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Eastern Lake Ontario: Past 24 Hour Conditions

Warnings

 

Brockville

07:00 AM EDT 24 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
24 April 2026
7:00 N 8 N/A N/A 101.6 0 66 -6 -4
6:00 N 5 N/A N/A 101.6 0 66 -6 -4
5:00 NNE 5 N/A N/A 101.6 1 61 -6 *
4:00 NNE 6 N/A N/A 101.6 1 59 -6 *
3:00 NE 8 N/A N/A 101.5 3 54 -6 *
2:00 NNE 14 N/A N/A 101.5 4 49 -6 *
1:00 NE 15 gusts 20 N/A N/A 101.5 6 45 -5 *
0:00 NNE 9 N/A N/A 101.4 9 32 -7 *
23 April 2026
23:00 NNE 9 N/A N/A 101.4 10 28 -8 *
22:00 N 9 N/A N/A 101.4 11 31 -5 *
21:00 NW 6 N/A N/A 101.4 12 32 -4 *
20:00 NW 6 N/A N/A 101.4 13 37 -2 *
19:00 NW 4 N/A N/A 101.3 14 37 -1 *
18:00 NNW 9 N/A N/A 101.3 14 36 -1 *
17:00 NNW 15 N/A N/A 101.4 15 33 -1 *
16:00 NNW 10 N/A N/A 101.4 15 35 -1 *
15:00 NNW 9 gusts 15 N/A N/A 101.5 15 33 -1 *
14:00 NNW 11 gusts 16 N/A N/A 101.5 15 38 1 *
13:00 N 12 gusts 22 N/A N/A 101.6 15 34 -1 *
12:00 NW 8 gusts 15 N/A N/A 101.7 14 43 1 *
11:00 N 8 N/A N/A 101.7 13 40 -1 *
10:00 NE 6 N/A N/A 101.8 11 43 -1 *
9:00 N 6 N/A N/A 101.8 10 45 -2 *
8:00 N 8 N/A N/A 101.7 7 49 -3 *
7:00 N 2 N/A N/A 101.7 4 72 -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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