• Tonight

    Sep 4

    Lo 20°

    A thunderstorm in spots early

    Skiing Weather
    • Rain
      2 mm
    • Precip
      50%
    • Hours of Precip
      1
  • Sat

    Sep 5

    29°Lo 20°

    A stray afternoon t-storm

    Poor for skiing
    • Rain
      2 mm
    • Precip
      41%
    • Hours of Precip
      1.5
    more
  • Sun

    Sep 6

    30°Lo 21°

    Mostly sunny, warm and humid

    Poor for skiing
    • Rain
      0 mm
    • Precip
      9%
    • Hours of Precip
      0
    more
  • Mon

    Sep 7

    30°Lo 20°

    Partly sunny, warm and humid

    Poor for skiing
    • Rain
      0 mm
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Tue

    Sep 8

    28°Lo 20°

    A thunderstorm in spots

    Poor for skiing
    • Rain
      4 mm
    • Precip
      40%
    • Hours of Precip
      1.5
    more
Next Previous
Hi 29° RealFeel® 31° Precipitation 50%

Day

N

E

S

W

  • SE 15 km/h
  • Gusts: 28 km/h

Rather cloudy, very warm and humid; a shower in spots late this afternoon

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 1 mm
  • Rain: 1 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 20° RealFeel® 19° Precipitation 40%

Night

N

E

S

W

  • SE 7 km/h
  • Gusts: 13 km/h

A shower or thunderstorm in spots this evening; otherwise, partly cloudy, warm and humid

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 1 mm
  • Rain: 1 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 29° 23° N/A 29°
Low 20° 12° N/A 17°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:57 AM with 13:02 of sunlight, then sets at 7:59 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:14 PM with -8:-27 of moolight, then sets at 1:47 PM

Sarnia Weather Report

Ignacio May Unleash Stormy Conditions in Alaska, British Columbia

September 4, 2015; 5:14 PM ET

Steering winds could take Ignacio, as a remnant storm, into the southeastern arm of Alaska or British Columbia during the middle days of next week. more >