Next 24 hours

US AQI

44Now
43
43
422 AM
41
41
415 AM
41
41
408 AM
39
41
4211 AM
43
44
442 PM
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455 PM
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438 PM
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41

Air quality outlook

Worst hour each day

Today57Moderate
Thu 845Good
Fri 941Good
Sat 1086Moderate
Sun 1163Moderate

From our air-quality forecast models (GEOS-CF / GEFS aerosols). AQI uses the US EPA scale.

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About Mississauga weather

Mississauga is in Peel, Ontario, Canada at 43.58°, -79.66°. Right now it’s 15° and mostly cloudy; today’s high is 22° with a 49% chance of rain.

Ontario's climate is as vast and varied as the province itself. Southern Ontario enjoys a humid continental climate moderated by the Great Lakes, producing warm, humid summers and cold winters. Northern Ontario experiences subarctic conditions with long, frigid winters and short, cool summers.