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Great Lakes - Lake Erie and Lake Ontario: Past 24 Hour Conditions

Warnings

 

CFB Trenton

05:00 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
5:00 NW 3 Clear 24 102.1 -1 70 -6 -3
4:00 WNW 6 Clear 24 102.0 -1 67 -7 -5
3:00 WNW 7 Clear 24 101.9 -1 64 -7 -5
2:00 WNW 6 Clear 24 101.9 -1 63 -7 -4
1:00 WNW 8 Clear 24 101.9 0 59 -7 -5
0:00 WNW 12 gusts 17 Clear 24 101.8 1 49 -9 *
19 April 2026
23:00 WNW 15 gusts 21 Clear 24 101.7 2 49 -8 *
22:00 W 11 gusts 20 Clear 24 101.7 3 47 -7 *
21:00 WNW 11 gusts 16 Clear 24 101.7 4 47 -7 *
20:00 W 10 gusts 15 Mainly Clear 24 101.6 4 48 -6 *
19:00 WNW 13 gusts 18 Mostly Cloudy 24 101.5 6 46 -5 *
18:00 WSW 10 Mostly Cloudy 24 101.5 6 63 -1 *
17:00 WSW 11 gusts 19 Mostly Cloudy 24 101.4 6 67 0 *
16:00 W 15 gusts 21 Mostly Cloudy 24 101.4 8 37 -6 *
15:00 NW 15 gusts 24 Mostly Cloudy 24 101.4 7 39 -6 *
14:00 WNW 13 gusts 21 Mostly Cloudy 24 101.4 7 40 -6 *
13:00 WNW 11 gusts 21 Mostly Cloudy 24 101.4 7 45 -4 *
12:00 NNW 10 gusts 20 Mostly Cloudy 24 101.4 6 59 -1 *
11:00 WNW 8 Mostly Cloudy 24 101.5 4 83 1 *
10:00 WSW 10 Cloudy 24 101.4 5 73 0 *
9:00 WSW 7 Cloudy 24 101.5 4 70 -1 *
8:00 SW 6 Cloudy 24 101.4 4 70 -1 *
7:00 WSW 5 Cloudy 24 101.4 4 69 -2 *
6:00 W 7 Light Rain and Snow 24 101.3 4 65 -2 *
5:00 W 7 Cloudy 24 101.4 4 67 -2 *

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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