St. Catharines
Tomorrow
Tomorrow weather in St. Catharines
Monday, 15th December 2025
-1°
Overcast
The weather tomorrow in St. Catharines will be much hotter than today, with temperatures rising to -1°.
No rain is expected in St. Catharines tomorrow.
The wind tomorrow will get stronger and reach 40 km/h.
-1° / -6°
Temp
0%
Rain
40 km/h
Wind
81%
Humidity
St. Catharines Weather Pages
St. Catharines hourly forecast for tomorrow
Scroll right to see more weather forecasts for St. Catharines tomorrow
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 07:42 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 16:42 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | | | | | |  |  | | | | | | | | |  |  | | | | | | | Next |
| temperatures | -5.2° | -5.1° | -5.1° | -5.1° | -5.2° | -5.4° | -5.5° | -5.7° | Sunrise | -5.2° | -4.6° | -4.1° | -3.2° | -2.5° | -1.8° | -1.6° | -1.5° | -1.4° | Sunset | -1.7° | -2° | -2.2° | -2.8° | -3.4° | -4.1° | -4.4° | |
| feels like | -11.6° | -11.3° | -11.4° | -11.6° | -11.8° | -11.9° | -11.9° | -11.9° | -11.4° | -11° | -10.6° | -9.9° | -9.3° | -8.8° | -8.8° | -9° | -9.2° | -9.7° | -10.1° | -10.4° | -11.1° | -11.7° | -11.6° | -12.4° | |||
| wind speed | 14 km/h | 16 km/h | 19 km/h | 16 km/h | 18 km/h | 14 km/h | 13 km/h | 14 km/h | 16 km/h | 17 km/h | 17 km/h | 22 km/h | 28 km/h | 30 km/h | 30 km/h | 30 km/h | 35 km/h | 40 km/h | 39 km/h | 41 km/h | 39 km/h | 34 km/h | 31 km/h | 30 km/h | |||
| wind degree | 282° | 289° | 296° | 301° | 297° | 296° | 288° | 274° | 257° | 252° | 240° | 248° | 248° | 248° | 248° | 246° | 242° | 242° | 246° | 258° | 266° | 262° | 257° | 252° | |||
| wind direction | WNW | WNW | WNW | WNW | WNW | WNW | WNW | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | WSW | WSW | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 84% | 85% | 86% | 85% | 84% | 84% | 83% | 83% | 83% | 82% | 82% | 81% | 80% | 80% | 80% | 78% | 77% | 77% | 77% | 77% | 77% | 75% | 74% | 83% | |||
| dew point | -7.1° | -7° | -6.9° | -7.3° | -7.4° | -7.6° | -7.9° | -8.1° | -8.3° | -7.2° | -6.7° | -6.2° | -5.2° | -4.7° | -4.3° | -4.6° | -4.8° | -4.9° | -5.4° | -5.7° | -5.9° | -7.2° | -7.8° | -7.2° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 2 km | 0 km | 2 km | 0 km | 0 km | 2 km | 2 km | 2 km | 2 km | 10 km | 10 km | 10 km | |||
| cloud cover | 53% | 54% | 54% | 41% | 35% | 29% | 39% | 45% | 50% | 75% | 88% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 99% | 59% | 39% | 52% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.4 | 0.7 | 0.7 | 0.6 | 0.5 | 0.4 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Weather in St. Catharines tomorrow
The weather in St. Catharines tomorrow is expected to be much cooler than usual, with a forecast temperature of -1 °C, compared to an average of 4.5 °C for 15th of December in recent years.
temperatures
-1 °C
rain
0 mm
wind
40 km/h
snow
0 cm
St. Catharines daylight overview ☀️
Tomorrow in St. Catharines, The sun rises at 07:42 and sets at 16:42, giving a total daylight duration of 9 hours and 0 minutes.
Quick links
More St. Catharines weather pages
What to wear tomorrow in St. Catharines? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's St. Catharines forecast.
Thermal underwear
Sweater/Fleece
Insulated jacket
Warm pants
Warm boots
Beanie
Gloves/Mitten
Scarf
Thick socks
The weather tomorrow in St. Catharines - FAQ
What is the maximum temperature for tomorrow in St. Catharines?
The maximum temperature for tomorrow in St. Catharines is expected to be -1° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it snow tomorrow in St. Catharines? ❄️
No, there is no significant chance of snow in St. Catharines tomorrow. It should be snow-free.
Will it rain tomorrow in St. Catharines? 🌧️
No, there is no significant chance of rain in St. Catharines tomorrow. It should be a dry day.
What will be the wind speed tomorrow in St. Catharines? 🌀
The wind in St. Catharines is expected to blow at 40 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in St. Catharines tomorrow?
Given the forecast of -1 °C with a 0% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in St. Catharines tomorrow.
What is the sunrise and sunset time for St. Catharines tomorrow?
The sun is expected to rise at 07:42 and set at 16:42 in St. Catharines.
How accurate is the weather forecast St. Catharines tomorrow? ✅
St. Catharines weather forecast for tomorrow is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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Where is St. Catharines?Get accurate weather forecasts for St. Catharines, located at latitude 43.171 and longitude -79.243. Stay updated with localized weather information tailored for St. Catharines.
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