TAO weather
Latitude N 43° 39' 36" Longitude W 79° 24' 00" Elevation 0 m
| Dawn: | 12:11 | Sunrise: | 12:43 | Moonrise: | 14:57 |  |
| Dusk: | 22:48 | Sunset: | 22:17 | Moonset: | 02:39 | |
| Daylight: | 10:36 | Day length: | 09:34 | Moon Phase: | Waxing Crescent |
Welcome to University of Toronto Atmospheric Observatory.
The weather station in use is the Davis Vantage Pro2, and these pages are updated every 5 minute. The meteorological day used at this station ends at midnight UTC.
This weather station is part of the University of Toronto Atmospheric Observatory, or "TAO" for short. This observatory does remote sensing of the atmosphere using a Fourier Transform Infrared Spectrometer which can detect the absorption of sunlight by gases in the atmosphere species. This project is led by Professor Kimberly Strong, who also conducts similar research in Eureka, Nunavut at the Polar Environment Atmospheric Research Laboratory "PEARL". The TAO weather station is located at the McLennan Physical Laboratory, 60 St George St Toronto, ON, CANADA, at 43.66° North Latitude and 79.4° West Longitude. The station resides on the rooftop of the building at 174 m above sea level (61 m above street level) and the pressure reading is NOT adjusted to sea level. Please note that the wind sensor is installed on the south east corner and will be influenced by obstructions on the roof (astronomical domes, radio antenna and building itself).Forecast: Mostly cloudy and cooler. Windy with possible wind shift to the W, NW, or N.
| Temperature and Humidity | |||
| Temperature | -12.5 °C | Dew Point | -20.8 °C |
| Windchill | -20.5 °C | Humidity | 50% |
| Heat Index | -12.5 °C | Apparent Temperature | -19.6 °C |
| Solar Radiation | 404 W/m² | Evapotranspiration Today | 0.61 mm |
| Rainfall | |||
| Rainfall Today | 0.0 mm | Rainfall Rate | 0.0 mm/hr |
| Rainfall This Month | 20.8 mm | Rainfall This Year | 20.8 mm |
| Rainfall Last Hour | 0.0 mm | Last rainfall | 2026-01-11 01:22 |
| Wind | |||
| Wind Speed (gust) | 10.3 m/s | Wind Speed (avg) | 4.9 m/s |
| Wind Bearing | 292° WNW | Beaufort F3 | Gentle breeze |
| Pressure | |||
| Barometer | 1003.76 mb | Rising | 0.86 mb/hr |
| :now::gauges::today::yesterday::this month::this year::records::monthly records::trends::forum: | |||
Page updated 2026-01-23 6:00:00 PM
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