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Lake Simcoe: Past 24 Hour Conditions

Warnings

 

Peterborough Municipal Airport

08:00 AM EDT 12 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
12 July 2026
8:00 W 2 Sunny 15 102.4 15 86 13 *
7:00 calm Sunny 11 102.3 12 98 12 *
6:00 S 2 Mist 5 102.3 10 99 10 *
5:00 calm Mist 2 102.3 10 98 9 *
4:00 calm Mist 6 102.2 11 98 11 *
3:00 calm Mist 10 102.2 12 98 12 *
2:00 calm Clear 13 102.2 13 97 12 *
1:00 calm Clear 16 102.2 13 97 13 *
0:00 W 3 Clear 16 102.2 14 90 13 *
11 July 2026
23:00 calm Clear 16 102.1 15 87 13 *
22:00 calm Clear 13 102.0 17 84 14 *
21:00 E 4 Clear 16 101.9 21 52 11 23
20:00 NE 5 Sunny 16 101.9 24 45 12 27
19:00 ENE 5 Mostly Cloudy 16 101.8 26 42 12 28
18:00 SE 2 Partly Cloudy 16 101.8 25 54 15 29
17:00 ENE 3 Mainly Sunny 16 101.8 25 49 14 29
16:00 E 6 Mainly Sunny 16 101.8 27 42 13 29
15:00 ENE 2 Mostly Cloudy 16 101.8 26 43 12 28
14:00 E 5 Partly Cloudy 16 101.8 26 43 13 29
13:00 E 3 Partly Cloudy 16 101.9 26 43 13 29
12:00 NE 4 Mainly Sunny 16 101.9 24 55 15 28
11:00 E 5 Sunny 16 101.9 24 55 15 28
10:00 ENE 5 Sunny 16 101.9 23 61 15 27
9:00 NE 7 Sunny 16 101.8 22 66 15 25
8:00 NE 6 Sunny 16 101.8 20 76 16 *

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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