Jeffrey Lake
45.0192° N, 77.8772° W
Jeffrey Lake, Ontario. 45.0192° N, 77.8772° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/jeffrey-lake/, 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.
- Lake Partner Program, Ontario Ministry of the Environment, Conservation and Parks. 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).
Jeffrey Lake covers 0.43 km², Ontario. It lies 10 km southwest of Bancroft.
- Area
- 0.43 km²
- Shoreline
- 4.7 km
- Elevation
- 369 m
Today on the water
3.4 °C
Observed at Bancroft, as of 8:00 a.m. EDT
| Time | 9 a.m. | 12 p.m. | 3 p.m. | 6 p.m. | 9 p.m. | 12 a.m. | 3 a.m. | 6 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 15 | NW 30 | NW 30 | NW 15 | var. 5 | var. 5 | var. 5 | var. 5 |
| Gusts km/h | 50 | 50 | ||||||
| Temp. °C | 5 | 9 | 12 | 11 | 5 | 1 | -2 | -2 |
| Precip. % | 40 | 40 | 20 | 20 | 0 | 0 | 0 | 0 |
Today: A mix of sun and cloud. 40 percent chance of showers this morning and early this afternoon. Wind becoming northwest 30 km/h gusting to 50 near noon. High 13. UV index 4 or moderate.
Weather: Bancroft (local forecast), as of 8:03 a.m. EDT
Sun and moon
- Civil dawn
- 6:50 a.m.
- Sunrise
- 7:19 a.m.
- Sunset
- 6:37 p.m.
- Civil dusk
- 7:06 p.m.
- Moonrise
- 6:11 a.m.
- Moonset
- 5:55 p.m.
- Moon
- Waning crescent, 1% lit
Water
16 µg/L71217