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Cornwall to Montréal: Past 24 Hour Conditions

Warnings

 

Lake Simcoe Regional Airport

01:00 AM EST 19 February 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
(EST)		 Wind(knots) Conditions Visibility(km) Pressure(kPa) Air temp(°C) Relative humidity(%) Dew point(°C) Wind Chill
19 February 2026
1:00 ENE 10 N/A N/A 101.3 -4 65 -9 -10
0:00 ESE 6 N/A N/A 101.4 -3 64 -9 -8
18 February 2026
23:00 E 10 gusts 15 N/A N/A 101.3 -4 67 -9 -10
22:00 ESE 5 N/A N/A 101.2 -4 69 -8 -8
21:00 ESE 9 N/A N/A 101.2 -4 78 -7 -10
20:00 E 10 N/A N/A 101.2 -4 89 -6 -10
19:00 E 13 gusts 18 N/A N/A 101.1 -5 94 -5 -12
18:00 E 9 gusts 16 N/A N/A 101.1 -5 96 -5 -11
17:00 ESE 15 gusts 22 N/A N/A 101.1 -5 95 -5 -12
16:00 E 10 gusts 16 N/A N/A 101.1 -5 97 -5 -11
15:00 E 12 N/A N/A 100.9 -5 96 -5 -12
14:00 E 11 gusts 16 N/A N/A 101.0 -5 94 -5 -11
13:00 E 11 N/A N/A 101.0 -3 81 -6 -9
12:00 E 11 gusts 17 N/A N/A 101.1 -3 83 -6 -9
11:00 ESE 13 N/A N/A 101.1 -3 75 -6 -9
10:00 E 10 gusts 15 N/A N/A 101.3 -2 76 -6 -8
9:00 E 10 N/A N/A 101.4 -2 78 -6 -8
8:00 ESE 9 N/A N/A 101.4 -3 85 -5 -8
7:00 E 11 N/A N/A 101.4 -3 85 -5 -9
6:00 ENE 9 N/A N/A 101.5 -3 92 -4 -8
5:00 NE 7 N/A N/A 101.5 -3 97 -4 -8
4:00 NE 3 N/A N/A 101.6 -4 99 -4 -7
3:00 NE 2 N/A N/A 101.6 -5 100 -5 -6
2:00 NNE 2 N/A N/A 101.7 -5 100 -5 -6
1:00 calm N/A N/A 101.7 -4 100 -4 *

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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