Weather in Mississauga - 14-day forecast

Detailed weather forecast for Mississauga, Canada: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Mississauga

today🌤️ 28°💧 0.2 mm

Thu🌧️ 26°💧 4 mm

Fri🌧️ 21°💧 11.2 mm

Sat🌧️ 25°💧 1.8 mm

Sun☁️ 26°💧 3.1 mm

Mon🌤️ 29°💧 1.7 mm

Tue🌧️ 29°💧 2.1 mm

Wed☀️ 28°💧 0.1 mm

14-day forecast - Mississauga

📅 Mississauga 30 & 45-day weather - long-range outlook

Next 15 days · forecast

27°

around 21° at night · days with rain: 8

Weeks 3-4 · avg for July

27°

around 17° at night · rain chance 39%

Weeks 5-7 · avg for August

26°

around 16° at night · rain chance 37%

The 30 & 45-day outlook for Mississauga: the next 15 days are a numerical forecast updated daily - on average 27° by day and 21° at night. Further out we rely on multi-year climate averages: around 27° in July, and about 26° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Mississauga

Wednesday8 July 2026

🌤️28°scattered clouds

sunrise 05:45 · sunset 21:02 · night 23° · evening 31° · rain 0.18 mm · humidity 48% · wind 3 m/s · clouds 44%

Thursday9 July 2026

🌧️26°light rain

sunrise 05:46 · sunset 21:01 · night 21° · evening 25° · rain 3.98 mm · humidity 58% · wind 6 m/s · clouds 32%

Friday10 July 2026

🌧️21°moderate rain

sunrise 05:47 · sunset 21:01 · night 20° · evening 23° · rain 11.24 mm · humidity 90% · wind 3 m/s · clouds 100%

Saturday11 July 2026

🌧️25°light rain

sunrise 05:48 · sunset 21:00 · night 19° · evening 22° · rain 1.76 mm · humidity 57% · wind 3 m/s · clouds 12%

Sunday12 July 2026

☁️26°overcast clouds

sunrise 05:48 · sunset 21:00 · night 19° · evening 23° · rain 3.12 mm · humidity 33% · wind 3 m/s · clouds 100%

Monday13 July 2026

🌤️29°a few clouds

sunrise 05:49 · sunset 20:59 · night 24° · evening 28° · rain 1.74 mm · humidity 45% · wind 4 m/s · clouds 16%

Tuesday14 July 2026

🌧️29°light rain

sunrise 05:50 · sunset 20:58 · night 20° · evening 26° · rain 2.07 mm · humidity 62% · wind 7 m/s · clouds 100%

Wednesday15 July 2026

☀️28°clear sky

sunrise 05:51 · sunset 20:58 · night 20° · evening 25° · rain 0.12 mm · humidity 36% · wind 3 m/s · clouds 49%

Thursday16 July 2026

☀️28°clear sky

sunrise 05:52 · sunset 20:57 · night 21° · evening 25° · rain 2.22 mm · humidity 34% · wind 4 m/s · clouds 7%

Friday17 July 2026

🌤️30°scattered clouds

sunrise 05:53 · sunset 20:56 · night 22° · evening 26° · rain 0.27 mm · humidity 28% · wind 4 m/s · clouds 33%

Saturday18 July 2026

🌧️29°light rain

sunrise 05:54 · sunset 20:56 · night 22° · evening 24° · rain 0.84 mm · humidity 38% · wind 5 m/s · clouds 100%

Sunday19 July 2026

🌧️32°light rain

sunrise 05:54 · sunset 20:55 · night 21° · evening 27° · rain 0.39 mm · humidity 39% · wind 6 m/s · clouds 17%

Monday20 July 2026

🌧️27°light rain

sunrise 05:55 · sunset 20:54 · night 18° · evening 23° · rain 0.15 mm · humidity 26% · wind 6 m/s · clouds 100%

Tuesday21 July 2026

☀️25°clear sky

sunrise 05:56 · sunset 20:53 · night 21° · evening 22° · rain 6.75 mm · humidity 27% · wind 7 m/s · clouds 100%

Wednesday22 July 2026

🌧️27°light rain

sunrise 05:57 · sunset 20:52 · night 15° · evening 21° · rain 0.3 mm · humidity 31% · wind 7 m/s · clouds 47%

☀️ UV index in Mississauga - is it safe to sunbathe?

Today the UV index in Mississauga is 7 (high) - unprotected fair skin can burn in about 25 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.

Air quality and smog in Mississauga

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Vancouver	20.8	23.6	good
Montréal	12	12.5	very good
Québec	11	11.4	very good
Surrey	8	10.1	very good
Toronto	6.2	6.2	very good
Calgary	5	5.4	very good
Edmonton	4.7	5	very good
Ottawa	3.8	3.9	very good
London	3.5	3.5	very good
Victoria	2.7	3.8	very good
Oshawa	2.2	2.2	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-07, 21:00).

Mississauga weather through the year

Warmest, driest months on average: April, May, June, July.

🎉 Public holidays in Mississauga - when are the long weekends?

Next long weekend in Mississauga: Labour Day (7 September, Monday) - Saturday–Monday (3 days off).

7 SeptemberMonday

Labour Day

🎈 long weekend

30 SeptemberWednesday

National Day for Truth and Reconciliation

12 OctoberMonday

Thanksgiving

🎈 long weekend

25 DecemberFriday

Christmas Day

🎈 long weekend

1 JanuaryFriday 2027

New Year's Day

🎈 long weekend

26 MarchFriday 2027

Good Friday

🎈 long weekend

24 MayMonday 2027

Victoria Day

🎈 long weekend

1 JulyThursday 2027

Canada Day

🎈 long weekend + bridge day

6 SeptemberMonday 2027

Labour Day

🎈 long weekend

30 SeptemberThursday 2027

National Day for Truth and Reconciliation

🎈 long weekend + bridge day

11 OctoberMonday 2027

Thanksgiving

🎈 long weekend

25 DecemberSaturday 2027

Christmas Day

falls on a weekend

Public holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave.

Nearby places

TorontoMarkham

FAQ - Mississauga weather

What is the weather like in Mississauga today?

Today it is about 28° during the day and 23° at night, scattered clouds.

How far ahead can I check the forecast for Mississauga?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.