5-day weather forecast Toronto 27-08-2026

Weather forecast Toronto Thursday, August 27 27.08.2026: patchy rain possible, temperature from 18 °C to 25 °C.

Precipitation probability 91%. Wind up to 4.89 m/s (gusts 14.11 m/s). Air humidity 63–97%, atmospheric pressure 758–760 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)202019191818181818192022242525252525242422212019
Precipitation (mm/hr)0000.010.45.821.391.160.370.100.060.190.850.31.120.910.330.830.150000

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 (%)38729910010010010010010010010057837070828180850000
Rain chance (%)8817235491797858413029184827575136513010121212

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)1.51.391.391.312.192.8133.194.893.613.614.394.314.194.113.52.892.692.692.112.52.1921.69
Wind gust (m/s)3.893.112.313.335.6410.318.8311.3314.1112.6411.119.536.646.646.425.725.1155.533.895.835.645.563.61
Wind direction (°)S 170°SSW 194°SSW 202°SSW 208°W 271°SSW 212°SSW 201°SSW 195°SSW 196°SW 217°SSW 206°SW 219°SW 232°WSW 244°WSW 242°WSW 248°WSW 250°SW 225°WSW 240°WNW 296°N 351°N 351°NNW 335°NW 319°

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 (%)767778778796979794929180646367696866717882878786

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)760760760759759758758758758758758758758758758758758758758758758759760760

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.