McGregor, ON
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Current ConditionsObserved at: Windsor Airport
ForecastForecast issued:
17 May
27°C
30%
Chance of showers
17°C
30%
Chance of showers
18 May
32°C
Sunny
21°C
Clear
19 May
32°C
40%
Chance of showers
18°C
30%
Chance of showers
20 May
22°C
30%
Chance of showers
7°C
Cloudy periods
21 May
15°C
A mix of sun and cloud
6°C
Cloudy periods
22 May
17°C
A mix of sun and cloud
MetNotes (1): A message from your forecaster
Valid: 12:00 PM EDT Monday 18 May 2026 - 4:00 AM EDT Wednesday 20 May 2026 The first spell of hot and humid weather of the season is expected. Temperatures will be about 10 degrees above normal. Never leave people, especially children, or pets inside a parked vehicle.
Detailed ForecastForecast issued:
| Date | Detailed Forecast |
|---|---|
| Tonight | Clear. Becoming partly cloudy after midnight. Wind west 20 km/h gusting to 40 becoming light this evening. Low 15. |
| Sun, 17 May | Mainly cloudy. 30 percent chance of showers late in the afternoon with risk of a thunderstorm. Wind becoming west 20 km/h gusting to 40 then south 30 late in the morning. High 27. Humidex 34. UV index 8 or very high. |
| Night | Partly cloudy with 30 percent chance of showers early in the evening and risk of a thunderstorm. Clearing in the evening. Wind east 30 km/h becoming light in the evening. Wind becoming south 20 before morning. Low 17. |
| Mon, 18 May | Sunny. High 32. |
| Night | Clear. Low 21. |
| Tue, 19 May | A mix of sun and cloud with 40 percent chance of showers. Windy. High 32. |
| Night | Cloudy with 30 percent chance of showers. Low 18. |
| Wed, 20 May | Cloudy with 30 percent chance of showers. High 22. |
| Night | Cloudy periods. Low 7. |
| Thu, 21 May | A mix of sun and cloud. High 15. |
| Night | Cloudy periods. Low 6. |
| Fri, 22 May | A mix of sun and cloud. High 17. |
| Normals | Max21°C.Min9°C. | Sunrise | 6:10 EDT | Sunset | 20:47 EDT |
|---|
Detailed ForecastForecast issued:
27°C
Night: Partly cloudy with 30 percent chance of showers early in the evening and risk of a thunderstorm. Clearing in the evening. Wind east 30 km/h becoming light in the evening. Wind becoming south 20 before morning. Low 17.
32°C
Night: Clear. Low 21.
32°C
Night: Cloudy with 30 percent chance of showers. Low 18.
22°C
Night: Cloudy periods. Low 7.
15°C
Night: Cloudy periods. Low 6.
17°C
- Normals:
- Max21°C.Min9°C.
- Sunrise:
- 6:10 EDT
- Sunset:
- 20:47 EDT
Historical Weather Data
The Historical Climate Data website provides a Historical data search and download for past Canadian hourly, daily and monthly weather data. It also provides Almanac Averages and Extremes temperature and precipitation values for a particular station over its entire period of record.
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