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

Warnings

 

Harrow AAFC

12:00 AM EDT 28 July 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
28 July 2026
0:00 SW 5 N/A N/A 100.5 24 86 21 32
27 July 2026
23:00 SW 3 N/A N/A 100.5 23 89 22 32
22:00 SSW 2 N/A N/A 100.6 22 98 22 31
21:00 SSW 2 N/A N/A 100.5 24 92 23 34
20:00 SSW 2 N/A N/A 100.5 26 75 21 35
19:00 calm N/A N/A 100.6 27 66 20 34
18:00 WSW 11 N/A N/A 100.6 27 62 19 34
17:00 W 9 gusts 15 N/A N/A 100.8 28 63 20 36
16:00 W 5 N/A N/A 100.8 28 69 21 36
15:00 WSW 7 N/A N/A 100.8 27 71 22 36
14:00 SSW 9 N/A N/A 100.6 28 71 23 38
13:00 SSW 8 N/A N/A 100.9 28 74 23 38
12:00 SW 9 N/A N/A 101.0 27 79 23 38
11:00 WSW 8 N/A N/A 101.0 27 81 23 37
10:00 WSW 8 N/A N/A 101.1 26 83 23 36
9:00 SW 4 N/A N/A 101.1 25 91 23 35
8:00 SW 2 N/A N/A 101.1 23 95 23 33
7:00 W 3 N/A N/A 101.1 22 100 N/A *
6:00 WSW 3 N/A N/A 101.0 21 100 21 30
5:00 W 3 N/A N/A 101.1 21 99 21 30
4:00 W 3 N/A N/A 101.0 22 98 22 32
3:00 WSW 4 N/A N/A 101.0 22 98 21 31
2:00 WSW 3 N/A N/A 101.0 22 96 21 30
1:00 WSW 3 N/A N/A 101.0 22 95 21 31
0:00 WSW 3 N/A N/A 101.0 22 92 21 31

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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