Water Temperature of Lake Ontario in Grimsby, Ontario
Current Water Temperature
Measurement Time: Wednesday, June 4, 2025, 7:00 PM EDT
Temperature Locations
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Local Points of Interest
Hamilton, ON; Toronto, ONSponsored Content
Station Name: West Lake Ontario - Grimsby
Station Type: Buoy
Data Source: National Data Buoy Center
Elevation Above Sea Level: 240 feet / 73 meters
Nearest Address:
Grimsby, ON
Niagara Regional District County
GPS Coordinates: 43.25, -79.53
Nearby Water Temperatures
Eighteenmile Creek, Burt, NY (41.2 mi)Buffalo River, Buffalo, NY (41.3 mi)
Erie Canal, Lockport, NY (42.7 mi)
Oak Orchard Creek, Medina, NY (57.8 mi)
Oak Orchard Creek, Kenyonville, NY (61.4 mi)
Cattaraugus Creek, Gowanda, NY (62.2 mi)
Johnson Creek, Kuckville, NY (64.1 mi)
Oak Orchard Creek, Kent, NY (67.6 mi)
Sandy Creek, North Hamlin, NY (81.4 mi)
Allegheny River, Salamanca, NY (86.2 mi)
Walnut Creek, Erie, PA (88.8 mi)
Northrup Creek, North Greece, NY (90.0 mi)
Erie Canal, Rochester, NY (95.1 mi)
Genesee River, Rochester, NY (96.7 mi)
Allen Creek, Brighton, NY (101.2 mi)
Weather for Grimsby, Ontario
Current Weather

Humidity: 84%
Feels Like: 20.3°C
Wind: W 6 mph
Wind Gusts: 12.7 mph
Precipitation: 0.07 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0
Five Day Weather Forecast

Wed
H: 27°C
L: 13°C

Thu
H: 18°C
L: 14°C

Fri
H: 19°C
L: 13°C

Sat
H: 21°C
L: 13°C

Sun
H: 20°C
L: 11°C
Air Quality
Nitrogen Dioxide: 35.52 μg/m3
Sulphur Dioxide: 9.62 μg/m3
Ozone: 75 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:54 PM
Daylight: 15 hrs 15 mins
Moon Transit: 8:41 PM
Moonset: 2:17 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%
Best Times for Fishing or Hunting
Major Periods
9:18 AM - 11:48 AM8:11 PM - 10:41 PM
Minor Periods
2:09 PM - 3:39 PM1:47 AM - 3:17 AM
Action Rating: 2 out of 5
avertissement de grains annulé
Service Notice – April 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, and 2) 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 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, et 2) 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: Wed June 4, 2025, 7:23 PM
Expires: Wed June 4, 2025, 8:23 PM
Squalls have weakened or moved out of the area. ###
avertissement de grains en vigueur
Service Notice – April 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, and 2) 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 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, et 2) 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: Wed June 4, 2025, 6:16 PM
Expires: Wed June 4, 2025, 9:15 PM
Squalls with wind gusts up to 35 knots are expected or occurring in the area. As of 6:15 p.m. EDT, a line of thunderstorms is located from Mississauga to North Burlington, moving east at 35 knots. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Mariners are advised to prepare for squalls. If underway, seek safe harbour immediately.
avertissement de grains en vigueur
Service Notice – April 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, and 2) 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 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, et 2) 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: Wed June 4, 2025, 6:16 PM
Expires: Wed June 4, 2025, 9:15 PM
Squalls with wind gusts up to 35 knots are expected or occurring in the area. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Mariners are advised to prepare for squalls. If underway, seek safe harbour immediately.
avertissement de grains annulé
Service Notice – April 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, and 2) 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 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, et 2) 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: Wed June 4, 2025, 7:23 PM
Expires: Wed June 4, 2025, 8:23 PM
Squalls have weakened or moved out of the area. ###
avertissement de grains en vigueur
Service Notice – April 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, and 2) 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 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, et 2) 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: Wed June 4, 2025, 6:16 PM
Expires: Wed June 4, 2025, 9:15 PM
Squalls with wind gusts up to 35 knots are expected or occurring in the area. As of 6:15 p.m. EDT, a line of thunderstorms is located from Mississauga to North Burlington, moving east at 35 knots. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Mariners are advised to prepare for squalls. If underway, seek safe harbour immediately.
Weather Forecast
Average Temperature: 19.9°C
Average Humidity: 77%
Wind: 16.8 mph
UV Index: 2.2
Air Quality
Nitrogen Dioxide: 20.64 μg/m3
Sulphur Dioxide: 16.01 μg/m3
Ozone: 121.52 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:54 PM
Daylight: 15 hrs 15 mins
Moon Transit: 8:41 PM
Moonset: 2:17 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%
Best Times for Fishing or Hunting
Major Periods
9:18 AM - 11:48 AM8:11 PM - 10:41 PM
Minor Periods
2:09 PM - 3:39 PM1:47 AM - 3:17 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 16.2°C
Average Humidity: 89%
Wind: 6.5 mph
UV Index: 0.7
Air Quality
Nitrogen Dioxide: 45.67 μg/m3
Sulphur Dioxide: 14.81 μg/m3
Ozone: 81.48 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:55 PM
Daylight: 15 hrs 16 mins
Moon Transit: 9:21 PM
Moonset: 2:34 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%
Best Times for Fishing or Hunting
Major Periods
9:57 AM - 12:27 AM8:51 PM - 11:21 PM
Minor Periods
3:11 PM - 4:41 PM2:04 AM - 3:34 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 16.7°C
Average Humidity: 70%
Wind: 7.4 mph
UV Index: 1.5
Air Quality
Nitrogen Dioxide: 82.63 μg/m3
Sulphur Dioxide: 24.58 μg/m3
Ozone: 59.28 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:56 PM
Daylight: 15 hrs 17 mins
Moon Transit: 10:01 PM
Moonset: 2:51 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.3%
Best Times for Fishing or Hunting
Major Periods
10:37 AM - 1:07 PM12:00 AM - 12:00 AM
Minor Periods
4:14 PM - 5:44 PM2:21 AM - 3:51 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 17.5°C
Average Humidity: 64%
Wind: 9.8 mph
UV Index: 1.6
Air Quality
Nitrogen Dioxide: 51.09 μg/m3
Sulphur Dioxide: 15.21 μg/m3
Ozone: 78.48 μg/m3
Astronomical
Sun Transit: 1:17 PM
Sunset: 8:56 PM
Daylight: 15 hrs 18 mins
Moon Transit: 10:44 PM
Moonset: 3:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.5%
Best Times for Fishing or Hunting
Major Periods
11:19 AM - 1:49 PM12:00 AM - 12:00 AM
Minor Periods
5:18 PM - 6:48 PM2:40 AM - 4:10 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 15.4°C
Average Humidity: 74%
Wind: 7.8 mph
UV Index: 1.8
Air Quality
Nitrogen Dioxide: 35.62 μg/m3
Sulphur Dioxide: 11.1 μg/m3
Ozone: 63.77 μg/m3
Astronomical
Sun Transit: 1:17 PM
Sunset: 8:57 PM
Daylight: 15 hrs 19 mins
Moon Transit: 11:29 PM
Moonset: 3:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.7%
Best Times for Fishing or Hunting
Major Periods
12:03 AM - 2:33 PM12:00 AM - 12:00 AM
Minor Periods
6:23 PM - 7:53 PM3:03 AM - 4:33 AM
Action Rating: 2 out of 5