• Today

    Apr 21

    10°Lo 0°

    Cooler with a shower or two

    At High Risk weather for arthritis pain
    • Rain
      3 mm
    • Hours of Precip
      3
    • UV
      3 - Moderate
  • Wed

    Apr 22

    6°Lo -2°

    Cloudy, a shower; chilly

    At Risk weather for arthritis pain
    • Rain
      1 mm
    • Hours of Precip
      1
    • UV
      3 - Moderate
    more
  • Thu

    Apr 23

    6°Lo -4°

    A p.m. shower in places

    Neutral weather for arthritis pain
    • Rain
      0 mm
    • Hours of Precip
      0.5
    • UV
      5 - Moderate
    more
  • Fri

    Apr 24

    7°Lo -3°

    Mostly sunny and chilly

    Beneficial weather for arthritis pain
    • Rain
      0 mm
    • Hours of Precip
      0
    • UV
      6 - High
    more
  • Sat

    Apr 25

    7°Lo -2°

    Chilly with clouds and sun

    Neutral weather for arthritis pain
    • Rain
      0 mm
    • Hours of Precip
      0
    • UV
      5 - Moderate
    more
Next Previous
Hi 10° RealFeel® 6° Precipitation 75%

Day

N

E

S

W

  • SW 30 km/h
  • Gusts: 63 km/h

Mostly cloudy, breezy and cooler with a brief shower or two

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 3 mm
  • Rain: 3 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs
Lo 0° RealFeel® -7° Precipitation 25%

Night

N

E

S

W

  • WSW 24 km/h
  • Gusts: 46 km/h

Cloudy, breezy and colder

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

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 10° 13° N/A 25°
Low N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 13:41 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:53 AM with 14:49 of moolight, then sets at 11:42 PM

Sarnia Weather Report

Update on Long Range

April 21, 2015; 12:03 PM ET

An update on the long range and a look at the overall pattern the rest of this week in Canada. more >