🇨🇦 Weather in Mississauga
Map Overlays:
Hourly Forecast for Mississauga
05:00
20°
31%
06:00
20°
38%
07:00
20°
22%
08:00
21°
35%
09:00
21°
56%
10:00
22°
20%
11:00
23°
19%
12:00
23°
25%
13:00
24°
15%
14:00
25°
3%
15:00
26°
3%
16:00
26°
4%
17:00
25°
4%
18:00
25°
4%
19:00
24°
5%
20:00
23°
7%
21:00
22°
7%
22:00
21°
8%
23:00
20°
8%
00:00
20°
9%
01:00
20°
9%
02:00
19°
9%
03:00
19°
8%
04:00
18°
8%
14-Day Forecast for Mississauga
2026-07-10
Sunny
26° /
20°
2026-07-11
Sunny
26° /
18°
2026-07-12
Sunny
26° /
17°
2026-07-13
Sunny
29° /
17°
2026-07-14
Sunny
31° /
20°
2026-07-15
Sunny
30° /
17°
2026-07-16
Sunny
30° /
21°
Additional Forecasts for Mississauga
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 148.0 μg/m³
O₃ (Ozone) 55.0 μg/m³
NO₂ (Nitrogen Dioxide) 16.3 μg/m³
SO₂ (Sulphur Dioxide) 3.7 μg/m³
PM2.5 (Fine particles) 5.5 μg/m³
PM10 (Coarse particles) 5.7 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Canada
Weather in Mississauga — FAQ
Answers refreshed each request based on current conditions in Mississauga.
What is the weather like right now in Mississauga?
Right now in Mississauga, Canada the temperature is 20.3°C (feels like 20.3°C), with partly cloudy. Relative humidity is 88% and wind is 3.6 km/h.
What is today's high and low temperature in Mississauga?
Today's forecast high in Mississauga is 25.6°C and the overnight low is 20.2°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Mississauga today?
The chance of precipitation in Mississauga today is 42%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Mississauga differ from nearby cities?
Even short distances can change temperatures noticeably. Mississauga's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.