Current weather
2:00 PM19°C
Mostly Cloudy
High 19° · Low 13° · 40%
- Wind
- S 24 km/h
- Wind gusts
- 39 km/h
- Humidity
- 50%
- Air quality (AQHI)
- 2.5 · Low risk
- UV index
- 2 · Low
More details
- Dew point
- 9°C
- Pressure
- 102.2 kPa
- Visibility
- 10 km
- Sunrise
- 7:05 AM
- Sunset
- 5:20 PM
- Daylight
- 10 h 15 min
Observed at Sarnia Chris Hadfield Airport, 2:00 PM EST · Environment and Climate Change Canada
Hourly forecast
Hourly →- Now17°17%
- 3 PM19°10%
- 4 PM19°10%
- 5 PM18°10%
- 6 PM16°40%
- 7 PM15°40%
- 8 PM15°40%
- 9 PM15°40%
- 10 PM15°40%
- 11 PM15°40%
- Tue
- 12 AM14°40%
- 1 AM14°40%
- 2 AM14°40%
- 3 AM14°40%
- 4 AM14°40%
- 5 AM14°40%
- 6 AM13°20%
- 7 AM13°20%
- 8 AM15°20%
- 9 AM17°20%
- 10 AM19°20%
- 11 AM20°20%
- 12 PM20°20%
- 1 PM21°20%
14-day forecast
Full 14-day →TodayNov 219°13°CloudyChance of showers40%
Day
Cloudy. Wind south 30 km/h gusting to 50. High 19. UV index 3 or moderate.
- Wind
- S 30 km/h
- Wind gusts
- 50 km/h
- Precipitation
- 40% · 0 mm
- UV index (max)
- 3 Moderate
- Air quality (AQHI)
- 3 · Low risk
Night
Cloudy with 40 percent chance of showers. Wind south 20 km/h gusting to 40. Low 13.
- Low
- 13°
- Wind
- S 20 km/h
- Precipitation
- 40%
Sunrise7:05 AM
Sunset5:20 PM
Daylight10 h 15 min
Normal10° / 2°
TueNov 322°15°A mix of sun and cloudCloudy periods21%
Day
Cloudy. Becoming a mix of sun and cloud late in the morning. Wind south 30 km/h gusting to 50. High 22. Humidex 25. UV index 3 or moderate.
- Humidex
- 25
- Wind
- S 30 km/h
- Wind gusts
- 50 km/h
- Precipitation
- 21% · 0.1 mm
- UV index (max)
- 3 Moderate
- Air quality (AQHI)
- 3 · Low risk
Night
Cloudy periods. Low 15.
- Low
- 15°
Sunrise7:05 AM
Sunset5:20 PM
Daylight10 h 15 min
WedNov 421°10°Chance of showersChance of showers60%
Day
Cloudy with 40 percent chance of showers. High 21.
- Precipitation
- 40% · 5 mm
- UV index (max)
- 2 Low
Night
Cloudy with 60 percent chance of showers. Low 10.
- Low
- 10°
- Precipitation
- 60%
Sunrise7:06 AM
Sunset5:19 PM
Daylight10 h 12 min
ThuNov 517°9°Chance of showersCloudy periods40%
Day
A mix of sun and cloud with 40 percent chance of showers. High 17.
- Precipitation
- 40% · 4 mm
- UV index (max)
- 2 Low
Night
Increasing cloudiness. Low 9.
- Low
- 9°
Sunrise7:08 AM
Sunset5:18 PM
Daylight10 h 10 min
FriNov 615°6°Chance of showersChance of showers40%
Day
Cloudy with 40 percent chance of showers. High 15.
- Precipitation
- 40% · 8 mm
- UV index (max)
- 3 Moderate
Night
Cloudy with 40 percent chance of showers. Low 6.
- Low
- 6°
- Precipitation
- 40%
Sunrise7:09 AM
Sunset5:17 PM
Daylight10 h 7 min
SatNov 78°4°Chance of showersChance of showers40%
Day
Cloudy with 40 percent chance of showers. High 8.
- Precipitation
- 40% · 0.7 mm
- UV index (max)
- 2 Low
Night
Cloudy periods with 30 percent chance of showers. Low plus 4.
- Low
- 4°
- Precipitation
- 30%
Sunrise7:10 AM
Sunset5:16 PM
Daylight10 h 5 min
SunNov 89°2°Chance of showers40%
Day
A mix of sun and cloud with 40 percent chance of showers. High 9.
- Precipitation
- 40% · 1.0 mm
- UV index (max)
- 2 Low
Night
Low 2.
