Water Temperature of Lake Ontario in Grimsby, Ontario
Current Water Temperature
Measurement Time: Friday, December 5, 2025, 1:00 PM EST
Temperature Locations
View Nearby Locations View All Ontario Locations View Locations Near Me
Local Points of Interest
Hamilton, ON; Toronto, ONStation Name: West Lake Ontario - Grimsby
Station Type: Buoy
Data Source: National Data Buoy Center
Elevation Above Sea Level: 73 meters
Nearest Address:
Grimsby, ON
Niagara Regional District County
GPS Coordinates: 43.25, -79.53
Nearby Water Temperatures
Eighteenmile Creek, Burt, NY (66.3 km)Buffalo River, Buffalo, NY (66.4 km)
Erie Canal, Lockport, NY (68.7 km)
Oak Orchard Creek, Medina, NY (93.1 km)
Oak Orchard Creek, Kenyonville, NY (98.9 km)
Cattaraugus Creek, Gowanda, NY (100.0 km)
Johnson Creek, Kuckville, NY (103.1 km)
Oak Orchard Creek, Kent, NY (108.8 km)
Sandy Creek, North Hamlin, NY (131.1 km)
Allegheny River, Salamanca, NY (138.7 km)
Walnut Creek, Erie, PA (142.9 km)
Northrup Creek, North Greece, NY (144.8 km)
Erie Canal, Rochester, NY (153.0 km)
Genesee River, Rochester, NY (155.6 km)
Allen Creek, Brighton, NY (162.9 km)
Weather for Grimsby, Ontario
Current Weather

Five Day Weather Forecast

Sat
H: 14°C
L: 9°C

Sun
H: 16°C
L: 9°C

Mon
H: 18°C
L: 12°C

Tue
H: 20°C
L: 14°C

Wed
H: 18°C
L: 12°C
Air Quality
Nitrogen Dioxide: 10.05 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 71 μg/m3
Astronomical
Sun Transit: 1:14 PM
Sunset: 8:44 PM
Daylight: 14 hrs 57 mins
Moon Transit: 7:54 PM
Moonset: 2:08 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%
Best Times for Fishing or Hunting
Major Periods
8:28 AM - 10:58 AM7:24 PM - 9:54 PM
Minor Periods
12:37 AM - 2:07 PM1:38 AM - 3:08 AM
Action Rating: 2 out of 5
special weather statement in effect
Service Notice – April 2026: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For Spring 2026, changes are expected to include... 1) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard is tentatively set for June 2026 deployment. Data changes will appear in CAP following this deployment, 2) marine alerts will now be issued for smaller zone splits in certain areas of Atlantic and Pacific waters and 3) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – avril 2026: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour le printemps 2026, il y aura des changements incluant... 1) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique devrait être déployée provisoirement en juin 2026. Des changements de données apparaîtront dans le PAC à la suite de ce déploiement, 2) les alertes marines seront désormais émises pour des subdivisions de zones plus petites dans certaines régions des eaux de l’Atlantique et du Pacifique et 3) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/
Effective: Fri May 22, 2026, 9:15 PM
Expires: Sat May 23, 2026, 1:15 PM
Heavy rain is expected. What: Rainfall amounts of 30 to 50 mm possible. When: Overnight through Saturday evening. Additional information: A low pressure system is expected to track across the area beginning tonight bringing heavy rain. For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit https://www.ontario.ca/page/floods for the latest details. ### Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
Weather Forecast
Air Quality
Nitrogen Dioxide: 9.58 μg/m3
Sulphur Dioxide: 2.14 μg/m3
Ozone: 66.28 μg/m3
Astronomical
Sun Transit: 1:14 PM
Sunset: 8:44 PM
Daylight: 14 hrs 57 mins
Moon Transit: 7:54 PM
Moonset: 2:08 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%
Best Times for Fishing or Hunting
Major Periods
8:28 AM - 10:58 AM7:24 PM - 9:54 PM
Minor Periods
12:37 AM - 2:07 PM1:38 AM - 3:08 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.55 μg/m3
Sulphur Dioxide: 2.92 μg/m3
Ozone: 59.16 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:45 PM
Daylight: 14 hrs 59 mins
Moon Transit: 8:38 PM
Moonset: 2:29 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%
Best Times for Fishing or Hunting
Major Periods
9:13 AM - 11:43 AM8:08 PM - 10:38 PM
Minor Periods
1:46 PM - 3:16 PM1:59 AM - 3:29 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 31.27 μg/m3
Sulphur Dioxide: 6.49 μg/m3
Ozone: 46.08 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:46 PM
Daylight: 15 hrs 1 mins
Moon Transit: 9:20 PM
Moonset: 2:48 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%
Best Times for Fishing or Hunting
Major Periods
9:55 AM - 12:25 AM8:50 PM - 11:20 PM
Minor Periods
2:52 PM - 4:22 PM2:18 AM - 3:48 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 23.88 μg/m3
Sulphur Dioxide: 3.68 μg/m3
Ozone: 53.24 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:47 PM
Daylight: 15 hrs 2 mins
Moon Transit: 10:01 PM
Moonset: 3:06 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%
Best Times for Fishing or Hunting
Major Periods
10:37 AM - 1:07 PM12:00 AM - 12:00 AM
Minor Periods
3:58 PM - 5:28 PM2:36 AM - 4:06 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 19.32 μg/m3
Sulphur Dioxide: 4.6 μg/m3
Ozone: 58.31 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:48 PM
Daylight: 15 hrs 4 mins
Moon Transit: 10:44 PM
Moonset: 3:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%
Best Times for Fishing or Hunting
Major Periods
11:19 AM - 1:49 PM12:00 AM - 12:00 AM
Minor Periods
5:03 PM - 6:33 PM2:55 AM - 4:25 AM
Action Rating: 2 out of 5
