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| Extended Forecast - Environment Canada | ||||||
Wednesday
 A mix of sun and cloud Max: 22°C |
Thursday
 Periods of rain Max: 14°C |
Friday
A mix of sun and cloud Max: 21°C |
Saturday
A mix of sun and cloud Max: 21°C |
Sunday
 Chance of showers Max: 21°C |
Monday
 Chance of showers Max: 17°C |
Tuesday
Chance of showers Max: 18°C |
| Tonight
Periods of rain Min: 13°C |
Thursday Night
 Periods of drizzle or rain Min: 12°C |
Friday Night
 Cloudy periods Min: 10°C |
Saturday Night
 Chance of showers Min: 9°C |
Sunday Night
 Chance of showers Min: 12°C |
Monday Night
Chance of showers Min: 12°C |
|
Forecast
Markham, ON (Issued: 5:00 AM EDT Wednesday 24 May 2017)
- Wednesday
- Cloudy. Becoming a mix of sun and cloud this morning. Wind becoming east 20 km/h late this morning. High 22. UV index 8 or very high.
- Wednesday night
- Mainly cloudy. Periods of rain beginning after midnight. Amount 5 mm. Wind east 20 km/h. Low 13.
- Thursday
- Periods of rain. Amount 10 to 20 mm. Wind east 30 km/h gusting to 50. Temperature steady near 14.
- Thursday night
- Periods of drizzle or rain. Low 12.
- Friday
- A mix of sun and cloud. High 21.
- Friday night
- Cloudy periods. Low 10.
- Saturday
- A mix of sun and cloud. High 21.
- Saturday night
- Cloudy periods with 30 percent chance of showers. Low 9.
- Sunday
- Cloudy with 30 percent chance of showers. High 21.
- Sunday night
- Cloudy with 40 percent chance of showers. Low 12.
- Monday
- A mix of sun and cloud with 30 percent chance of showers. High 17.
- Monday night
- Cloudy periods with 30 percent chance of showers. Low 12.
- Tuesday
- A mix of sun and cloud with 30 percent chance of showers. High 18.