 |
 Current Sarnia Weather Conditions |
Updated September 17th at 1:00 am |
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| Temperature: | 57°F |
Dew Point: | 57°F |
| Barometer: | 30.15 inHg |
Wind: | calm |
| Humidity: | 100.0% |
Visibility: | 0M |
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| Sarnia Weather Forecast Summary |
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Today
Sep 17th
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Thursday
Sep 18th
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Friday
Sep 19th
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Saturday
Sep 20th
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Sunday
Sep 21st
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Mostly Sunny |
Cloudy |
Mix of Cloud and Sun |
Cloudy |
Cloudy |
81°F
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78°F
58°F |
75°F
54°F |
79°F
53°F |
88°F
65°F |
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| Sarnia Detailed Weather Forecast |
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| Wednesday, September 17th, 2025 |
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Overnight |
Temperature: 59°F |
| Mostly clear. |
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Morning |
Temperature: 79°F |
| Sunny. |
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Afternoon |
Temperature: 75°F |
| Sunny. |
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Evening |
Temperature: 62°F |
| Clear. |
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| Thursday, September 18th, 2025 |
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Overnight |
Temperature: 61°F |
| Clear. |
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Morning |
Temperature: 78°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 68°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 60°F |
| Cloudy with a slight chance of showers. Windy at times. |
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| Friday, September 19th, 2025 |
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Overnight |
Temperature: 54°F |
| A mix of cloudy and clear skies with a chance of showers. |
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Morning |
Temperature: 71°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 66°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 56°F |
| Clear. Windy at times. |
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| Saturday, September 20th, 2025 |
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Overnight |
Temperature: 54°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 73°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 75°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 64°F |
| A mix of cloudy and clear skies. Windy. |
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| Sunday, September 21st, 2025 |
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Overnight |
Temperature: 67°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 80°F |
| Cloudy with a slight chance of showers. Windy at times. |
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Afternoon |
Temperature: 82°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 71°F |
| Mostly clear with a slight chance of showers. Windy at times. |
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| Monday, September 22nd, 2025 |
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Overnight |
Temperature: 69°F |
| A mix of cloudy and clear skies. Windy at times. |
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Morning |
Temperature: 86°F |
| Sunny. Windy. |
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Afternoon |
Temperature: 83°F |
| A mix of cloud and sun. Windy. |
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Evening |
Temperature: 75°F |
| Cloudy. Windy. |
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| Tuesday, September 23rd, 2025 |
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Overnight |
Temperature: 66°F |
| Cloudy with showers likely. Slight chance of a thunderstorm. Windy. |
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Morning |
Temperature: 75°F |
| Sunny with a chance of showers. Windy. |
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Afternoon |
Temperature: 71°F |
| Sunny. Windy. |
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Evening |
Temperature: 62°F |
| Clear with cloudy periods. Windy at times. |
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| Wednesday, September 24th, 2025 |
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Overnight |
Temperature: 66°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 81°F |
| Sunny. Windy. |
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Afternoon |
Temperature: 74°F |
| Sunny. Windy. |
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Evening |
Temperature: 61°F |
| Clear. Windy at times. |
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