to unhealthy air quality at times through late week

Union Weather Radar

Union Weather Radar
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Clouds
Temperature

Hourly Weather

3 AM 72°
rain drop 34%
4 AM 72°
rain drop 34%
5 AM 71°
rain drop 34%
6 AM 71°
rain drop 34%
7 AM 72°
rain drop 22%
8 AM 75°
rain drop 0%
9 AM 77°
rain drop 0%
10 AM 80°
rain drop 0%
11 AM 82°
rain drop 0%
12 PM 84°
rain drop 0%
1 PM 86°
rain drop 0%
2 PM 86°
rain drop 0%

10-Day Weather Forecast

Today

7/16

90° 71°

Partly sunny; hot, less humid

Night: Hazy
1%

Fri

7/17

86° 74°

An afternoon thunderstorm

Clearing and a stray t-storm
55%

Sat

7/18

86° 64°

Humid with a stray t-storm

Humid; an evening t-storm
55%

Sun

7/19

82° 64°

Partly sunny and less humid

Partly cloudy
1%

Mon

7/20

85° 69°

A thunderstorm possible

Partly cloudy and humid
30%

Tue

7/21

83° 62°

Humid; a stray p.m. t-storm

A thunderstorm around early
49%

Wed

7/22

79° 59°

Partly sunny

Increasing clouds
1%

Thu

7/23

80° 63°

Cloudy

Becoming clear
1%

Fri

7/24

79° 63°

Mostly sunny and humid

A crystal-clear sky
6%

Sat

7/25

79° 62°

Sunny and less humid

Clear to partly cloudy
3%

Sun & Moon

14 hrs 55 mins
Rise 6:08 AM
Set 9:03 PM
Waxing Crescent
Rise 8:43 AM
Set 10:43 PM

Air Quality

See More
Air Quality Very Unhealthy

Health effects will be immediately felt by sensitive groups and should avoid outdoor activity. Healthy individuals are likely to experience difficulty breathing and throat irritation; consider staying indoors and rescheduling outdoor activities.

Allergy Outlook

See All
Dust & Dander Extreme Data is not supported in this location

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