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

Warnings

 

Kemptville

10:00 PM EDT 21 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)
21 May 2026
22:00 ESE 2 N/A N/A 102.9 6 75 2
21:00 calm N/A N/A 102.8 8 58 1
20:00 NNE 2 N/A N/A 102.7 13 33 -3
19:00 NNW 3 N/A N/A 102.7 14 30 -3
18:00 NNW 7 N/A N/A 102.7 15 29 -3
17:00 N 8 N/A N/A 102.7 14 29 -4
16:00 NNE 5 N/A N/A 102.7 14 32 -3
15:00 N 5 N/A N/A 102.7 13 35 -2
14:00 NNW 5 N/A N/A 102.8 12 38 -2
13:00 NW 3 N/A N/A 102.8 11 42 -2
12:00 WNW 9 N/A N/A 102.9 10 49 0
11:00 N 4 N/A N/A 102.8 8 50 -1
10:00 NW 5 N/A N/A 102.9 8 57 -1
9:00 N 3 N/A N/A 102.9 7 56 -1
8:00 N 5 N/A N/A 102.8 6 59 -2
7:00 NNW 5 N/A N/A 102.8 6 63 -1
6:00 NW 2 N/A N/A 102.7 5 64 -1
5:00 N 5 N/A N/A 102.6 6 58 -2
4:00 N 4 N/A N/A 102.5 6 56 -2
3:00 N 4 N/A N/A 102.4 7 57 -1
2:00 N 5 N/A N/A 102.4 9 55 0
1:00 N 8 N/A N/A 102.3 10 51 0
0:00 N 6 N/A N/A 102.2 12 50 2
20 May 2026
23:00 NNW 4 N/A N/A 102.1 13 48 2
22:00 NW 5 N/A N/A 102.0 14 46 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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