• Today

    May 22

    25°Lo 18°

    A couple of thunderstorms

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low

  • Thu

    May 23

    20°Lo 5°

    Some rain and a thunderstorm

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

  • Fri

    May 24

    14°Lo 5°

    Cooler; a morning shower

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

  • Sat

    May 25

    17°Lo 4°

    Cool with partial sunshine

    Extreme indoor dust & dander levels
    • Precip
      3%
    • Wind
      Speed
      16 k/h
    • Cloud
      Cover
      45%
    more

  • Sun

    May 26

    18°Lo 4°

    Mostly sunny

    Extreme indoor dust & dander levels
    • Precip
      0%
    • Wind
      Speed
      19 k/h
    • Cloud
      Cover
      18%
    more
Next Previous
Hi 25° RealFeel® 25° Precipitation 60%

Day

N

E

S

W

  • SE 6 km/h
  • Gusts: 14 km/h

Mostly cloudy with a couple of showers and a thunderstorm

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 6 mm
  • Rain: 6 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs
Lo 18° RealFeel® 16° Precipitation 65%

Night

N

E

S

W

  • N 10 km/h
  • Gusts: 19 km/h

Warm with periods of rain

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 6 mm
  • Rain: 6 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs

Temperature History - May 22

more Historical Weather Data >
  Today Normal Record 5/22/2012
High 25° 20° 31° (1977) 22°
Low 18° 9° 2° (1967) 16°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:26 AM with 15:08 of sunlight, then sets at 8:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:47 PM with 10:26 of moolight, then sets at 4:13 AM

Top Story

Nepean Weather Report

Severe Thunderstorm Threat Continues Wednesday

May 21, 2013; 3:42 PM ET

Potential for strong thunderstorms again Wednesday. more >