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Cornwall to Montréal: Past 24 Hour Conditions

Warnings

 

Brockville

01:00 AM EDT 22 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)
22 May 2026
1:00 ENE 1 N/A N/A 102.9 4 94 3
0:00 calm N/A N/A 102.9 5 91 4
21 May 2026
23:00 NE 3 N/A N/A 102.9 6 88 4
22:00 calm N/A N/A 102.9 8 73 3
21:00 N 2 N/A N/A 102.8 10 60 2
20:00 NNW 4 N/A N/A 102.8 13 36 -2
19:00 N 5 N/A N/A 102.7 14 32 -2
18:00 NNW 8 N/A N/A 102.7 14 35 -1
17:00 ENE 7 N/A N/A 102.7 14 34 -2
16:00 NNW 4 N/A N/A 102.7 14 37 -1
15:00 SE 4 N/A N/A 102.7 12 37 -2
14:00 NW 9 N/A N/A 102.8 12 44 0
13:00 NE 8 N/A N/A 102.8 11 45 -1
12:00 NNW 8 N/A N/A 102.9 10 45 -1
11:00 NNE 11 N/A N/A 102.8 9 48 -1
10:00 N 8 N/A N/A 102.9 8 55 -1
9:00 NNE 9 N/A N/A 102.9 7 55 -1
8:00 N 10 N/A N/A 102.8 6 60 -1
7:00 N 10 N/A N/A 102.8 6 62 -1
6:00 N 4 N/A N/A 102.7 5 67 -1
5:00 NNE 7 N/A N/A 102.6 6 62 -1
4:00 NNE 8 N/A N/A 102.5 7 59 0
3:00 NNE 9 N/A N/A 102.4 9 57 1
2:00 NNE 9 N/A N/A 102.3 10 56 2
1:00 N 8 N/A N/A 102.3 11 54 2

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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