Currently: 21 °F. Light snow. Overcast. (Weather station: Sarnia Airport, Canada). See more current weatherSarnia 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 | ||
| Wed Jan 21 |  | 31 / 10 °F | Snow. Overcast. | 18 °F | 15 mph | ↑ | 77% | 86% | 2.77" | 0 (Low) | 7:54 am | 5:27 pm |
| Thu Jan 22 | | 28 / 14 °F | Light snow. Mostly cloudy. | 7 °F | 16 mph | ↑ | 55% | 55% | 1.40" | 0 (Low) | 7:53 am | 5:29 pm |
| Fri Jan 23 | | 15 / -7 °F | Light snow early. Mostly cloudy. | -12 °F | 16 mph | ↑ | 46% | 48% | 0.73" | 0 (Low) | 7:52 am | 5:30 pm |
| Sat Jan 24 |  | 10 / -11 °F | Afternoon clouds. | 0 °F | 5 mph | ↑ | 54% | 0% | 0.00" | 0 (Low) | 7:51 am | 5:31 pm |
| Sun Jan 25 | | 17 / -1 °F | Light snow late. Overcast. | 8 °F | 5 mph | ↑ | 68% | 43% | 0.82" | 0 (Low) | 7:51 am | 5:33 pm |
| Mon Jan 26 | | 22 / 9 °F | Light snow. Cloudy. | 9 °F | 11 mph | ↑ | 65% | 53% | 1.80" | 0 (Low) | 7:50 am | 5:34 pm |
| Tue Jan 27 | | 26 / 9 °F | Partly cloudy. | 10 °F | 19 mph | ↑ | 56% | 2% | 0.00" | 3 (Moderate) | 7:49 am | 5:35 pm |
| Wed Jan 28 | | 26 / 17 °F | Light snow late. Overcast. | 15 °F | 12 mph | ↑ | 92% | 51% | 0.73" | 0 (Low) | 7:48 am | 5:36 pm |
| Thu Jan 29 | | 24 / 19 °F | Light snow. Overcast. | 8 °F | 23 mph | ↑ | 86% | 72% | 2.98" | 0 (Low) | 7:47 am | 5:38 pm |
| Fri Jan 30 |  | 18 / 10 °F | Mostly sunny. | 1 °F | 15 mph | ↑ | 83% | 6% | 0.00" | 0 (Low) | 7:46 am | 5:39 pm |
| Sat Jan 31 | | 17 / 8 °F | Increasing cloudiness. | 2 °F | 14 mph | ↑ | 87% | 6% | 0.00" | 0 (Low) | 7:45 am | 5:40 pm |
| Sun Feb 1 | | 26 / 9 °F | Morning clouds. | 17 °F | 8 mph | ↑ | 87% | 6% | 0.00" | 0 (Low) | 7:44 am | 5:42 pm |
| Mon Feb 2 | | 27 / 9 °F | Mostly sunny. | 17 °F | 9 mph | ↑ | 82% | 6% | 0.00" | 3 (Moderate) | 7:43 am | 5:43 pm |
| Tue Feb 3 | | 32 / 15 °F | Light snow late. Partly cloudy. | 23 °F | 11 mph | ↑ | 84% | 46% | 0.09" | 0 (Low) | 7:42 am | 5:44 pm |
| Wed Feb 4 | | 24 / 17 °F | Light snow late. Increasing cloudiness. | 13 °F | 13 mph | ↑ | 78% | 49% | 0.24" | 0 (Low) | 7:41 am | 5:46 pm |
| * Updated Wednesday, January 21, 2026 4:24:03 am Sarnia time - Weather by CustomWeather, © 2026 | ||||||||||||