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    • Tonight

      Sep 27

      10° Lo
      Considerable cloudiness
      • Hair Frizz
      • Weather
      • Wind Gust: 39 k/h
      • Precip: 35%
      • Hours of Precip: 0
      More
    • Wed

      Sep 28

      19° /15°
      Rather cloudy with showers
      • Advisory
      • for hair frizz
      • Wind Gust: 39 k/h
      • Precip: 71%
      • Hours of Precip: 4.5
      More
    • Thu

      Sep 29

      18° /14°C
      Mostly cloudy, showers around
      • Watch
      • for hair frizz
      • Wind Gust: 48 k/h
      • Precip: 63%
      • Hours of Precip: 10
    • Fri

      Sep 30

      18° /15°
      Breezy with periods of rain
      • Advisory
      • for hair frizz
      • Wind Gust: 59 k/h
      • Precip: 72%
      • Hours of Precip: 6.5
      More
    • Sat

      Oct 1

      20° /12°
      Cloudy with a few showers
      • Advisory
      • for hair frizz
      • Wind Gust: 15 k/h
      • Precip: 65%
      • Hours of Precip: 4
      More

    Day

    18°Hi RealFeel® 15° Precipitation 63%
    Mostly cloudy and breezy with a couple of showers
    • ENE 28 km/h
    • Gusts: 48 km/h
    • Max UV Index: 1 (Low)
    • Thunderstorms: 20%
    • Precipitation: 3 mm
    • Rain: 3 mm
    • Snow: 0 CM
    • Ice: 0 mm
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Night

    14°Lo RealFeel® 10° Precipitation 70%
    Periods of rain
    • ENE 18 km/h
    • Gusts: 33 km/h
    • Max UV Index: N/A
    • Thunderstorms: 24%
    • Precipitation: 13 mm
    • Rain: 13 mm
    • Snow: 0 CM
    • Ice: 0 mm
    • Hours of Precipitation: 8 hrs
    • Hours of Rain: 8 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 18° 19° 28° (1986) 22°
    Low 14° 10° -1° (1951) 15°

    Sunrise/Sunset

    • Sunrise: 7:25 AM
    • Sunset: 7:13 PM
    • Duration: 11:48 hr

    Moonrise/Moonset

    • Moonrise: 5:57 AM
    • Moonset: 6:48 PM
    • Duration: 12:51 hr
    Astronomy

    Sarnia Weather Report

    October to start mild in the East

    September 27, 2016; 12:08 PM ET

    Some needed rainfall for southern Ontario this week. More >