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Western Lake Ontario: Past 24 Hour Conditions

Warnings

 

Sarnia Chris Hadfield Airport

09:00 AM 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) Wind Chill
12 May 2026
9:00 SSE 9 Sunny 16 102.4 8 51 -1 *
8:00 SE 5 Sunny 16 102.4 5 76 1 *
7:00 SSE 2 Sunny 16 102.4 0 91 -1 *
6:00 SE 2 Clear 16 102.4 0 94 -1 -2
5:00 ESE 2 Clear 16 102.4 -1 95 -1 -2
4:00 SSE 2 Clear 16 102.4 1 89 0 *
3:00 WNW 2 Clear 16 102.4 1 93 0 *
2:00 calm Clear 16 102.5 2 89 0 *
1:00 W 2 Clear 16 102.5 3 85 0 *
0:00 calm Clear 16 102.5 2 85 0 *
11 May 2026
23:00 NNE 3 Clear 16 102.5 4 74 -1 *
22:00 NNW 2 Clear 16 102.5 4 67 -2 *
21:00 calm Clear 16 102.4 4 68 -1 *
20:00 NNE 6 Sunny 16 102.5 6 64 -1 *
19:00 NNE 8 Sunny 16 102.4 8 44 -4 *
18:00 NE 9 Sunny 16 102.4 9 38 -5 *
17:00 NNE 14 Sunny 16 102.4 8 49 -2 *
16:00 NNE 13 gusts 18 Sunny 16 102.5 8 52 -1 *
15:00 NNE 13 gusts 19 Sunny 16 102.5 8 64 1 *
14:00 NNE 12 gusts 18 Sunny 16 102.5 8 51 -2 *
13:00 NNE 14 Sunny 16 102.5 8 57 0 *
12:00 NNE 12 Sunny 16 102.5 7 61 0 *
11:00 NNE 13 gusts 18 Sunny 16 102.5 7 67 1 *
10:00 NNE 15 Sunny 16 102.5 6 66 0 *
9:00 N 14 Sunny 16 102.5 6 65 0 *

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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