- Low
- 2°
Sunrise7:11 AM
Sunset5:14 PM
Daylight10 h 3 min
Days 8–14 · trend, lower confidence
MonNov 99°6°ShowersNight low 6°46%
Day
Showers. High 9.
- Wind
- NW 18 km/h
- Wind gusts
- 33 km/h
- Precipitation
- 46% · 0.7 mm
- UV index (max)
- 3 Moderate
Night
Low 6.
- Low
- 6°
Sunrise7:13 AM
Sunset5:13 PM
Daylight10 h 0 min
SourceExtended outlook
TueNov 1011°4°Partly cloudyNight low 4°10%
Day
Partly cloudy. High 11.
- Wind
- W 27 km/h
- Wind gusts
- 51 km/h
- Precipitation
- 10% · 0 mm
- UV index (max)
- 4 Moderate
Night
Low 4.
- Low
- 4°
Sunrise7:14 AM
Sunset5:12 PM
Daylight9 h 58 min
SourceExtended outlook
WedNov 119°4°Partly cloudyNight low 4°43%
Day
Partly cloudy. High 9.
- Wind
- NW 23 km/h
- Wind gusts
- 40 km/h
- Precipitation
- 43% · 0.9 mm
- UV index (max)
- 3 Moderate
Night
Low 4.
- Low
- 4°
Sunrise7:15 AM
Sunset5:11 PM
Daylight9 h 55 min
SourceExtended outlook
ThuNov 1210°3°SunnyNight low 3°25%
Day
Sunny. High 10.
- Wind
- SW 8 km/h
- Wind gusts
- 30 km/h
- Precipitation
- 25% · 0.2 mm
- UV index (max)
- 3 Moderate
Night
Low 3.
- Low
- 3°
Sunrise7:16 AM
Sunset5:10 PM
Daylight9 h 53 min
SourceExtended outlook
FriNov 1311°5°Partly cloudyNight low 5°15%
Day
Partly cloudy. High 11.
- Wind
- W 12 km/h
- Wind gusts
- 27 km/h
- Precipitation
- 15% · 0 mm
- UV index (max)
- 4 Moderate
Night
Low 5.
- Low
- 5°
Sunrise7:18 AM
Sunset5:09 PM
Daylight9 h 51 min
SourceExtended outlook
SatNov 1413°5°SunnyNight low 5°8%
Day
Sunny. High 13.
- Wind
- S 12 km/h
- Wind gusts
- 21 km/h
- Precipitation
- 8% · 0 mm
- UV index (max)
- 4 Moderate
Night
Low 5.
- Low
- 5°
Sunrise7:19 AM
Sunset5:08 PM
Daylight9 h 49 min
SourceExtended outlook
SunNov 1513°5°Partly cloudyNight low 5°15%
Day
Partly cloudy. High 13.
- Wind
- E 14 km/h
- Wind gusts
- 28 km/h
- Precipitation
- 15% · 0 mm
- UV index (max)
- 4 Moderate
Night
Low 5.
- Low
- 5°
Sunrise7:20 AM
Sunset5:07 PM
Daylight9 h 47 min
SourceExtended outlook
Sun & Moon
Moon calendar →Sunrise7:05 AM
Sunset5:20 PM
Daylight10 h 15 min
MoonLast Quarter40% lit · set 2:15 PM
Pollen today · Sarnia
TreesNonenone in the air
GrassNonenone in the air
WeedsLow3 grains/m³ · Ragweed
Tue: weeds low · Wed: weeds low · Thu: weeds low
Model estimate from WeatherAPI.com — pollen grains per m³ of air; levels on the National Allergy Bureau scale.
Model estimate from WeatherAPI.com — pollen grains per m³ of air; levels on the National Allergy Bureau scale.
Climate · monthly normals
Full climate →| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High | -1° | 0° | 5° | 12° | 18° | 24° | 26° | 25° | 22° | 15° | 8° | 2° |
| Low | -8° | -8° | -4° | 2° | 7° | 13° | 16° | 15° | 11° | 5° | 1° | -5° |
| Precip | 52 mm | 51 mm | 57 mm | 72 mm | 80 mm | 83 mm | 78 mm | 79 mm | 105 mm | 76 mm | 82 mm | 64 mm |
ECCC
Activities today
Derived from the forecastLaundry dayFairLine-drying weather
GrillingFairFire up the grill
RunningFairLace up outside
PatioPoorDinner outdoors
Forecast: Environment and Climate Change Canada (Sarnia - Petrolia - Western Lambton County), issued 11:00 AM · Days 8–14: WeatherAPI.com · weather.gc.ca · 42.9787°N, 82.4041°W · Elevation 185 m · Population 72,125 · Time zone America/Toronto