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

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Gore Bay-Manitoulin Airport

06:00 AM EDT 21 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
21 July 2026
6:00 W 6 Partly Cloudy 16 99.7 19 100 19 *
5:00 WNW 7 gusts 16 Mostly Cloudy 16 99.7 19 98 18 *
4:00 SSW 9 Clear 13 99.7 18 95 17 *
3:00 S 12 gusts 17 Mostly Cloudy 13 99.8 19 94 18 *
2:00 S 20 gusts 30 N/A 16 99.8 18 99 18 *
1:00 S 15 gusts 22 Thunderstorm 10 100.0 19 100 19 *
0:00 SSW 20 gusts 30 Light Rain 8 100.1 19 97 18 *
20 July 2026
23:00 S 14 gusts 20 N/A 16 100.2 19 88 17 *
22:00 S 16 gusts 22 Mostly Cloudy 16 100.3 20 76 16 25
21:00 S 16 gusts 24 Mostly Cloudy 16 100.4 21 75 16 25
20:00 SSW 22 gusts 28 Partly Cloudy 16 100.4 21 70 16 26
19:00 S 18 gusts 26 Sunny 15 100.4 22 73 17 27
18:00 SSW 17 gusts 25 Sunny 13 100.6 23 70 17 28
17:00 S 15 gusts 23 Sunny 15 100.6 20 80 17 25
16:00 S 15 gusts 24 Sunny 16 100.7 21 76 17 26
15:00 S 15 Sunny 16 100.9 22 71 16 26
14:00 SSW 13 gusts 18 Sunny 16 101.0 22 72 17 27
13:00 S 9 Mainly Sunny 16 101.1 20 81 17 *
12:00 SSE 8 Partly Cloudy 16 101.2 19 90 17 *
11:00 S 9 Cloudy 16 101.2 18 92 17 *
10:00 SSE 4 Mostly Cloudy 16 101.2 18 96 17 *
9:00 SE 4 Light Rain 16 101.2 18 92 16 *
8:00 S 7 Cloudy 16 101.3 17 90 16 *
7:00 S 6 Partly Cloudy 16 101.2 17 89 15 *
6:00 SSW 10 Mainly Sunny 16 101.3 17 87 15 *

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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