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Lake Simcoe: Past 24 Hour Conditions

Warnings

 

Sault Ste. Marie Airport

09:00 PM EDT 09 May 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)
09 May 2026
21:00 WNW 12 Mostly Cloudy 32 100.7 4 75 0
20:00 WNW 15 gusts 21 Partly Cloudy 32 100.6 5 79 1
19:00 NW 20 gusts 26 Partly Cloudy 40 100.5 6 76 2
18:00 WNW 17 gusts 24 Mostly Cloudy 40 100.4 6 79 3
17:00 WNW 18 gusts 24 Mostly Cloudy 24 100.3 6 80 3
16:00 NW 22 gusts 27 Mostly Cloudy 24 100.1 8 60 1
15:00 WNW 18 gusts 25 Mostly Cloudy 24 100.0 11 52 1
14:00 WNW 13 Mostly Cloudy 19 99.9 11 56 3
13:00 WNW 8 Mostly Cloudy 24 99.8 10 60 3
12:00 WNW 7 Mostly Cloudy 24 99.8 10 61 3
11:00 ENE 6 Mostly Cloudy 24 99.7 11 62 4
10:00 WNW 3 Mostly Cloudy 24 99.8 10 56 1
9:00 NNE 5 Mostly Cloudy 19 99.8 8 63 1
8:00 E 5 Mostly Cloudy 19 99.8 6 67 1
7:00 ENE 6 Mostly Cloudy 19 99.9 6 68 1
6:00 E 3 Mostly Cloudy 16 99.9 5 73 0
5:00 E 7 Mostly Cloudy 24 100.0 5 71 0
4:00 E 10 Mostly Cloudy 24 100.1 5 69 0
3:00 ENE 7 Mostly Cloudy 24 100.2 5 75 1
2:00 E 5 Mostly Cloudy 24 100.3 5 68 -1
1:00 SE 4 Mostly Cloudy 24 100.4 5 66 -1
0:00 S 6 Partly Cloudy 24 100.5 8 47 -3
08 May 2026
23:00 S 4 Mostly Cloudy 24 100.5 6 60 -1
22:00 N 1 Mostly Cloudy 24 100.5 5 64 -1
21:00 SW 2 Mostly Cloudy 32 100.5 8 45 -3

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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