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Great Lakes - Lake Erie and Lake Ontario: Past 24 Hour Conditions

Warnings

 

Brockville

08:00 PM EDT 16 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) Humidex
16 May 2026
20:00 SSW 12 N/A N/A 100.9 17 78 13 *
19:00 SW 15 N/A N/A 100.9 18 66 12 *
18:00 SW 12 gusts 21 N/A N/A 100.9 20 50 9 21
17:00 SSW 5 N/A N/A 100.9 20 47 9 21
16:00 SW 9 N/A N/A 100.9 20 43 7 21
15:00 WSW 13 N/A N/A 101.1 20 42 7 *
14:00 SW 12 gusts 17 N/A N/A 101.0 20 41 7 *
13:00 SW 18 N/A N/A 101.1 19 44 7 *
12:00 SSW 9 gusts 20 N/A N/A 101.2 18 47 7 *
11:00 SW 15 N/A N/A 101.4 17 49 7 *
10:00 SW 14 N/A N/A 101.4 17 53 7 *
9:00 SW 10 gusts 15 N/A N/A 101.5 15 58 7 *
8:00 SSW 6 N/A N/A 101.5 12 64 6 *
7:00 SW 6 N/A N/A 101.5 10 73 5 *
6:00 SSW 3 N/A N/A 101.6 8 78 4 *
5:00 SSW 8 N/A N/A 101.5 8 76 4 *
4:00 SSW 6 N/A N/A 101.5 8 80 5 *
3:00 SSW 5 N/A N/A 101.5 9 76 5 *
2:00 SSW 5 N/A N/A 101.5 9 75 5 *
1:00 SSW 5 N/A N/A 101.5 10 75 5 *
0:00 SSW 6 N/A N/A 101.5 10 80 7 *
15 May 2026
23:00 SSW 5 N/A N/A 101.5 11 83 8 *
22:00 SSW 4 N/A N/A 101.5 11 80 8 *
21:00 SSW 5 N/A N/A 101.4 12 75 8 *
20:00 SSW 7 N/A N/A 101.4 14 69 8 *

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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