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Great Lakes - Lake Erie and Lake Ontario: Past 24 Hour Conditions

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Toronto City Centre Airport

02:00 PM EDT 21 July 2026
Disclaimer

This table is a summary of hourly weather conditions for the past 24 hours.
Please note that these observations might not always be representative of weather conditions over their associated marine area.
Date / Time
(EDT)		 Wind(knots) Conditions Visibility(km) Pressure(kPa) Air temp(°C) Relative humidity(%) Dew point(°C) Humidex
21 July 2026
14:00 SSW 10 gusts 18 Mostly Cloudy 16 100.0 19 88 17 *
13:00 WSW 20 gusts 27 Thunderstorm 16 100.0 20 83 17 *
12:00 SW 12 gusts 17 Thunderstorm 8 100.1 19 95 18 *
11:00 SSW 17 Cloudy 15 100.0 22 88 20 29
10:00 S 10 gusts 16 Cloudy 16 100.1 23 88 20 30
9:00 NNE 4 Mostly Cloudy 16 100.1 22 85 20 29
8:00 WSW 10 gusts 15 Mainly Sunny 15 100.1 20 92 19 27
7:00 ESE 16 gusts 21 Thunderstorm 8 100.1 20 95 19 *
6:00 W 7 Thunderstorm 11 100.5 21 86 18 27
5:00 NW 3 Mostly Cloudy 16 100.4 21 84 18 27
4:00 W 3 Mostly Cloudy 16 100.4 20 89 18 *
3:00 S 2 Mainly Clear 15 100.5 20 89 18 *
2:00 calm Clear 11 100.6 20 89 18 27
1:00 S 7 Partly Cloudy 15 100.7 20 85 18 26
0:00 S 10 Mostly Cloudy 15 100.8 21 82 18 27
20 July 2026
23:00 S 9 Cloudy 16 100.8 21 82 18 27
22:00 SSW 7 Mostly Cloudy 15 100.9 21 84 18 27
21:00 S 6 Clear 13 100.9 21 87 18 27
20:00 S 11 gusts 16 Sunny 16 100.9 22 80 18 27
19:00 S 13 gusts 18 Sunny 16 101.0 22 78 18 28
18:00 S 10 gusts 15 Sunny 16 101.1 24 69 17 29
17:00 S 11 gusts 17 Sunny 16 101.1 24 64 17 29
16:00 ENE 7 Sunny 16 101.2 23 60 15 27
15:00 ESE 5 Sunny 16 101.3 23 50 12 26
14:00 S 6 Sunny 16 101.4 23 47 11 25

If you require additional historical weather information, please visit Climate Data Online

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas CFB Trenton Port Colborne - 45142 Hamilton Munro Int'l Airport Oshawa Executive Airport Port Stanley - 45132 Lake Nipissing - 45152 Point Petre Georgian Bay - 45137 Toronto City Centre Airport Lake Simcoe - 45151 South Georgian Bay - 45143 Prince Edward Point - 45135 Peterborough Municipal Airport South Lake Huron - 45149 Collingwood Lake St Clair - 45147 Grimsby - 45139 Goderich Lagoon City Kingston Airport Muskoka Airport Parry Sound Harbour Grenadier Island Lake Simcoe Regional Airport Wiarton Airport Brockville Western Islands Cove Island Great Duck Island North Channel - 45154 Sarnia Chris Hadfield Airport Gore Bay-Manitoulin Airport Tobermory Harrow AAFC Long Point North Bay Airport Port Weller St. Catharines / Niagara District Airport Greater Sudbury Airport Southeast Shoal Vineland Station Port Colborne Erieau Cobourg Sault Ste. Marie Airport Windsor Airport Welland-Pelham Killarney Ajax - 45159 Point Pelee Burlington Lift Bridge
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