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Western Lake Ontario: Past 24 Hour Conditions

Warnings

 

Sarnia Chris Hadfield Airport

06:00 PM EDT 20 May 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
20 May 2026
18:00 N 8 Partly Cloudy 16 102.5 8 67 2 *
17:00 NE 10 gusts 15 Sunny 16 102.5 8 69 3 *
16:00 NE 14 Sunny 16 102.4 9 68 4 *
15:00 NE 13 gusts 18 Sunny 16 102.4 9 70 4 *
14:00 NE 13 gusts 20 Sunny 16 102.4 10 70 5 *
13:00 NE 12 Sunny 16 102.4 10 70 5 *
12:00 NE 13 Sunny 16 102.4 10 71 5 *
11:00 NE 12 gusts 17 Sunny 16 102.4 10 74 5 *
10:00 NNE 10 gusts 15 Sunny 16 102.3 10 70 5 *
9:00 NNE 15 Cloudy 16 102.2 9 76 5 *
8:00 NNE 15 gusts 21 Cloudy 16 102.2 9 79 5 *
7:00 NNE 12 gusts 18 Cloudy 16 102.2 8 83 5 *
6:00 NNE 10 gusts 16 Cloudy 16 102.1 8 84 5 *
5:00 NNE 11 gusts 20 Cloudy 16 102.0 8 87 6 *
4:00 NNE 13 gusts 21 Cloudy 16 101.9 8 85 5 *
3:00 NNE 10 gusts 17 Cloudy 16 101.9 7 91 6 *
2:00 NNE 15 gusts 22 Light Rain 16 101.9 7 93 6 *
1:00 NNE 19 gusts 26 Light Rain 16 101.8 8 91 6 *
0:00 NNE 17 gusts 33 Light Rain 16 101.6 9 92 8 *
19 May 2026
23:00 SW 8 Cloudy 16 101.4 22 92 21 30
22:00 SSW 7 Cloudy 16 101.3 22 93 20 29
21:00 S 9 Mostly Cloudy 16 101.2 22 94 21 30
20:00 SSW 8 Mostly Cloudy 16 101.2 22 92 21 30
19:00 S 9 Cloudy 16 101.2 21 94 20 28
18:00 SSW 9 gusts 15 Cloudy 16 101.2 21 90 19 28

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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