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Eastern Lake Ontario: Past 24 Hour Conditions

Warnings

 

Western Islands

02:00 AM EDT 20 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) Wind Chill
20 April 2026
2:00 N 22 N/A N/A 102.1 -1 50 -10 -8
1:00 NW 25 gusts 30 N/A N/A 102.1 -1 66 -6 -9
0:00 NW 25 N/A N/A 102.0 -1 71 -5 -9
19 April 2026
23:00 WNW 23 gusts 28 N/A N/A 102.0 -1 68 -6 -8
22:00 NW 24 N/A N/A 101.9 0 62 -7 -8
21:00 WNW 26 N/A N/A 101.8 0 58 -7 -8
20:00 WNW 24 N/A N/A 101.8 0 58 -7 *
19:00 WNW 26 N/A N/A 101.7 0 60 -7 *
18:00 WNW 26 N/A N/A 101.7 0 60 -7 *
17:00 WNW 24 N/A N/A 101.7 0 64 -6 *
16:00 W 22 N/A N/A 101.6 1 60 -6 *
15:00 WNW 23 N/A N/A 101.6 1 62 -6 *
14:00 WNW 23 N/A N/A 101.6 1 63 -5 *
13:00 WNW 16 N/A N/A 101.6 1 78 -3 *
12:00 WSW 12 N/A N/A 101.6 1 70 -3 *
11:00 WSW 10 N/A N/A 101.6 1 70 -4 *
10:00 W 11 N/A N/A 101.6 1 67 -5 *
9:00 W 13 N/A N/A 101.5 1 69 -4 *
8:00 WNW 12 N/A N/A 101.5 1 69 -5 *
7:00 WNW 13 N/A N/A 101.4 0 70 -5 *
6:00 WNW 16 N/A N/A 101.4 0 74 -4 *
5:00 NW 18 N/A N/A 101.4 0 75 -4 *
4:00 NW 16 N/A N/A 101.3 1 88 -1 *
3:00 WNW 10 N/A N/A 101.3 2 78 -2 *
2:00 WSW 8 N/A N/A 101.3 2 81 -1 *

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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