Patterson Lake

47.2084° N, 84.299° W

Patterson Lake, Ontario. 47.2084° N, 84.299° W

Not for navigation. Depths are from government surveys and may be outdated.

borealbound.ca/lakes/on/patterson-lake-near-montreal-river-harbour/, compiled October 9, 2026

Canadian Geographical Names Database, Natural Resources Canada. Contains information licensed under the Open Government Licence – Canada.
HydroLAKES v1.0, Messager et al. 2016 / WWF HydroSHEDS. Licensed under CC BY 4.0.
Census boundaries and population, 2021, Statistics Canada. Adapted from Statistics Canada. This does not constitute an endorsement by Statistics Canada.
Fisheries Management Zones, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
Bathymetry lines and survey index, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
City page weather forecasts and alerts, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).

Patterson Lake covers 0.49 km², Ontario. It lies 27 km east of Montreal River Harbour.

Area: 0.49 km²
Shoreline: 5.1 km
Elevation: 423 m

Today on the water

0.6 °C

Partly CloudyWind calm

Observed at Montreal River Harbour, as of 7:00 a.m. EDT

Hourly forecast, next 24 hours
Time	8 a.m.	11 a.m.	2 p.m.	5 p.m.	8 p.m.	11 p.m.	2 a.m.	5 a.m.
Wind km/h	var. 5	W 20	W 20	var. 5	SE 10	SE 10	SE 10	SE 20
Gusts km/h		40	40					40
Temp. °C	5	8	11	9	5	3	5	7
Precip. %	10	10	0	0	0	0	0	0

Today: A mix of sun and cloud with 30 percent chance of showers early this morning. Becoming sunny this afternoon. Wind becoming west 20 km/h gusting to 40 late this morning. High 11. UV index 3 or moderate.

Weather: Montreal River Harbour (local forecast), as of 7:02 a.m. EDT

Sun and moon

Civil dawn: 7:16 a.m.
Sunrise: 7:47 a.m.
Sunset: 7:00 p.m.
Civil dusk: 7:31 p.m.
Moonrise: 6:39 a.m.
Moonset: 6:19 p.m.
Moon: Waning crescent, 1% lit