 |
 Current Sarnia Weather Conditions |
Updated January 18th at 7:00 am |
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| Overcast |
| Temperature: | -10°C |
Dew Point: | -15°C |
| Barometer: | 101.6 kPa |
Wind: | N 34 Km/h |
| Humidity: | 64.1% |
Visibility: | 0 Km |
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| Sarnia Weather Forecast Summary |
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Today
Jan 18th
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Monday
Jan 19th
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Tuesday
Jan 20th
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Wednesday
Jan 21st
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Thursday
Jan 22nd
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 |
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Cloudy |
Cloudy |
Cloudy |
Mix of rain and snow |
Cloudy |
-7°C
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-7°C
-14°C |
-11°C
-14°C |
0°C
-11°C |
-8°C
-15°C |
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| Sarnia Detailed Weather Forecast |
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| Sunday, January 18th, 2026 |
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Morning |
Temperature: -10°C |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: -8°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: -8°C |
| Cloudy with a chance of flurries. Windy at times. |
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| Monday, January 19th, 2026 |
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Overnight |
Temperature: -7°C |
| Cloudy with a chance of flurries. Windy at times. |
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Morning |
Temperature: -7°C |
| Cloudy with a chance of flurries. Wind 30 to 50 km/h. |
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Afternoon |
Temperature: -10°C |
| A mix of cloud and sun with a chance of flurries. Wind 30 to 50 km/h. |
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Evening |
Temperature: -14°C |
| Cloudy. Windy at times. |
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| Tuesday, January 20th, 2026 |
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Overnight |
Temperature: -13°C |
| Cloudy with a chance of flurries. Windy at times. |
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Morning |
Temperature: -12°C |
| Cloudy with a slight chance of flurries. Windy. |
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Afternoon |
Temperature: -12°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: -11°C |
| Cloudy. Windy at times. |
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| Wednesday, January 21st, 2026 |
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Overnight |
Temperature: -9°C |
| Cloudy with a chance of flurries. Windy at times. |
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Morning |
Temperature: -3°C |
| Cloudy with flurries likely. Windy. |
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Afternoon |
Temperature: -2°C |
| Cloudy with a chance of flurries. Windy. |
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Evening |
Temperature: -5°C |
| Cloudy. Windy at times. |
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| Thursday, January 22nd, 2026 |
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Overnight |
Temperature: -9°C |
| Cloudy. Windy at times. |
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Morning |
Temperature: -9°C |
| Cloudy. Windy. |
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Afternoon |
Temperature: -10°C |
| Cloudy. Windy. |
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Evening |
Temperature: -14°C |
| Mostly clear. Windy at times. |
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| Friday, January 23rd, 2026 |
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Overnight |
Temperature: -14°C |
| Cloudy. |
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Morning |
Temperature: -9°C |
| Cloudy with a slight chance of flurries. Windy at times. |
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Afternoon |
Temperature: -6°C |
| Cloudy with a chance of flurries. Windy at times. |
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Evening |
Temperature: -4°C |
| Cloudy with flurries likely. Windy at times. |
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| Saturday, January 24th, 2026 |
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Overnight |
Temperature: -4°C |
| Cloudy with a chance of flurries. Windy at times. |
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Morning |
Temperature: -9°C |
| Cloudy with a slight chance of flurries. Windy. |
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Afternoon |
Temperature: -11°C |
| Cloudy with a slight chance of flurries. Wind 30 to 50 km/h. |
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Evening |
Temperature: -14°C |
| Cloudy with a chance of flurries. Windy. |
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| Sunday, January 25th, 2026 |
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Overnight |
Temperature: -17°C |
| Cloudy with flurries likely. Windy. |
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Morning |
Temperature: -16°C |
| Sunny with cloudy periods with a chance of flurries. Windy. |
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Afternoon |
Temperature: -14°C |
| Cloudy. Windy. |
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Evening |
Temperature: -17°C |
| A mix of cloudy and clear skies. Windy. |
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| Monday, January 26th, 2026 |
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Overnight |
Temperature: -16°C |
| A mix of cloudy and clear skies. Windy. |
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Morning |
Temperature: -14°C |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: -13°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: -15°C |
| Clear with cloudy periods. Windy at times. |
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