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 Mar 21 |  | 44 / 32 °F | Overcast. | 36 °F | 10 mph | ↑ | 66% | 5% | 0.00" | 0 (Low) | 7:30 am | 7:43 pm |
| Sun Mar 22 |  | 45 / 33 °F | Light rain. Overcast. | 28 °F | 17 mph | ↑ | 79% | 53% | 0.30" | 0 (Low) | 7:29 am | 7:44 pm |
| Mon Mar 23 |  | 35 / 28 °F | Light snow late. Cloudy. | 25 °F | 14 mph | ↑ | 58% | 23% | 0.24" | 3 (Moderate) | 7:27 am | 7:45 pm |
| Tue Mar 24 | | 43 / 19 °F | Sprinkles late. Increasing cloudiness. | 33 °F | 13 mph | ↑ | 46% | 22% | 0.01" | 3 (Moderate) | 7:25 am | 7:46 pm |
| Wed Mar 25 | | 46 / 27 °F | Sprinkles late. Overcast. | 37 °F | 12 mph | ↑ | 63% | 24% | 0.02" | 0 (Low) | 7:23 am | 7:47 pm |
| Thu Mar 26 |  | 54 / 35 °F | Rain. Overcast. | 45 °F | 15 mph | ↑ | 82% | 69% | 0.32" | 0 (Low) | 7:21 am | 7:48 pm |
| Fri Mar 27 | | 35 / 20 °F | Cloudy. | 19 °F | 15 mph | ↑ | 50% | 20% | 0.08" | 3 (Moderate) | 7:20 am | 7:50 pm |
| Sat Mar 28 | | 34 / 21 °F | Light snow. Mostly cloudy. | 20 °F | 23 mph | ↑ | 39% | 21% | 0.51" | 0 (Low) | 7:18 am | 7:51 pm |
| Sun Mar 29 |  | 35 / 25 °F | Increasing cloudiness. | 24 °F | 17 mph | ↑ | 35% | 6% | 0.00" | 3 (Moderate) | 7:16 am | 7:52 pm |
| Mon Mar 30 | | 41 / 26 °F | Light snow early. Overcast. | 33 °F | 15 mph | ↑ | 75% | 52% | 0.11" | 3 (Moderate) | 7:14 am | 7:53 pm |
| Tue Mar 31 |  | 42 / 28 °F | Scattered clouds. | 38 °F | 6 mph | ↑ | 41% | 5% | 0.00" | 3 (Moderate) | 7:13 am | 7:54 pm |
| Wed Apr 1 | | 44 / 32 °F | Light rain. Overcast. | 35 °F | 23 mph | ↑ | 81% | 66% | 0.46" | 0 (Low) | 7:11 am | 7:55 pm |
| Thu Apr 2 | | 54 / 32 °F | Sprinkles late. Overcast. | 51 °F | 9 mph | ↑ | 85% | 51% | 0.12" | 3 (Moderate) | 7:09 am | 7:57 pm |
| Fri Apr 3 |  | 54 / 36 °F | Heavy rain. Overcast. | 50 °F | 14 mph | ↑ | 93% | 91% | 1.29" | 0 (Low) | 7:07 am | 7:58 pm |
| Sat Apr 4 | | 56 / 43 °F | Light rain. Overcast. | 52 °F | 20 mph | ↑ | 64% | 60% | 0.18" | 0 (Low) | 7:06 am | 7:59 pm |
| * Updated Saturday, March 21, 2026 11:24:08 am Sarnia time - Weather by CustomWeather, © 2026 | ||||||||||||