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Western Lake Ontario: Past 24 Hour Conditions

Warnings

 

CFB Trenton

02:00 PM EDT 12 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)
12 May 2026
14:00 SW 12 Mainly Sunny 24 102.2 12 38 -2
13:00 SW 10 gusts 15 Sunny 24 102.2 11 43 -1
12:00 SSW 8 Mainly Sunny 24 102.3 11 43 -1
11:00 S 5 Mainly Sunny 24 102.4 11 40 -2
10:00 SE 6 Sunny 24 102.4 10 40 -3
9:00 NE 5 Sunny 24 102.5 9 44 -3
8:00 calm Sunny 24 102.5 7 57 -1
7:00 W 2 Sunny 24 102.5 3 72 -2
6:00 NNW 2 Sunny 24 102.4 1 81 -2
5:00 N 2 Clear 24 102.4 1 83 -2
4:00 NNE 2 Clear 24 102.4 2 81 -1
3:00 N 2 Mainly Clear 24 102.4 3 73 -1
2:00 NNW 2 Clear 24 102.3 2 79 -1
1:00 NNW 5 Mainly Clear 24 102.3 5 68 -1
0:00 NNW 6 Mainly Clear 24 102.3 6 63 -1
11 May 2026
23:00 WNW 4 Mainly Clear 24 102.3 7 60 -1
22:00 WNW 5 Mainly Clear 24 102.2 6 58 -1
21:00 NW 4 Mainly Clear 24 102.2 9 45 -2
20:00 N 5 Mainly Sunny 24 102.1 10 40 -3
19:00 NNW 13 gusts 18 Mostly Cloudy 24 102.1 12 37 -2
18:00 SSW 10 Mostly Cloudy 24 102.1 10 54 1
17:00 SW 13 Mostly Cloudy 24 102.0 11 51 1
16:00 SW 14 gusts 19 Mostly Cloudy 24 102.0 10 48 0
15:00 SW 11 Mostly Cloudy 24 102.1 9 57 1
14:00 SW 13 Light Rainshower 24 102.1 9 56 1

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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