• Today

    Sep 5

    29°Lo 20°

    A stray afternoon t-storm

    At Risk weather for asthma
    • Hi
      RealFeel
      34°
    • UV
      5 - High
    • Air Qual.
      Good
  • Sun

    Sep 6

    30°Lo 21°

    Mostly sunny, warm and humid

    Neutral weather for asthma
    • Hi
      RealFeel
      39°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Mon

    Sep 7

    30°Lo 21°

    Warm and humid with some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      32°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Tue

    Sep 8

    28°Lo 20°

    A shower and t-storm around

    At Risk weather for asthma
    • Hi
      RealFeel
      30°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Wed

    Sep 9

    24°Lo 13°

    A shower and t-storm around

    Beneficial weather for asthma
    • Hi
      RealFeel
      24°
    • UV
      2 - Low
    • Air Qual.
      Good
    more
Next Previous
Hi 29° RealFeel® 34° Precipitation 41%

Day

N

E

S

W

  • SSW 9 km/h
  • Gusts: 17 km/h

Partly sunny, very warm and humid; widely separated thunderstorms this afternoon

  • Max UV Index: 6 (High)
  • Thunderstorms: 60%
  • Precipitation: 1 mm
  • Rain: 1 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 20° RealFeel® 21° Precipitation 40%

Night

N

E

S

W

  • S 7 km/h
  • Gusts: 9 km/h

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

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • 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 5

more Historical Weather Data >
  Today Normal Record 9/5/2014
High 29° 23° N/A 32°
Low 20° 12° N/A 19°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:58 AM with 13:00 of sunlight, then sets at 7:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:02 AM with 14:45 of moolight, then sets at 2:47 PM

Sarnia Weather Report

Ignacio May Unleash Stormy Conditions in Alaska, British Columbia

September 5, 2015; 6:53 AM ET

Steering winds could take Ignacio, currently a post-tropical cyclone, into the southeastern arm of Alaska or British Columbia during the middle days of next week. more >