Current weather
11:00 AM58°F
Cloudy
High 55° · Low 45° · 40%
- Wind
- SW 14 mph
- Wind gusts
- 29 mph
- Humidity
- 68%
- Air quality (AQHI)
- 1.4 · Low risk
- UV index
- 0 · Low
More details
- Dew point
- 47°F
- Pressure
- 29.74 inHg
- Visibility
- 6 mi
- Sunrise
- 7:09 AM
- Sunset
- 5:17 PM
- Daylight
- 10 h 8 min
Observed at Sarnia Chris Hadfield Airport, 11:00 AM EST · Environment and Climate Change Canada
Hourly forecast
Hourly →- Now56°19%
- 12 PM55°10%
- 1 PM55°10%
- 2 PM55°10%
- 3 PM55°40%
- 4 PM55°40%
- 5 PM54°40%
- 6 PM54°40%
- 7 PM52°40%
- 8 PM52°40%
- 9 PM52°40%
- 10 PM52°40%
- 11 PM50°40%
- Fri
- 12 AM50°40%
- 1 AM48°80%
- 2 AM48°80%
- 3 AM46°80%
- 4 AM46°80%
- 5 AM46°80%
- 6 AM45°80%
- 7 AM45°80%
- 8 AM45°80%
- 9 AM45°80%
- 10 AM45°80%
14-day forecast
Full 14-day →TodayNov 555°45°Chance of showersChance of showers40%
Day
Mainly cloudy. 40 percent chance of showers late this afternoon. Wind southwest 30 km/h. High 13. UV index 2 or low.
- Wind
- SW 19 mph
- Precipitation
- 40% · 0.04 in
- UV index (max)
- 2 Low
- Air quality (AQHI)
- 2 · Low risk
Night
Cloudy with 40 percent chance of showers this evening and after midnight. Periods of rain beginning after midnight. Wind southwest 30 km/h becoming light early this evening. Low 7.
- Low
- 45°
- Wind
- SW 19 mph
- Precipitation
- 40%
Sunrise7:09 AM
Sunset5:17 PM
Daylight10 h 8 min
Normal50° / 36°
FriNov 648°39°Periods of rainChance of showers60%
Day
Periods of rain. High 9. UV index 1 or low.
- Wind
- W 9 mph
- Precipitation
- 60% · 0.12 in
- UV index (max)
- 1 Low
- Air quality (AQHI)
- 2 · Low risk
Night
Cloudy with 60 percent chance of showers. Low plus 4.
- Low
- 39°
- Precipitation
- 60%
Sunrise7:09 AM
Sunset5:17 PM
Daylight10 h 8 min
SatNov 746°39°Chance of showersCloudy periods40%
Day
Cloudy with 40 percent chance of showers. High 8.
- Precipitation
- 40% · 0.06 in
- UV index (max)
- 1 Low
Night
Cloudy periods. Low plus 4.
- Low
- 39°
Sunrise7:10 AM
Sunset5:16 PM
Daylight10 h 5 min
SunNov 850°41°A mix of sun and cloudCloudy periods9%
Day
A mix of sun and cloud. Windy. High 10.
- Wind
- W 19 mph
- Wind gusts
- 31 mph
- Precipitation
- 9% · 0 in
- UV index (max)
- 2 Low
Night
Cloudy periods. Low plus 5.
- Low
- 41°
Sunrise7:11 AM
Sunset5:15 PM
Daylight10 h 3 min
MonNov 952°45°A mix of sun and cloudCloudy periods9%
Day
A mix of sun and cloud. High 11.
- Precipitation
- 9% · 0 in
- UV index (max)
- 4 Moderate
Night
Cloudy periods. Low 7.
- Low
- 45°
Sunrise7:13 AM
Sunset5:14 PM
Daylight10 h 1 min
TueNov 1052°39°A mix of sun and cloudCloudy periods10%
Day
A mix of sun and cloud. High 11.
- Precipitation
- 10% · 0 in
- UV index (max)
- 4 Moderate
Night
Cloudy periods. Low plus 4.
- Low
- 39°
Sunrise7:14 AM
Sunset5:13 PM
Daylight9 h 58 min
WedNov 1146°40°A mix of sun and cloud19%
Day
A mix of sun and cloud. High 8.
