• Tonight

    May 21

    Lo 13°

    Periods of rain and a t-storm

    Dust & Dander Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
  • Wed

    May 22

    24°Lo 17°

    Warmer with a bit of rain

    Very High indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Thu

    May 23

    22°Lo 8°

    Periods of rain

    Very High indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Fri

    May 24

    15°Lo 6°

    Showers, mainly early; cooler

    Extreme indoor dust & dander levels
    • Precip
      60%
    • Wind
      Speed
      19 k/h
    • Cloud
      Cover
      73%
    more
  • Sat

    May 25

    16°Lo 6°

    Partly sunny with a shower

    Extreme indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      11 k/h
    • Cloud
      Cover
      41%
    more
Next Previous
Hi 19° RealFeel® 19° Precipitation 60%

Day

N

E

S

W

  • NE 21 km/h
  • Gusts: 45 km/h

Not as warm; brief showers this morning, then showers and thunderstorms late this afternoon

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 1 mm
  • Rain: 1 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 13° RealFeel® 11° Precipitation 77%

Night

N

E

S

W

  • ENE 10 km/h
  • Gusts: 37 km/h

Periods of rain and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 31%
  • Precipitation: 6 mm
  • Rain: 6 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 19° 20° 31° (1977) 29°
Low 13° (1957) 18°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:18 AM with 15:07 of sunlight, then sets at 8:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:26 PM with 11:02 of moolight, then sets at 3:28 AM

Top Story

Montreal Weather Report

Severe Thunderstorm Threat Continues Wednesday

May 21, 2013; 3:42 PM ET

Potential for strong thunderstorms again Wednesday. more >