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Cornwall to Montréal: Past 24 Hour Conditions

Warnings

 

Lake Simcoe Regional Airport

02:00 AM EDT 23 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)
23 May 2026
2:00 E 8 N/A N/A 102.6 11 58 3
1:00 E 8 N/A N/A 102.7 12 55 3
0:00 ESE 8 N/A N/A 102.7 12 47 1
22 May 2026
23:00 ESE 6 N/A N/A 102.7 13 45 1
22:00 SE 6 N/A N/A 102.7 14 42 1
21:00 ESE 5 N/A N/A 102.7 14 44 2
20:00 ESE 8 N/A N/A 102.7 16 34 0
19:00 ESE 8 N/A N/A 102.7 16 34 0
18:00 ESE 9 N/A N/A 102.7 17 31 -1
17:00 ESE 9 N/A N/A 102.7 17 30 -1
16:00 ESE 6 N/A N/A 102.8 17 32 0
15:00 SE 10 N/A N/A 102.8 16 32 -1
14:00 SE 8 N/A N/A 102.9 16 38 2
13:00 ESE 10 gusts 15 N/A N/A 103.0 15 37 1
12:00 E 11 gusts 17 N/A N/A 103.0 14 41 1
11:00 ESE 10 gusts 15 N/A N/A 103.0 13 42 0
10:00 ESE 9 gusts 15 N/A N/A 103.1 12 49 1
9:00 ESE 10 gusts 15 N/A N/A 103.1 11 56 2
8:00 E 8 N/A N/A 103.1 9 70 4
7:00 ENE 4 N/A N/A 103.1 7 81 4
6:00 NNE 3 N/A N/A 103.0 3 88 1
5:00 E 3 N/A N/A 103.0 5 75 0
4:00 NE 5 N/A N/A 102.9 5 72 0
3:00 NE 6 N/A N/A 102.9 5 68 0
2:00 NE 6 N/A N/A 102.9 6 70 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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