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

Warnings

 

Parry Sound Harbour

03:00 PM EDT 20 July 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) Humidex
20 July 2026
15:00 N/A N/A N/A 101.2 22 42 8 *
14:00 N/A N/A N/A 101.3 21 40 7 *
13:00 N/A N/A N/A 101.3 22 46 9 *
12:00 N/A N/A N/A 101.3 21 49 10 22
11:00 N/A N/A N/A 101.4 21 51 11 23
10:00 N/A N/A N/A 101.3 20 61 12 23
9:00 N/A N/A N/A 101.4 19 68 13 *
8:00 N/A N/A N/A 101.4 17 79 13 *
7:00 N/A N/A N/A 101.4 14 98 13 *
6:00 N/A N/A N/A 101.4 13 99 13 *
5:00 N/A N/A N/A 101.4 13 96 13 *
4:00 N/A N/A N/A 101.5 14 94 13 *
3:00 N/A N/A N/A 101.5 14 92 13 *
2:00 N/A N/A N/A 101.5 15 82 12 *
1:00 N/A N/A N/A 101.5 18 68 12 *
0:00 N/A N/A N/A 101.5 18 66 12 *
19 July 2026
23:00 N/A N/A N/A 101.5 18 67 12 *
22:00 N/A N/A N/A 101.5 18 66 12 *
21:00 N/A N/A N/A 101.5 19 63 12 *
20:00 N/A N/A N/A 101.5 20 57 11 *
19:00 N/A N/A N/A 101.5 20 51 9 *
18:00 N/A N/A N/A 101.5 20 50 10 21
17:00 N/A N/A N/A 101.6 21 56 12 23
16:00 N/A N/A N/A 101.6 20 55 11 22
15:00 N/A N/A N/A 101.6 22 56 13 24

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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