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

Warnings

 

Harrow AAFC

12:00 PM EDT 19 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
19 May 2026
12:00 S 13 gusts 18 N/A N/A 101.5 23 95 23 33
11:00 S 5 N/A N/A 101.6 22 100 22 30
10:00 SW 11 N/A N/A 101.7 20 100 20 28
9:00 SSW 8 N/A N/A 101.6 20 100 20 28
8:00 SSW 8 N/A N/A 101.6 20 100 20 *
7:00 SW 8 N/A N/A 101.6 19 100 19 *
6:00 SW 8 N/A N/A 101.6 19 100 19 *
5:00 SW 6 N/A N/A 101.6 19 100 19 *
4:00 SSW 6 N/A N/A 101.5 19 100 19 *
3:00 SSW 6 N/A N/A 101.5 19 100 19 *
2:00 SW 6 N/A N/A 101.5 19 100 19 *
1:00 SW 8 N/A N/A 101.5 19 100 19 *
0:00 WSW 9 N/A N/A 101.5 20 100 20 *
18 May 2026
23:00 SSW 11 gusts 16 N/A N/A 101.5 20 100 20 *
22:00 SSW 7 N/A N/A 101.6 19 100 19 *
21:00 SSW 6 N/A N/A 101.6 18 100 18 *
20:00 SSW 8 N/A N/A 101.5 19 100 19 *
19:00 SSW 8 N/A N/A 101.5 20 100 20 28
18:00 W 15 gusts 25 N/A N/A 101.5 20 100 20 *
17:00 SSW 12 gusts 19 N/A N/A 101.3 27 58 17 32
16:00 SSW 12 gusts 19 N/A N/A 101.3 28 57 18 34
15:00 SSW 12 N/A N/A 101.3 28 56 19 35
14:00 S 11 gusts 16 N/A N/A 101.4 29 56 19 35
13:00 S 11 N/A N/A 101.5 28 56 19 35
12:00 SW 10 N/A N/A 101.6 28 54 18 34

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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