5-day weather forecast Toronto 27-08-2026

Weather forecast Toronto tomorrow 27.08.2026: patchy rain possible, temperature from 18 °C to 25 °C.

Precipitation probability 66%. Wind up to 5 m/s (gusts 10.11 m/s). Air humidity 50–98%, atmospheric pressure 758–761 mm Hg, UV index up to 6.6.

Sunrise 06:35
Sunset 20:02
Full Moon100% illuminated
Moonrise 19:55 · Moonset 06:07
Chart
Table

Forecast from 18 °C to 25 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)202020191818181818192123252524242325242322212018
Precipitation (mm/hr)0000.840.680.500.350.010.020.090.070.070.260.080.050.0400000.0100

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)29751001008289100888685807870100999670999691956700
Rain chance (%)815206665634256352625171726191412121211131078

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)2.392.312.52.392.312.52.111.892.393.54.114.6954.894.394.394.314.193.532.812.813.112.81
Wind gust (m/s)9.339.119.929.6410.119.897.838.339.039.317.57.697.616.836.316.426.426.315.425.225.896.757.727.39
Wind direction (°)S 170°S 176°S 184°S 191°S 191°SSW 202°SW 215°SW 227°SW 220°WSW 238°WSW 256°W 264°W 266°W 279°W 277°W 269°WNW 295°W 275°WNW 297°WNW 292°NW 312°NW 320°NW 326°NW 324°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)717474859496989894867660545254515950535458637378

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)759758758758758758758758758758758758758758758758758758759759760760761761

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index000000000.312.54.25.86.66.44.721.70.80.20000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)11.511.11111.310.510.29.98.97.87.14.53.83.33.12.92.42.11.91.71.81.8222
PM10 (µg/m³)11.611.211.111.410.610.31097.97.14.63.83.33.12.92.42.11.91.71.81.8222.1
Ozone (O₃) (µg/m³)535354596671727273768084899396969490847770645752
NO₂ (µg/m³)32.629.926.723.1191614.914.814.212.29.67.56.15.24.74.54.65.47.29.611.412.212.612.7
SO₂ (µg/m³)7.36.55.95.65.55.45.55.65.65.24.53.93.42.92.52.32.12.12.22.42.62.93.33.6
CO (µg/m³)326357360304219162161187211225236238222197178168166177213264306329342351

Toronto on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.