• Today

    May 23

    17°Lo 9°

    Warmer with plenty of sun

    Beneficial weather for arthritis pain
    • Rain
      0 mm
    • Hours of Precip
      0
    • UV
      8 - Very High
    more
  • Sun

    May 24

    24°Lo 14°

    Partly sunny and warmer

    Beneficial weather for arthritis pain
    • Rain
      1 mm
    • Hours of Precip
      1
    • UV
      7 - High
    more
  • Mon

    May 25

    24°Lo 16°

    A p.m. shower in places

    Neutral weather for arthritis pain
    • Rain
      3 mm
    • Hours of Precip
      2
    • UV
      6 - High
  • Tue

    May 26

    24°Lo 16°

    Rain and drizzle in the p.m.

    Beneficial weather for arthritis pain
    • Rain
      3 mm
    • Hours of Precip
      3
    • UV
      3 - Moderate
    more
  • Wed

    May 27

    24°Lo 14°

    Couple of thunderstorms

    Neutral weather for arthritis pain
    • Rain
      8 mm
    • Hours of Precip
      4
    • UV
      6 - High
    more
Next Previous
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  Mon
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Showers
Temp (°C) 18° 20° 24° 22° 22° 22° 21° 20°
RealFeel® 20° 21° 25° 24° 24° 24° 23° 20°
Humidity 68% 58% 48% 49% 53% 58% 63% 67%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
5%
 
4%
 
4%
 
4%
 
7%
 
34%
 
37%
 
40%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (km/h) 9 SSE 13 SSE 15 SSE 15 SSE 17 SSE 15 S 18 S 18 SSW
UV Index 2 3 4 5 6 6 5 4
Cloud Cover 88% 86% 84% 77% 70% 63% 59% 70%
Dew Point 12° 12° 12° 11° 12° 13° 14° 14°
Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C

Temperature History - May 25

more Historical Weather Data >
  Today Normal Record 5/25/2014
High 24° N/A N/A 28°
Low 16° N/A N/A 11°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:42 AM with 15:04 of sunlight, then sets at 8:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:57 PM with 13:10 of moolight, then sets at 2:07 AM

Markham Weather Report

Canada Summer Forecast: Active Wildfire Season in Store for West; Tropical Threat Low for Maritimes

May 23, 2015; 5:34 AM ET

The upcoming summer will be very warm across much of western and central Canada as the cool weather will be mostly confined to Atlantic Canada. more >