Currently: 7 °F. Passing clouds. (Weather station: London Weather Station, Canada). See more current weatherSt. Thomas Extended Forecast with high and low temperatures
2 Week Extended Forecast in St. Thomas, Ontario, Canada
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Fri Dec 5 |  | 30 / 10 °F | Overcast. | 19 °F | 10 mph | ↑ | 63% | 5% | 0.00" | 0 (Low) | 7:39 am | 4:50 pm |
| Sat Dec 6 |  | 33 / 22 °F | Light snow. Overcast. | 24 °F | 9 mph | ↑ | 82% | 50% | 0.65" | 0 (Low) | 7:40 am | 4:50 pm |
| Sun Dec 7 |  | 30 / 20 °F | Snow. Overcast. | 23 °F | 7 mph | ↑ | 88% | 72% | 3.15" | 0 (Low) | 7:41 am | 4:50 pm |
| Mon Dec 8 | | 24 / 8 °F | Light snow early. Broken clouds. | 11 °F | 5 mph | ↑ | 78% | 55% | 0.78" | 0 (Low) | 7:42 am | 4:50 pm |
| Tue Dec 9 | | 35 / 18 °F | Light snow late. Overcast. | 19 °F | 17 mph | ↑ | 74% | 22% | 0.35" | 0 (Low) | 7:43 am | 4:50 pm |
| Wed Dec 10 |  | 40 / 26 °F | Light rain. Overcast. | 26 °F | 25 mph | ↑ | 88% | 55% | 0.60" | 0 (Low) | 7:44 am | 4:50 pm |
| Thu Dec 11 | | 26 / 16 °F | Light snow early. Cloudy. | 8 °F | 14 mph | ↑ | 71% | 39% | 0.54" | 0 (Low) | 7:45 am | 4:50 pm |
| Fri Dec 12 |  | 26 / 23 °F | Breaks of sun late. | 17 °F | 9 mph | ↑ | 66% | 51% | 0.11" | 0 (Low) | 7:46 am | 4:50 pm |
| Sat Dec 13 | | 29 / 22 °F | Partly cloudy. | 20 °F | 8 mph | ↑ | 68% | 50% | 0.22" | 0 (Low) | 7:46 am | 4:51 pm |
| Sun Dec 14 | | 37 / 25 °F | Overcast. | 20 °F | 20 mph | ↑ | 75% | 6% | 0.00" | 0 (Low) | 7:47 am | 4:51 pm |
| Mon Dec 15 |  | 35 / 25 °F | Broken clouds. | 25 °F | 17 mph | ↑ | 60% | 6% | 0.00" | 0 (Low) | 7:48 am | 4:51 pm |
| Tue Dec 16 | | 30 / 23 °F | Light snow late. Overcast. | 23 °F | 7 mph | ↑ | 52% | 50% | 0.22" | 0 (Low) | 7:49 am | 4:51 pm |
| Wed Dec 17 | | 30 / 23 °F | Light snow. Overcast. | 24 °F | 6 mph | ↑ | 78% | 52% | 0.63" | 0 (Low) | 7:49 am | 4:52 pm |
| Thu Dec 18 | | 37 / 26 °F | Light snow. Overcast. | 26 °F | 19 mph | ↑ | 92% | 58% | 1.36" | 0 (Low) | 7:50 am | 4:52 pm |
| Fri Dec 19 | | 37 / 27 °F | Light snow. Overcast. | 29 °F | 10 mph | ↑ | 91% | 46% | 0.37" | 0 (Low) | 7:51 am | 4:52 pm |
| * Updated Thursday, December 4, 2025 4:24:05 pm St. Thomas time - Weather by CustomWeather, © 2025 | ||||||||||||