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Sarnia, Ontario

46°F
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Sarnia

Ontario

46°
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Sarnia, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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3 AM

47°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindNNW 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity85%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling14700 ft

4 AM

47°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindN 6 mph

Air QualityExcellent

Wind Gusts7 mph

Humidity87%

Indoor Humidity41% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling14700 ft

5 AM

47°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindNNE 7 mph

Air QualityExcellent

Wind Gusts7 mph

Humidity85%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling14700 ft

6 AM

47°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindNNE 8 mph

Air QualityExcellent

Wind Gusts8 mph

Humidity83%

Indoor Humidity38% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling12100 ft

7 AM

46°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 10%
Chevron down
Cloudy

RealFeel Shade™42°

WindNNE 8 mph

Air QualityExcellent

Max UV Index0.3 (Low)

Wind Gusts9 mph

Humidity80%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling9600 ft

8 AM

46°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 52%
Chevron down
Showers

RealFeel Shade™38°

WindN 9 mph

Air QualityExcellent

Max UV Index0.5 (Low)

Wind Gusts10 mph

Humidity79%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Rain0.02 in

Visibility6 mi

Cloud Ceiling4000 ft

9 AM

45°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 48%
Chevron down
Cloudy

RealFeel Shade™39°

WindNNE 10 mph

Air QualityExcellent

Max UV Index0.9 (Low)

Wind Gusts12 mph

Humidity81%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling5500 ft

10 AM

44°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 44%
Chevron down
Cloudy

RealFeel Shade™35°

WindNNE 12 mph

Air QualityExcellent

Max UV Index1.3 (Low)

Wind Gusts14 mph

Humidity84%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling4000 ft

11 AM

42°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 43%
Chevron down
Cloudy

RealFeel Shade™33°

WindNNE 13 mph

Air QualityExcellent

Max UV Index1.7 (Low)

Wind Gusts14 mph

Humidity87%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling2400 ft

12 PM

42°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

RealFeel Shade™32°

WindNNE 14 mph

Air QualityExcellent

Max UV Index2.2 (Low)

Wind Gusts15 mph

Humidity87%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling2300 ft

1 PM

42°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 51%
Chevron down
Showers

RealFeel Shade™28°

WindN 14 mph

Air QualityExcellent

Max UV Index2.2 (Low)

Wind Gusts16 mph

Humidity84%

Indoor Humidity32% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Rain0.02 in

Visibility6 mi

Cloud Ceiling2100 ft

2 PM

42°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™31°

WindN 15 mph

Air QualityExcellent

Max UV Index2.2 (Low)

Wind Gusts16 mph

Humidity82%

Indoor Humidity32% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling2000 ft

3 PM

42°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 56%
Chevron down
Showers

RealFeel Shade™30°

WindN 15 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts16 mph

Humidity80%

Indoor Humidity31% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover89%

Rain0.02 in

Visibility6 mi

Cloud Ceiling2900 ft

4 PM

43°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 52%
Chevron down
Showers

RealFeel Shade™31°

WindN 14 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts16 mph

Humidity78%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover89%

Rain0.01 in

Visibility10 mi

Cloud Ceiling3700 ft

5 PM

43°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

RealFeel Shade™34°

WindN 14 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts15 mph

Humidity77%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling4600 ft

6 PM

42°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™33°

WindN 14 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts15 mph

Humidity77%

Indoor Humidity30% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling5400 ft

7 PM

42°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 22%
Chevron down
Cloudy

RealFeel Shade™33°

WindN 13 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts14 mph

Humidity77%

Indoor Humidity29% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling6200 ft

8 PM

41°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™33°

WindN 12 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts13 mph

Humidity78%

Indoor Humidity43% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

40°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindN 10 mph

Air QualityFair

Wind Gusts10 mph

Humidity80%

Indoor Humidity43% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

40°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindN 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity81%

Indoor Humidity43% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

40°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindN 8 mph

Air QualityExcellent

Wind Gusts9 mph

Humidity82%

Indoor Humidity43% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Sarnia

AccuWeather's hourly forecast for Sarnia provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 47° with a RealFeel® of 46°, cloudy with a 7% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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