• Early AM

    Jul 28

    Lo 20°

    Partly to mostly cloudy

    Dust & Dander Weather
    • Precip
      25%
    • Wind
      Speed
      9 k/h
    • Cloud
      Cover
      35%
    more
  • Today

    Jul 28

    27°Lo 20°

    A thunderstorm in spots

    Very High indoor dust & dander levels
    • Precip
      41%
    • Wind
      Speed
      11 k/h
    • Cloud
      Cover
      79%
  • Fri

    Jul 29

    25°Lo 16°

    Clouds and sun with a t-storm

    Moderate indoor dust & dander levels
    • Precip
      56%
    • Wind
      Speed
      9 k/h
    • Cloud
      Cover
      47%
    more
  • Sat

    Jul 30

    26°Lo 17°

    Mostly cloudy

    Low indoor dust & dander levels
    • Precip
      17%
    • Wind
      Speed
      7 k/h
    • Cloud
      Cover
      44%
    more
  • Sun

    Jul 31

    26°Lo 16°

    Partly sunny and pleasant

    Low indoor dust & dander levels
    • Precip
      1%
    • Wind
      Speed
      6 k/h
    • Cloud
      Cover
      10%
    more
Next Previous
Hi 27° RealFeel® 32° Precipitation 40%

Day

N

E

S

W

  • N 13 km/h
  • Gusts: 20 km/h

Periods of clouds and sun with a shower or thunderstorm in the area

  • Max UV Index: 6 (High)
  • Thunderstorms: 40%
  • Precipitation: 2 mm
  • Rain: 2 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 20° RealFeel® 20° Precipitation 41%

Night

N

E

S

W

  • NNE 11 km/h
  • Gusts: 20 km/h

Mostly cloudy with a shower or thunderstorm in the area

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 3 mm
  • Rain: 3 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Jul 28

more Historical Weather Data >
  Today Normal Record 7/28/2015
High 27° 26° N/A 31°
Low 20° 15° N/A 16°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 14:37 of sunlight, then sets at 8:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:38 AM with 14:22 of moolight, then sets at 4:00 PM

Sarnia Weather Report

Another dry spell for parts of Ontario and Quebec into next week

July 27, 2016; 3:57 PM ET

Another stretch of dry weather for parts of eastern Canada into next week. more >