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

Warnings

 

St. Catharines / Niagara District Airport

08:00 PM EDT 12 June 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 June 2026
20:00 W 8 Mainly Sunny 24 101.0 23 54 13 26
19:00 WNW 12 Mainly Sunny 24 100.9 24 50 13 27
18:00 WNW 11 gusts 17 Mainly Sunny 24 100.9 25 48 13 28
17:00 WNW 16 gusts 23 Partly Cloudy 24 100.8 25 49 13 27
16:00 WNW 15 gusts 22 Partly Cloudy 24 100.8 25 54 15 29
15:00 WNW 16 gusts 24 Partly Cloudy 24 100.8 25 53 15 29
14:00 WNW 15 Mostly Cloudy 48 100.7 26 54 16 31
13:00 WNW 11 gusts 19 Mostly Cloudy 48 100.7 26 60 18 32
12:00 WNW 12 Mostly Cloudy 24 100.7 25 71 20 33
11:00 WSW 16 gusts 23 Cloudy 24 100.7 24 75 19 31
10:00 WSW 12 gusts 19 Mostly Cloudy 24 100.6 26 67 19 33
9:00 W 13 gusts 21 Partly Cloudy 24 100.6 25 73 20 33
8:00 WSW 14 gusts 19 Partly Cloudy 24 100.5 24 78 20 31
7:00 WSW 11 Partly Cloudy 48 100.4 22 85 19 29
6:00 SSE 8 N/A N/A 100.1 22 80 19 29
5:00 SSW 12 gusts 18 N/A N/A 100.4 22 82 19 29
4:00 SSW 10 N/A N/A 100.5 21 84 18 27
3:00 SSW 10 N/A N/A 100.6 21 84 18 27
2:00 S 7 N/A N/A 100.6 21 87 18 27
1:00 SSW 5 N/A N/A 100.7 20 92 19 27
0:00 SW 8 N/A N/A 100.8 22 88 20 29
11 June 2026
23:00 SSW 6 N/A N/A 100.7 21 90 20 29
22:00 WSW 8 N/A N/A 100.6 24 84 21 32
21:00 WSW 9 Mostly Cloudy 24 100.6 24 82 21 32
20:00 SSW 9 Mostly Cloudy 24 100.6 24 82 21 33

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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