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Lake Simcoe: Past 24 Hour Conditions

Warnings

 

Greater Sudbury Airport

03:00 AM EDT 15 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)
15 May 2026
3:00 NE 5 Clear 24 101.5 6 63 -1
2:00 N 2 Clear 24 101.6 8 51 -2
1:00 NW 5 Clear 24 101.6 7 60 -1
0:00 NW 6 Clear 24 101.6 8 54 -1
14 May 2026
23:00 NE 3 Clear 24 101.5 10 45 -1
22:00 NE 3 Clear 24 101.5 11 42 -2
21:00 NE 4 Mainly Clear 32 101.5 12 37 -2
20:00 NE 7 Sunny 32 101.4 15 33 -1
19:00 NNE 6 Mainly Sunny 32 101.4 16 29 -2
18:00 NNE 8 Mainly Sunny 32 101.4 16 31 -1
17:00 NE 12 Mainly Sunny 32 101.4 16 29 -2
16:00 NNE 12 Mainly Sunny 32 101.4 16 33 0
15:00 NNE 13 gusts 20 Mainly Sunny 32 101.5 16 33 0
14:00 NNE 15 gusts 22 Partly Cloudy 32 101.5 15 36 0
13:00 NNE 19 gusts 26 Partly Cloudy 32 101.5 14 39 0
12:00 NNE 18 gusts 25 Mainly Sunny 32 101.5 13 45 1
11:00 NNE 16 gusts 26 Mainly Sunny 32 101.5 11 50 1
10:00 NNE 14 gusts 22 Mainly Sunny 32 101.5 9 58 1
9:00 N 11 gusts 17 Mainly Sunny 32 101.5 7 68 2
8:00 N 10 gusts 19 Mainly Sunny 32 101.5 5 74 1
7:00 N 11 Mainly Sunny 32 101.4 4 78 0
6:00 N 9 Mainly Sunny 32 101.3 3 87 1
5:00 N 8 Mainly Clear 24 101.3 3 93 2
4:00 NNW 5 Partly Cloudy 24 101.2 2 100 2
3:00 NNW 5 Partly Cloudy 24 101.2 3 100 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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