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

Warnings

 

Wiarton Airport

07:00 AM EDT 12 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
12 July 2026
7:00 SE 3 Mainly Sunny 24 102.3 14 100 14 *
6:00 S 3 Shallow Fog 24 102.3 13 100 13 *
5:00 ESE 2 Mainly Clear 24 102.2 14 100 14 *
4:00 E 2 Mainly Clear 24 102.2 13 100 13 *
3:00 E 2 Mainly Clear 24 102.2 13 100 13 *
2:00 E 2 Clear 24 102.2 13 100 13 *
1:00 E 3 Clear 24 102.2 14 100 14 *
0:00 ESE 3 Clear 24 102.2 14 100 14 *
11 July 2026
23:00 ESE 4 Clear 24 102.2 15 100 15 *
22:00 N 1 Mainly Clear 24 102.1 17 87 15 *
21:00 ENE 3 Sunny 24 102.0 21 58 12 23
20:00 NE 4 Sunny 24 102.0 22 56 13 25
19:00 NNE 4 Sunny 24 102.0 24 45 11 26
18:00 NNE 5 Sunny 24 102.0 24 44 12 26
17:00 NE 4 Mainly Sunny 24 101.9 25 41 11 27
16:00 NE 8 Mainly Sunny 24 102.0 25 37 9 26
15:00 NE 6 Sunny 24 102.0 25 39 10 26
14:00 NE 10 Sunny 24 102.0 24 54 14 28
13:00 NNE 5 Mainly Sunny 24 102.0 24 63 17 29
12:00 NNE 5 Mainly Sunny 24 102.0 24 71 19 31
11:00 NE 6 Mainly Sunny 24 102.0 24 69 18 30
10:00 ENE 8 Sunny 24 101.9 24 62 16 28
9:00 ENE 8 Sunny 24 101.9 22 71 17 27
8:00 NE 4 Mainly Sunny 24 101.8 21 87 19 27
7:00 NE 3 Mainly Sunny 24 101.8 18 100 18 *

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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