Sarnia Extended Forecast with high and low temperatures
2 Week Extended Forecast in Sarnia, Ontario, Canada
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Sat Dec 6 |  | 33 / 22 °F | Light snow. Overcast. | 23 °F | 12 mph | ↑ | 74% | 23% | 0.33" | 0 (Low) | 7:46 am | 4:54 pm |
| Sun Dec 7 | | 32 / 22 °F | Light snow. Overcast. | 20 °F | 14 mph | ↑ | 79% | 67% | 1.04" | 0 (Low) | 7:47 am | 4:54 pm |
| Mon Dec 8 |  | 24 / 16 °F | Overcast. | 16 °F | 5 mph | ↑ | 60% | 21% | 0.24" | 0 (Low) | 7:48 am | 4:54 pm |
| Tue Dec 9 | | 35 / 18 °F | Light snow. Overcast. | 22 °F | 17 mph | ↑ | 87% | 54% | 0.87" | 0 (Low) | 7:49 am | 4:54 pm |
| Wed Dec 10 |  | 39 / 34 °F | Light rain. Overcast. | 27 °F | 20 mph | ↑ | 95% | 72% | 0.70" | 0 (Low) | 7:50 am | 4:54 pm |
| Thu Dec 11 |  | 35 / 31 °F | Snow. Overcast. | 24 °F | 14 mph | ↑ | 97% | 53% | 2.41" | 0 (Low) | 7:50 am | 4:54 pm |
| Fri Dec 12 | | 32 / 18 °F | Light snow early. Cloudy. | 11 °F | 14 mph | ↑ | 68% | 44% | 0.46" | 0 (Low) | 7:51 am | 4:54 pm |
| Sat Dec 13 | | 21 / 15 °F | Light snow late. Mostly cloudy. | 8 °F | 14 mph | ↑ | 77% | 46% | 0.25" | 0 (Low) | 7:52 am | 4:55 pm |
| Sun Dec 14 | | 22 / 16 °F | Light snow. Cloudy. | 5 °F | 17 mph | ↑ | 87% | 58% | 1.19" | 0 (Low) | 7:53 am | 4:55 pm |
| Mon Dec 15 | | 26 / 20 °F | Overcast. | 13 °F | 13 mph | ↑ | 78% | 6% | 0.00" | 0 (Low) | 7:54 am | 4:55 pm |
| Tue Dec 16 |  | 25 / 20 °F | Broken clouds. | 8 °F | 24 mph | ↑ | 81% | 42% | 0.06" | 0 (Low) | 7:54 am | 4:55 pm |
| Wed Dec 17 | | 24 / 15 °F | Broken clouds. | 10 °F | 13 mph | ↑ | 83% | 48% | 0.29" | 0 (Low) | 7:55 am | 4:56 pm |
| Thu Dec 18 | | 23 / 16 °F | Light snow early. Cloudy. | 13 °F | 10 mph | ↑ | 80% | 50% | 0.75" | 0 (Low) | 7:55 am | 4:56 pm |
| Fri Dec 19 | | 28 / 20 °F | Moderate snow. Overcast. | 11 °F | 17 mph | ↑ | 96% | 68% | 5.28" | 0 (Low) | 7:56 am | 4:57 pm |
| Sat Dec 20 | | 30 / 19 °F | Mostly cloudy. | 11 °F | 15 mph | ↑ | 79% | 6% | 0.00" | 0 (Low) | 7:57 am | 4:57 pm |
| * Updated Saturday, December 6, 2025 4:24:07 am Sarnia time - Weather by CustomWeather, © 2025 | ||||||||||||