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 Sarnia Weather Forecast Summary |
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Today
Jun 14th
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Monday
Jun 15th
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Tuesday
Jun 16th
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Wednesday
Jun 17th
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Thursday
Jun 18th
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Mostly Cloudy with Showers |
Mostly Sunny |
Mix of Cloud and Sun |
Mix of Cloud and Sun |
Mostly Cloudy with Showers |
20°C
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21°C
9°C |
23°C
12°C |
20°C
13°C |
17°C
12°C |
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| Sarnia Detailed Weather Forecast |
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| Sunday, June 14th, 2026 |
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Evening |
Temperature: 12°C |
| A mix of cloudy and clear skies with a slight chance of showers. Windy at times. |
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| Monday, June 15th, 2026 |
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Overnight |
Temperature: 9°C |
| Mostly clear. Windy at times. |
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Morning |
Temperature: 12°C |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 20°C |
| Sunny with cloudy periods. Windy at times. |
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Evening |
Temperature: 16°C |
| A mix of cloudy and clear skies. Slight chance of a thunderstorm. |
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| Tuesday, June 16th, 2026 |
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Overnight |
Temperature: 12°C |
| Clear with cloudy periods. |
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Morning |
Temperature: 17°C |
| Sunny with cloudy periods. Slight chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 22°C |
| Mostly cloudy. Slight chance of a thunderstorm. Windy. |
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Evening |
Temperature: 15°C |
| Mostly cloudy with a slight chance of showers. Windy. |
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| Wednesday, June 17th, 2026 |
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Overnight |
Temperature: 14°C |
| Clear with cloudy periods with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
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Morning |
Temperature: 15°C |
| A mix of cloud and sun with a slight chance of showers. Windy at times. |
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Afternoon |
Temperature: 19°C |
| A mix of cloud and sun with a slight chance of showers. Windy at times. |
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Evening |
Temperature: 17°C |
| Mostly cloudy. Windy at times. |
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| Thursday, June 18th, 2026 |
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Overnight |
Temperature: 15°C |
| Cloudy with clear periods with showers. Windy. |
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Morning |
Temperature: 16°C |
| A mix of cloud and sun with a few showers. Windy at times. |
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Afternoon |
Temperature: 16°C |
| A mix of sun and cloud with a slight chance of showers. Windy at times. |
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Evening |
Temperature: 13°C |
| A mix of cloudy and clear skies. Windy at times. |
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| Friday, June 19th, 2026 |
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Overnight |
Temperature: 11°C |
| Clear with cloudy periods. |
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Morning |
Temperature: 15°C |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 19°C |
| A mix of cloud and sun with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 15°C |
| Clear with a chance of showers. Slight chance of a thunderstorm. |
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| Saturday, June 20th, 2026 |
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Overnight |
Temperature: 11°C |
| Clear with a slight chance of showers. Windy at times. |
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Morning |
Temperature: 15°C |
| Sunny with a slight chance of showers or thundershowers. Windy. |
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Afternoon |
Temperature: 17°C |
| A mix of sun and cloud with a chance of showers. Slight chance of a thunderstorm. Windy. |
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Evening |
Temperature: 14°C |
| A mix of clear and cloudy skies with a slight chance of showers. Windy at times. |
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| Sunday, June 21st, 2026 |
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Overnight |
Temperature: 10°C |
| Clear. Windy at times. |
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Morning |
Temperature: 12°C |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 16°C |
| Sunny. |
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Evening |
Temperature: 12°C |
| Clear. |
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| Monday, June 22nd, 2026 |
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Overnight |
Temperature: 10°C |
| Clear. |
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Morning |
Temperature: 15°C |
| Sunny. |
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Afternoon |
Temperature: 18°C |
| Mostly sunny. |
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Evening |
Temperature: 14°C |
| Mostly clear. |
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