St. Catharines Extended Forecast with high and low temperatures
2 Week Extended Forecast in St. Catharines, Ontario, Canada
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
|
Fri
Dec 19 |
|
9 / -4 °C | Rain changing to snow. Overcast. | -9 °C | 46 km/h | ↑ | 65% | 87% | 32.3 mm | 0 (Low) | 7:44 am | 4:43 pm |
|
Sat
Dec 20 |
|
4 / -5 °C | Sprinkles late. Cloudy. | -4 °C | 31 km/h | ↑ | 60% | 38% | 5.4 mm | 0 (Low) | 7:45 am | 4:44 pm |
|
Sun
Dec 21 |
|
2 / -4 °C | Light snow. Cloudy. | -11 °C | 40 km/h | ↑ | 61% | 40% | 22.3 mm | 0 (Low) | 7:45 am | 4:44 pm |
|
Mon
Dec 22 |
|
0 / -5 °C | Cloudy. | -3 °C | 10 km/h | ↑ | 65% | 2% | 0.0 mm | 0 (Low) | 7:46 am | 4:45 pm |
|
Tue
Dec 23 |
|
3 / -1 °C | Light rain. Overcast. | -3 °C | 29 km/h | ↑ | 83% | 47% | 4.0 mm | 0 (Low) | 7:46 am | 4:45 pm |
|
Wed
Dec 24 |
|
4 / -1 °C | Mostly cloudy. | 0 °C | 10 km/h | ↑ | 74% | 5% | 0.0 mm | 0 (Low) | 7:47 am | 4:46 pm |
|
Thu
Dec 25 |
|
8 / 1 °C | Rain. Overcast. | 3 °C | 9 km/h | ↑ | 89% | 51% | 6.4 mm | 0 (Low) | 7:47 am | 4:47 pm |
|
Fri
Dec 26 |
|
10 / 6 °C | Rain. Overcast. | 4 °C | 14 km/h | ↑ | 99% | 81% | 17.5 mm | 0 (Low) | 7:47 am | 4:47 pm |
|
Sat
Dec 27 |
|
6 / 2 °C | Mostly cloudy. | 2 °C | 13 km/h | ↑ | 68% | 6% | 0.0 mm | 0 (Low) | 7:48 am | 4:48 pm |
|
Sun
Dec 28 |
|
5 / 1 °C | Broken clouds. | 1 °C | 16 km/h | ↑ | 59% | 6% | 0.0 mm | 0 (Low) | 7:48 am | 4:49 pm |
|
Mon
Dec 29 |
|
5 / 0 °C | Cloudy. | 4 °C | 5 km/h | ↑ | 77% | 6% | 0.0 mm | 0 (Low) | 7:48 am | 4:50 pm |
|
Tue
Dec 30 |
|
5 / 0 °C | Mostly cloudy. | 3 °C | 5 km/h | ↑ | 64% | 5% | 0.0 mm | 0 (Low) | 7:48 am | 4:50 pm |
|
Wed
Dec 31 |
|
6 / 1 °C | Light mixture of precip. Overcast. | 0 °C | 31 km/h | ↑ | 86% | 65% | 5.1 mm | 0 (Low) | 7:48 am | 4:51 pm |
|
Thu
Jan 1 |
|
5 / 3 °C | Mostly sunny. | 1 °C | 21 km/h | ↑ | 46% | 54% | 0.5 mm | 0 (Low) | 7:48 am | 4:52 pm |
|
Fri
Jan 2 |
|
5 / -1 °C | Light snow late. Overcast. | 1 °C | 20 km/h | ↑ | 54% | 53% | 28.4 mm | 0 (Low) | 7:48 am | 4:53 pm |
| * Updated Thursday, December 18, 2025 10:24:06 pm St. Catharines time - Weather by CustomWeather, © 2025 | ||||||||||||