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Weather in Mississauga

Ontario · 717,961 inhabitants · Wednesday, October 28 · updated 14:32

Air: Good

14°

Clear sky

Feels like 14°C

Wind

7 km/h

Gusts

7 km/h

Humidity

62 %

Pressure

1026 hPa

Clouds

5 %

Storm

Rise 07:49 Set 18:15 Day 10 h 25 min UV 5 · Moderate

Detailed forecast

Trend

Afternoon

Clear sky

14°

Feels like 14°

Wind ↑ ESE 9 km/h

Humidity 55 %

Evening

Clear sky

11°10°

Feels like 11°

Wind ↑ ESE 5 km/h

Humidity 81 %

14:00

14°

E 7

17:00

14°

ESE 9

Weather charts for Mississauga · 7 days

Temperatures over 7 days

▲ +5.2° above seasonal normals this week

Highs Lows Seasonal normal (1991-2020 average)

Hourly detail

Temperature (°C) Precipitation (mm) Wind (km/h)

Climate of Mississauga

July is the warmest month, with average highs of 26 °C. January is the coldest, with average lows of −8 °C. Their mean temperatures differ by 26 °C.

Average lows are below freezing from December to March, down to −8 °C in January.

Daylight lasts 15 h 26 min at the June solstice and 8 h 56 min at the December solstice.

Rain is spread through the year: every month gets between 58 mm and 88 mm on average.

This week’s forecast highs average 17 °C, 3 °C above the October normal (14 °C).

Monthly averages, 1991–2020
Month	Avg high	Avg low	Rain
Jan	−2 °C	−8 °C	74 mm
Feb	0 °C	−8 °C	58 mm
Mar	4 °C	−4 °C	66 mm
Apr	10 °C	2 °C	88 mm
May	17 °C	8 °C	83 mm
Jun	22 °C	14 °C	86 mm
Jul	26 °C	17 °C	78 mm
Aug	25 °C	17 °C	71 mm
Sep	21 °C	13 °C	76 mm
Oct	14 °C	7 °C	83 mm
Nov	8 °C	2 °C	77 mm
Dec	2 °C	−3 °C	73 mm
Year	12 °C	5 °C	910 mm

Climate normals: ERA5 reanalysis 1991–2020 (Copernicus/ECMWF), computed by SkiesAtlas for 43.58° N, 79.66° W. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.

Air quality & pollen in Mississauga

1/6

Good

European Air Quality Index (EAQI) · CAMS source

PM2.58µg/m³

PM108µg/m³

CAMS data (Copernicus) · air quality and pollen refreshed several times a day.

Rain in Mississauga: live radar and next-hour forecast

Will it rain in Mississauga? Track precipitation live on the radar and anticipate showers in the next hour — the +1 h extrapolation is based on the real movement of rain cells.

Full-screen radar · rain within the hour

Rain radar Observed, then extrapolation up to +1h (real cell movement) · drag the timeline

Moon calendar for Mississauga

Waning gibbous

93 % illuminated · 17.3 days

Rise 15:23 Set 07:04

Thu 29/10 87%

Fri 30/10 79%

Sat 31/10 69%

Sun 1/11 59%

Mon 2/11 49% Last quarter

Tue 3/11 38%

Wed 4/11 28%

Thu 5/11 19%

Fri 6/11 12%

Sat 7/11 6%

Sun 8/11 2%

Mon 9/11 0%

Rise and set in local time (America/Toronto) · phases and illumination computed by SkiesAtlas (synodic model).

Weather history for Mississauga

What was the weather in Mississauga on a past date? Pick a day — ERA5 reanalysis data (ECMWF / Copernicus C3S), available up to one week ago.

The weather in Mississauga

Find the full weather for Mississauga, Ontario: current conditions, forecast by time of day (morning, afternoon, evening) and a 7-day trend. Right now the sky is “clear sky” with 14 °C (feels like 14 °C) and wind at 7 km/h.

Today, temperatures range from 8 °C to 14 °C, with no significant precipitation. Forecast computed by our multi-model engine SkiesAtlas (ECMWF-AIFS, NOAA GFS, DWD ICON): cloud cover calibrated on METAR observations, convective energy (CAPE) for storms.

Nearby cities

Richmond Hill 37 km 14°

Burlington 26 km 14°

Guelph 48 km 16°

St. Catharines 56 km 15°

Milton 19 km 15°

Weather API for Mississauga

Get the Mississauga forecast in JSON for your website or app, plus air quality, tides and astronomy. Free API key, no credit card required.

Get a free API key

How is this forecast computed? Multi-model engine, verified daily against 1125 weather stations