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

Warnings

 

Point Petre

02:00 AM EDT 20 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
20 July 2026
2:00 WNW 6 N/A N/A 101.5 15 94 14 *
1:00 WNW 5 N/A N/A 101.5 14 93 13 *
0:00 W 5 N/A N/A 101.5 15 93 14 *
19 July 2026
23:00 WNW 7 N/A N/A 101.5 16 91 14 *
22:00 NW 7 N/A N/A 101.5 16 93 15 *
21:00 WNW 5 N/A N/A 101.4 16 88 14 *
20:00 WNW 4 N/A N/A 101.4 17 79 14 *
19:00 WSW 10 N/A N/A 101.4 19 73 14 *
18:00 W 9 N/A N/A 101.4 20 72 14 *
17:00 WSW 13 gusts 18 N/A N/A 101.4 20 73 15 *
16:00 WSW 13 N/A N/A 101.4 20 76 16 25
15:00 WSW 15 N/A N/A 101.5 20 70 14 *
14:00 W 10 gusts 15 N/A N/A 101.4 19 70 14 *
13:00 W 8 N/A N/A 101.4 19 73 14 *
12:00 W 8 N/A N/A 101.5 19 70 13 *
11:00 WSW 7 N/A N/A 101.4 18 72 13 *
10:00 WNW 7 N/A N/A 101.4 19 61 11 *
9:00 NNW 8 N/A N/A 101.4 18 67 12 *
8:00 NNW 9 N/A N/A 101.3 17 72 12 *
7:00 NW 5 N/A N/A 101.3 16 79 12 *
6:00 NNW 8 N/A N/A 101.2 15 78 11 *
5:00 NNW 6 N/A N/A 101.1 15 83 12 *
4:00 NW 6 N/A N/A 101.1 16 87 13 *
3:00 NW 7 N/A N/A 101.0 16 84 13 *
2:00 NNW 8 N/A N/A 100.9 17 83 14 *

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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