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Lake Simcoe: Past 24 Hour Conditions

Warnings

 

St. Catharines / Niagara District Airport

04:00 AM EDT 08 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)
08 May 2026
4:00 W 4 N/A N/A 101.2 6 91 5
3:00 WSW 5 N/A N/A 101.2 6 94 5
2:00 SW 6 N/A N/A 101.2 5 97 5
1:00 S 3 N/A N/A 101.2 4 100 4
0:00 SSW 6 N/A N/A 101.2 4 100 4
07 May 2026
23:00 SSW 5 N/A N/A 101.2 5 100 5
22:00 S 5 N/A N/A 101.2 5 97 5
21:00 WNW 5 Light Rainshower 24 101.2 7 88 5
20:00 WSW 6 Cloudy 24 101.1 8 82 5
19:00 WSW 9 Light Rainshower 24 101.1 8 80 5
18:00 WSW 8 Mostly Cloudy 16 101.1 10 61 3
17:00 SW 5 Mostly Cloudy 24 101.0 11 59 3
16:00 SSW 8 Mostly Cloudy 24 101.1 11 65 4
15:00 WNW 13 Mostly Cloudy 24 101.1 10 57 2
14:00 NNW 3 Mostly Cloudy 24 101.1 11 53 2
13:00 NW 5 Mostly Cloudy 24 101.2 11 51 1
12:00 N 5 Partly Cloudy 24 101.2 10 57 2
11:00 NW 6 Partly Cloudy 24 101.3 10 58 2
10:00 calm Mainly Sunny 24 101.3 9 61 2
9:00 ESE 2 Partly Cloudy 24 101.3 7 67 1
8:00 E 4 Partly Cloudy 24 101.3 6 78 2
7:00 W 4 Mostly Cloudy 24 101.3 4 80 1
6:00 NW 2 N/A N/A 101.3 4 100 4
5:00 NW 2 N/A N/A 101.3 3 100 3
4:00 calm N/A N/A 101.3 4 99 4

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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