- Precipitation
- 19% · 0 in
- UV index (max)
- 3 Moderate
Night
Low 40.
- Low
- 40°
Sunrise7:15 AM
Sunset5:11 PM
Daylight9 h 56 min
Days 8–14 · trend, lower confidence
ThuNov 1244°36°ShowersNight low 36°70%
Day
Showers. High 44.
- Wind
- NW 14 mph
- Wind gusts
- 27 mph
- Precipitation
- 70% · 0.06 in
- UV index (max)
- 2 Low
Night
Low 36.
- Low
- 36°
Sunrise7:16 AM
Sunset5:10 PM
Daylight9 h 54 min
SourceExtended outlook
FriNov 1344°37°Mostly cloudyNight low 37°19%
Day
Mostly cloudy. High 44.
- Wind
- NW 13 mph
- Wind gusts
- 28 mph
- Precipitation
- 19% · 0 in
- UV index (max)
- 2 Low
Night
Low 37.
- Low
- 37°
Sunrise7:18 AM
Sunset5:09 PM
Daylight9 h 51 min
SourceExtended outlook
SatNov 1449°34°Partly cloudyNight low 34°11%
Day
Partly cloudy. High 49.
- Wind
- SW 10 mph
- Wind gusts
- 23 mph
- Precipitation
- 11% · 0 in
- UV index (max)
- 3 Moderate
Night
Low 34.
- Low
- 34°
Sunrise7:19 AM
Sunset5:09 PM
Daylight9 h 49 min
SourceExtended outlook
SunNov 1552°41°SunnyNight low 41°13%
Day
Sunny. High 52.
- Wind
- SW 9 mph
- Wind gusts
- 22 mph
- Precipitation
- 13% · 0 in
- UV index (max)
- 4 Moderate
Night
Low 41.
- Low
- 41°
Sunrise7:20 AM
Sunset5:08 PM
Daylight9 h 47 min
SourceExtended outlook
MonNov 1653°41°Mostly cloudyNight low 41°68%
Day
Mostly cloudy. High 53.
- Wind
- SE 6 mph
- Wind gusts
- 18 mph
- Precipitation
- 68% · 0.07 in
- UV index (max)
- 3 Moderate
Night
Low 41.
- Low
- 41°
Sunrise7:21 AM
Sunset5:07 PM
Daylight9 h 45 min
SourceExtended outlook
TueNov 1755°43°ShowersNight low 43°49%
Day
Showers. High 55.
- Wind
- S 7 mph
- Wind gusts
- 22 mph
- Precipitation
- 49% · 0.02 in
- UV index (max)
- 4 Moderate
Night
Low 43.
- Low
- 43°
Sunrise7:23 AM
Sunset5:06 PM
Daylight9 h 43 min
SourceExtended outlook
WedNov 1860°49°Mostly cloudyNight low 49°17%
Day
Mostly cloudy. High 60.
- Wind
- SW 10 mph
- Wind gusts
- 25 mph
- Precipitation
- 17% · 0 in
- UV index (max)
- 4 Moderate
Night
Low 49.
- Low
- 49°
Sunrise7:24 AM
Sunset5:05 PM
Daylight9 h 41 min
SourceExtended outlook
Sun & Moon
Moon calendar →Sunrise7:09 AM
Sunset5:17 PM
Daylight10 h 8 min
MoonWaning Crescent13% lit · rise 3:18 AM · set 3:20 PM
Pollen today · Corunna
TreesNonenone in the air
GrassNonenone in the air
WeedsLow2 grains/m³ · Ragweed
Fri: weeds low · Sat: weeds low · Sun: 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 | 30° | 32° | 41° | 54° | 65° | 75° | 80° | 77° | 71° | 58° | 46° | 35° |
| Low | 17° | 19° | 26° | 35° | 45° | 55° | 60° | 59° | 52° | 42° | 33° | 23° |
| Precip | 2.05 in | 2.01 in | 2.24 in | 2.83 in | 3.15 in | 3.27 in | 3.07 in | 3.11 in | 4.13 in | 2.99 in | 3.23 in | 2.52 in |
ECCC
Activities today
Derived from the forecastLaundry dayPoorLine-drying weather
GrillingPoorFire 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 · 42.8834°N, 82.4331°W · Elevation 630 ft · Population 5,686 · Time zone America/Toronto