| Mon May 20 | Tue May 21 | Wed May 22 | Thu May 23 | |
| Tmin 18-06 |
17°C | 19°C | 18°C | 16°C |
| Tmax 06-18 |
28°C | 28°C | 26°C | 17°C |
| morning 24-06 |
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| a.m. 06-12 |
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| p.m. 12-18 |
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| evening 18-24 |
| Nearby Forecast Locations - Harrow | Distance |
| Grosse Isle | 22.0 km |
| Windsor | 26.6 km |
| Forecast: Harrow Region Expect a mix of sun and clouds in the days to come. On Tuesday and Wednesday can occur. Daytime temperature reaches 27 degrees. |