Currently: 37 °F. Overcast. (Weather station: Toronto Island Airport, Canada). See more current weatherPast Weather in Markham — Graph
Markham Temperature Yesterday
Maximum temperature yesterday: 37 °F (at 3:00 pm)
Minimum temperature yesterday: 30 °F (at 2:00 am)
Average temperature yesterday: 35 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 59 °F (Mar 10, 2:00 pm) | 100% (Mar 6, 2:00 pm) | 30.35 "Hg (Mar 6, 2:00 pm) |
| Low | 16 °F (Mar 17, 4:23 am) | 41% (Mar 12, 7:00 pm) | 29.21 "Hg (Mar 16, 10:51 am) |
| Average | 36 °F | 78% | 29.84 "Hg |
| * Reported Mar 6 12:00 pm — Mar 21 1:00 pm, Markham. Weather by CustomWeather, © 2026 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Markham Weather History for the Previous 24 Hours
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 1:00 pm Sat, Mar 21 | | 37 °F | Overcast. | 6 mph | ↑ | 81% | 30.05 "Hg | 9 mi |
| 12:00 pm | | 37 °F | Overcast. | 6 mph | ↑ | 81% | 30.06 "Hg | 9 mi |
| 11:17 am |  | 37 °F | More clouds than sun. | 6 mph | ↑ | 87% | 30.06 "Hg | 9 mi |
| 11:00 am | | 37 °F | Mostly cloudy. | 6 mph | ↑ | 81% | 30.06 "Hg | 9 mi |
| 10:06 am | | 37 °F | Mostly cloudy. | 3 mph | ↑ | 81% | 30.07 "Hg | 9 mi |
| 9:38 am | | 37 °F | Cloudy. | No wind | ↑ | 81% | 30.06 "Hg | 9 mi |
| 9:00 am | | 37 °F | More clouds than sun. | 3 mph | ↑ | 81% | 30.04 "Hg | 9 mi |
| 8:00 am | | 36 °F | Mostly cloudy. | 5 mph | ↑ | 81% | 30.04 "Hg | 9 mi |
| 7:00 am |  | 36 °F | Mostly cloudy. | 9 mph | ↑ | 81% | 30.03 "Hg | 9 mi |
| 6:25 am | | 36 °F | Overcast. | 5 mph | ↑ | 81% | 30.00 "Hg | 9 mi |
| 6:00 am | | 36 °F | Overcast. | 9 mph | ↑ | 81% | 29.99 "Hg | 9 mi |
| 5:00 am | | 36 °F | Overcast. | 9 mph | ↑ | 81% | 29.97 "Hg | 9 mi |
| 4:00 am | | 36 °F | Overcast. | 9 mph | ↑ | 81% | 29.96 "Hg | 9 mi |
| 3:00 am | | 36 °F | Overcast. | 8 mph | ↑ | 87% | 29.93 "Hg | 9 mi |
| 2:00 am | | 37 °F | Overcast. | 6 mph | ↑ | 81% | 29.93 "Hg | 9 mi |
| 1:00 am |  | 36 °F | Fog. | 6 mph | ↑ | 100% | 29.93 "Hg | 6 mi |
| 12:09 am | | 36 °F | Fog. | 3 mph | ↑ | 100% | 29.91 "Hg | 5 mi |
| 11:41 pm Fri, Mar 20 | | 36 °F | Fog. | 2 mph | ↑ | 100% | 29.90 "Hg | 5 mi |
| 11:15 pm | | 36 °F | Fog. | No wind | ↑ | 100% | 29.90 "Hg | 4 mi |
| 11:00 pm | | 36 °F | Fog. | 5 mph | ↑ | 100% | 29.89 "Hg | 5 mi |
| 10:36 pm | | 36 °F | Fog. | 5 mph | ↑ | 100% | 29.89 "Hg | 4 mi |
| 10:00 pm | | 36 °F | Fog. | 5 mph | ↑ | 100% | 29.88 "Hg | 5 mi |
| 9:00 pm | | 36 °F | Fog. | 6 mph | ↑ | 100% | 29.86 "Hg | 5 mi |
| 8:00 pm | | 36 °F | Fog. | 3 mph | ↑ | 100% | 29.81 "Hg | 5 mi |
| 7:00 pm |  | 36 °F | Fog. | 6 mph | ↑ | 100% | 29.79 "Hg | 5 mi |
| 6:00 pm | | 36 °F | Fog. | 7 mph | ↑ | 100% | 29.77 "Hg | 5 mi |
| 5:00 pm | | 37 °F | Fog. | 7 mph | ↑ | 93% | 29.74 "Hg | 5 mi |
| 4:00 pm | | 37 °F | Fog. | 8 mph | ↑ | 93% | 29.72 "Hg | 5 mi |
| 3:00 pm | | 37 °F | Fog. | 8 mph | ↑ | 93% | 29.72 "Hg | 4 mi |
| 2:00 pm | | 36 °F | Fog. | 9 mph | ↑ | 100% | 29.72 "Hg | 3 mi |
| Weather by CustomWeather, © 2026 | ||||||||