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

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St. Catharines / Niagara District Airport

06:00 AM EDT 18 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
18 June 2026
6:00 W 10 N/A N/A 99.1 19 92 18 *
5:00 S 9 gusts 15 N/A N/A 99.2 18 90 17 *
4:00 SSE 13 N/A N/A 99.3 18 92 17 *
3:00 S 12 gusts 18 N/A N/A 99.5 18 94 17 *
2:00 S 12 gusts 19 N/A N/A 99.8 17 90 15 *
1:00 SE 5 N/A N/A 99.9 18 78 14 *
0:00 SE 8 N/A N/A 100.0 17 85 14 *
17 June 2026
23:00 ESE 7 N/A N/A 100.2 17 90 15 *
22:00 SE 6 N/A N/A 100.3 17 90 15 *
21:00 SSE 4 Light Rain 24 100.4 17 85 15 *
20:00 SW 7 Light Rain 19 100.5 19 72 14 *
19:00 SW 11 Cloudy 24 100.5 20 60 12 22
18:00 SW 15 gusts 21 Mostly Cloudy 24 100.6 20 61 12 23
17:00 SW 11 gusts 21 Mostly Cloudy 24 100.5 21 60 13 24
16:00 SSW 17 gusts 24 Mostly Cloudy 24 100.4 22 58 13 25
15:00 SSW 17 gusts 22 Mostly Cloudy 24 100.4 22 56 13 25
14:00 SW 10 gusts 21 Mostly Cloudy 24 100.5 23 60 15 26
13:00 SW 9 gusts 17 Mostly Cloudy 24 100.5 22 76 17 27
12:00 SSW 14 Mostly Cloudy 24 100.5 19 74 15 *
11:00 SSW 10 Mostly Cloudy 24 100.4 21 70 15 25
10:00 SW 12 Mostly Cloudy 24 100.5 20 72 15 *
9:00 SW 12 gusts 19 Partly Cloudy 24 100.5 20 73 15 *
8:00 S 9 gusts 15 Partly Cloudy 24 100.5 17 79 14 *
7:00 S 10 Mostly Cloudy 24 100.5 15 83 12 *
6:00 S 10 N/A N/A 100.4 15 82 12 *

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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