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Lake Simcoe: Past 24 Hour Conditions

Warnings

 

Tobermory

09:00 PM EDT 20 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)
20 May 2026
21:00 NW 8 N/A N/A 102.5 5 79 2
20:00 NW 10 N/A N/A 102.4 6 70 1
19:00 WNW 9 gusts 17 N/A N/A 102.5 7 67 1
18:00 WNW 11 gusts 17 N/A N/A 102.4 7 66 1
17:00 WNW 8 gusts 17 N/A N/A 102.4 8 65 2
16:00 WNW 10 gusts 16 N/A N/A 102.4 8 66 2
15:00 WNW 12 gusts 21 N/A N/A 102.4 7 67 2
14:00 WNW 13 N/A N/A 102.4 7 73 3
13:00 WNW 11 gusts 17 N/A N/A 102.4 7 74 2
12:00 WNW 11 gusts 18 N/A N/A 102.3 7 78 3
11:00 NW 11 gusts 18 N/A N/A 102.3 6 75 2
10:00 NW 11 gusts 18 N/A N/A 102.2 6 73 1
9:00 WNW 12 gusts 22 N/A N/A 102.1 6 75 1
8:00 WNW 10 gusts 17 N/A N/A 102.1 6 72 1
7:00 WNW 8 gusts 16 N/A N/A 102.0 5 84 2
6:00 WNW 11 gusts 16 N/A N/A 101.9 5 84 2
5:00 WNW 9 gusts 18 N/A N/A 101.9 4 90 3
4:00 WNW 9 N/A N/A 101.8 4 96 4
3:00 WNW 9 gusts 16 N/A N/A 101.8 5 93 4
2:00 WNW 9 N/A N/A 101.7 6 85 3
1:00 NW 12 gusts 20 N/A N/A 101.6 7 79 3
0:00 NW 13 gusts 22 N/A N/A 101.5 6 85 4
19 May 2026
23:00 WNW 15 gusts 24 N/A N/A 101.4 6 92 5
22:00 WNW 12 N/A N/A 101.3 7 96 6
21:00 NW 10 gusts 16 N/A N/A 101.1 10 100 10

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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