Currently: 21 °F. Mostly cloudy. (Weather station: Sarnia Airport, Canada). See more current weatherHour-by-hour Forecast in Sarnia — Graph
Detailed Hourly Forecast — Next 24 hours
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| Conditions | Comfort | Precipitation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Feels Like | Wind | Humidity | Chance | Amount | ||
| 8:00 am Tue, Dec 9 |  | 21 °F | Overcast. | 7 °F | 16 mph | ↑ | 72% | 3% | 0.00" (snow) 0.00" (rain) |
| 9:00 am | | 22 °F | Overcast. | 7 °F | 17 mph | ↑ | 79% | 2% | 0.00" (snow) 0.00" (rain) |
| 10:00 am |  | 24 °F | Light snow. Overcast. | 10 °F | 19 mph | ↑ | 84% | 15% | 0.17" (snow) 0.00" (rain) |
| 11:00 am |  | 26 °F | Light fog. | 12 °F | 19 mph | ↑ | 87% | 6% | 0.00" (snow) 0.00" (rain) |
| 12:00 pm | | 27 °F | Light snow. Overcast. | 13 °F | 20 mph | ↑ | 86% | 21% | 0.24" (snow) 0.00" (rain) |
| 1:00 pm | | 29 °F | Light snow. Overcast. | 15 °F | 21 mph | ↑ | 85% | 23% | 0.27" (snow) 0.00" (rain) |
| 2:00 pm | | 30 °F | Light snow. Overcast. | 17 °F | 20 mph | ↑ | 84% | 33% | 0.23" (snow) 0.00" (rain) |
| 3:00 pm | | 31 °F | Light snow. Overcast. | 19 °F | 19 mph | ↑ | 83% | 46% | 0.14" (snow) 0.00" (rain) |
| 4:00 pm | | 31 °F | Light snow. Overcast. | 20 °F | 18 mph | ↑ | 83% | 51% | 0.07" (snow) 0.00" (rain) |
| 5:00 pm |  | 31 °F | Light snow. Overcast. | 20 °F | 17 mph | ↑ | 84% | 41% | 0.05" (snow) 0.00" (rain) |
| 6:00 pm | | 32 °F | Light snow. Overcast. | 21 °F | 17 mph | ↑ | 86% | 33% | 0.04" (snow) 0.00" (rain) |
| 7:00 pm | | 32 °F | Light snow. Overcast. | 21 °F | 16 mph | ↑ | 86% | 28% | 0.04" (snow) 0.00" (rain) |
| 8:00 pm | | 33 °F | Light snow. Overcast. | 22 °F | 16 mph | ↑ | 84% | 26% | 0.04" (snow) 0.00" (rain) |
| 9:00 pm | | 33 °F | Light snow. Overcast. | 22 °F | 16 mph | ↑ | 84% | 25% | 0.04" (snow) 0.00" (rain) |
| 10:00 pm | | 33 °F | Light snow. Overcast. | 22 °F | 16 mph | ↑ | 85% | 24% | 0.04" (snow) 0.00" (rain) |
| 11:00 pm | | 33 °F | Light snow. Overcast. | 23 °F | 14 mph | ↑ | 86% | 19% | 0.04" (snow) 0.00" (rain) |
| 12:00 am Wed, Dec 10 | | 33 °F | Light snow. Overcast. | 24 °F | 13 mph | ↑ | 88% | 19% | 0.04" (snow) 0.00" (rain) |
| 1:00 am | | 34 °F | Light snow. Overcast. | 25 °F | 12 mph | ↑ | 91% | 24% | 0.08" (snow) 0.00" (rain) |
| 2:00 am | | 34 °F | Light snow. Overcast. | 25 °F | 13 mph | ↑ | 91% | 32% | 0.28" (snow) 0.00" (rain) |
| 3:00 am | | 34 °F | Snow. Overcast. | 24 °F | 14 mph | ↑ | 91% | 41% | 0.62" (snow) 0.00" (rain) |
| 4:00 am | | 34 °F | Snow. Overcast. | 24 °F | 15 mph | ↑ | 91% | 49% | 0.77" (snow) 0.00" (rain) |
| 5:00 am | | 34 °F | Snow. Overcast. | 25 °F | 13 mph | ↑ | 91% | 56% | 0.67" (snow) 0.00" (rain) |
| 6:00 am | | 35 °F | Snow. Overcast. | 26 °F | 12 mph | ↑ | 91% | 59% | 0.54" (snow) 0.00" (rain) |
| 7:00 am |  | 35 °F | Light rain. Overcast. | 27 °F | 11 mph | ↑ | 90% | 62% | 0.00" (snow) 0.04" (rain) |
| * Updated Tuesday, December 9, 2025 2:42:34 am Sarnia time - Weather by CustomWeather, © 2025 | |||||||||