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Cornwall to Montréal: Past 24 Hour Conditions

Warnings

 

Roberval Airport

05:00 PM EDT 22 September 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)
22 September 2026
17:00 N 3 Mainly Sunny 40 103.4 13 55 4
16:00 NNW 4 Mainly Sunny 64 103.4 13 56 5
15:00 NW 7 Partly Cloudy 64 103.4 13 60 5
14:00 NNW 4 Partly Cloudy 64 103.5 12 61 5
13:00 NW 3 Partly Cloudy 64 103.5 12 61 5
12:00 NNW 6 Partly Cloudy 64 103.5 11 68 5
11:00 NW 7 Partly Cloudy 64 103.5 9 75 5
10:00 NW 9 Mostly Cloudy 64 103.5 7 81 4
9:00 NW 8 Mostly Cloudy 64 103.5 6 85 4
8:00 NW 8 Partly Cloudy 64 103.4 6 88 4
7:00 WNW 6 Partly Cloudy 64 103.3 4 93 3
6:00 WNW 8 Mainly Clear 40 103.2 4 92 3
5:00 WNW 7 Mainly Clear 40 103.2 4 91 3
4:00 WNW 8 Mainly Clear 40 103.1 4 88 3
3:00 WNW 8 Mainly Clear 40 103.1 4 86 2
2:00 WNW 6 Mostly Cloudy 40 103.1 5 87 3
1:00 WNW 5 Mainly Clear 40 103.0 5 85 3
0:00 NW 8 Mainly Clear 40 103.0 7 80 3
21 September 2026
23:00 NW 7 Mostly Cloudy 40 103.0 8 76 4
22:00 WNW 8 Cloudy 40 102.9 8 73 4
21:00 WNW 6 Cloudy 40 102.9 8 74 4
20:00 W 6 Cloudy 40 102.8 9 74 4
19:00 W 5 Cloudy 40 102.7 9 77 5
18:00 W 6 Mostly Cloudy 64 102.7 10 70 4
17:00 NW 8 Mostly Cloudy 64 102.6 10 67 4

If you require additional historical weather information, please visit Climate Data Online

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Map of St. Lawrence - St. Lawrence River marine weather areas Grand Manan New Carlisle Pointe-au-Père Fundy Park (Alma) Port Menier Miramichi Île Bicquette Charlo Cap-Chat Bathurst Airport CFB Bagotville Jonquière Mistook Normandin Roberval Airport Île-d'Orléans - Quai de St-Jean Deschambault North Bay Airport Beauport L'Isle-aux-Grues Bas Caraquet Lake Nipissing - 45152 Pointe-des-Monts L'Assomption Baie-Comeau Airport Saint-Anicet Cap-Rouge Sainte-Anne-de-Bellevue Lac Memphrémagog Montréal Metropolitain Airport Île Rouge Montréal-Trudeau Int'l Airport Lac Saint-Pierre Trois-Rivières Airport Pointe de l'Islet Pointe Claveau Sept-Îles Airport Kouchibouguac North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport La Pocatière Miscou Island Mont-Joli Airport
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