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

Warnings

 

Harrow AAFC

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 NNE 2 N/A N/A 102.4 0 100 0 -1
1:00 NNE 5 N/A N/A 102.4 1 100 1 *
0:00 NNE 6 N/A N/A 102.3 2 100 2 *
19 April 2026
23:00 NNE 6 N/A N/A 102.2 2 95 2 *
22:00 N 6 N/A N/A 102.1 5 69 -1 *
21:00 N 2 N/A N/A 102.0 5 72 0 *
20:00 NNW 6 N/A N/A 101.9 8 45 -4 *
19:00 WNW 12 gusts 19 N/A N/A 101.8 9 35 -6 *
18:00 W 17 gusts 23 N/A N/A 101.8 8 48 -2 *
17:00 WSW 13 gusts 24 N/A N/A 101.7 10 45 -2 *
16:00 W 12 gusts 21 N/A N/A 101.7 10 40 -3 *
15:00 WSW 15 gusts 23 N/A N/A 101.8 9 41 -4 *
14:00 WNW 8 gusts 17 N/A N/A 101.8 10 35 -5 *
13:00 WNW 10 N/A N/A 101.8 8 42 -4 *
12:00 W 9 gusts 22 N/A N/A 101.8 8 42 -5 *
11:00 W 15 N/A N/A 101.9 8 38 -6 *
10:00 W 11 gusts 17 N/A N/A 101.9 7 49 -3 *
9:00 W 12 N/A N/A 101.9 6 51 -4 *
8:00 W 5 N/A N/A 101.8 4 58 -3 *
7:00 W 5 N/A N/A 101.8 3 62 -4 *
6:00 WNW 8 N/A N/A 101.7 4 59 -3 *
5:00 WNW 8 N/A N/A 101.7 4 62 -2 *
4:00 WNW 10 N/A N/A 101.6 6 51 -3 *
3:00 WNW 8 gusts 16 N/A N/A 101.6 7 53 -2 *
2:00 WNW 10 gusts 18 N/A N/A 101.5 7 60 0 *

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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