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

Warnings

 

Lake Simcoe Regional Airport

08:00 AM EDT 18 April 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)
18 April 2026
8:00 SSE 12 gusts 17 N/A N/A 100.6 11 86 9
7:00 SSE 3 N/A N/A 100.7 9 94 9
6:00 SE 6 N/A N/A 100.8 9 91 8
5:00 SE 5 N/A N/A 100.9 9 84 7
4:00 SE 6 N/A N/A 101.0 9 84 7
3:00 SE 6 N/A N/A 101.1 9 83 7
2:00 SSE 6 N/A N/A 101.3 10 80 6
1:00 S 2 N/A N/A 101.4 9 83 6
0:00 SSE 3 N/A N/A 101.4 10 82 7
17 April 2026
23:00 SSE 5 N/A N/A 101.5 11 77 7
22:00 SSE 5 N/A N/A 101.5 12 75 7
21:00 SSE 7 N/A N/A 101.5 13 73 8
20:00 SE 6 N/A N/A 101.4 14 70 9
19:00 SSE 6 N/A N/A 101.5 17 60 9
18:00 SSE 5 N/A N/A 101.6 19 52 9
17:00 S 5 N/A N/A 101.6 19 59 11
16:00 SSE 4 N/A N/A 101.7 19 56 10
15:00 SSE 6 N/A N/A 101.7 18 55 9
14:00 SE 4 N/A N/A 101.8 18 59 10
13:00 SE 6 N/A N/A 101.8 15 66 9
12:00 ESE 5 N/A N/A 101.8 14 70 9
11:00 ESE 2 N/A N/A 101.8 13 86 11
10:00 N 2 N/A N/A 101.8 10 98 10
9:00 NNE 5 N/A N/A 101.7 9 100 9
8:00 N 6 N/A N/A 101.6 9 100 9

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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