St. Catharines
Today
Today weather in St. Catharines
Thursday, 10th September 2026
25°
Sunny
Low 17°
Official weather alert: Small Craft Advisory. St. Catharines will experience a pleasantly warm today, reaching temperatures of up to 25 °C and cooling to about 17 °C in the evening. It'll be quite breezy in St. Catharines Today with average wind speeds of 28 km/h. There's a slight chance of rain at 9%.
25° / 17°
Temp
9%
Rain
28 km/h
Wind
70%
Humidity
St. Catharines Weather Pages
St. Catharines hourly forecast for today
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| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 06:51 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 19:36 | 20:00 | 21:00 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | | | |  |  | | |  |  | | | | | | | |  | |  |  | | | | Next |
| temperatures | 21.6° | 21.3° | 21.2° | 20.9° | 20.4° | 19.8° | 19.2° | Sunrise | 18° | 18.5° | 20.1° | 21° | 24.2° | 23.8° | 25.3° | 25° | 25.2° | 25.3° | 24.7° | 23.5° | 21.8° | Sunset | 19.9° | 18.8° | 18.1° | 17.4° | |
| Feels like | 19.8° | 19.8° | 20.2° | 19.5° | 18.7° | 18.6° | 18.4° | 15.7° | 16.7° | 18.2° | 19° | 23.3° | 22.4° | 24.4° | 23.7° | 23.6° | 23.1° | 21.2° | 19.2° | 17.7° | 16.7° | 16.7° | 16.5° | 15.4° | |||
| wind speed | 28 km/h | 26 km/h | 23 km/h | 25 km/h | 25 km/h | 22 km/h | 18 km/h | 18 km/h | 17 km/h | 18 km/h | 18 km/h | 14 km/h | 14 km/h | 16 km/h | 14 km/h | 17 km/h | 20 km/h | 24 km/h | 28 km/h | 25 km/h | 20 km/h | 17 km/h | 14 km/h | 14 km/h | |||
| wind degree | 251° | 259° | 254° | 252° | 261° | 282° | 278° | 278° | 286° | 290° | 288° | 273° | 261° | 268° | 279° | 298° | 314° | 320° | 317° | 311° | 310° | 309° | 321° | 341° | |||
| wind direction | WSW | W | WSW | WSW | W | WNW | W | W | WNW | WNW | WNW | W | W | W | W | WNW | NW | NW | NW | NW | NW | NW | NW | NNW | |||
| 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 | 13% | 13% | 13% | 13% | 14% | 14% | 26% | 7% | 8% | 20% | 7% | 3% | 13% | 3% | 11% | 12% | 11% | 11% | 10% | 6% | 8% | 9% | 8% | 7% | |||
| 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 | 90% | 90% | 90% | 90% | 91% | 92% | 92% | 75% | 78% | 73% | 67% | 59% | 55% | 54% | 53% | 51% | 49% | 49% | 54% | 56% | 61% | 72% | 76% | 73% | |||
| dew point | 19.8° | 19.7° | 19.6° | 19.2° | 18.9° | 18.4° | 17.9° | 13.5° | 14.7° | 15.2° | 14.7° | 15.8° | 14.1° | 15.4° | 14.7° | 14.5° | 13.8° | 13.4° | 13.5° | 12.6° | 12.1° | 13.6° | 13.8° | 12.6° | |||
| 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 | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 0% | 0% | 0% | 1% | 10% | 3% | 79% | 0% | 0% | 100% | 29% | 0% | 100% | 12% | 94% | 100% | 100% | 100% | 83% | 46% | 53% | 38% | 0% | 0% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 1.1 | 2.5 | 4.2 | 5.8 | 6.7 | 6.4 | 5.2 | 3.5 | 1.6 | 0.6 | 0.1 | 0 | 0 | 0 | 0 |
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View of St. Catharines today
Explore St. Catharines live webcam feed to see how the weather is shaping up today in St. Catharines. See what people are wearing, check out the sky, and get a sense of the atmosphere before you step outside.
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Weather in St. Catharines today
The weather in St. Catharines today is expected to be much warmer than usual, with a forecast temperature of 25 °C, compared to an average of 20 °C for 10th of September in recent years.
temperatures
25 °C
rain
0 mm
wind
28 km/h
UV
High
St. Catharines daylight overview ☀️
Today in St. Catharines, The sun rises at 06:51 and sets at 19:36, giving a total daylight duration of 12 hours and 45 minutes.
Quick links
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What to wear today in St. Catharines? clothing recommendations
Stay comfortably stylish - your tailored guide for today's St. Catharines forecast.
Short-sleeve shirt
Shorts
Lightweight pants
Sunglasses
Wide brimmed hat
Sunscreen
The weather today in St. Catharines - FAQ
What is the maximum temperature for today in St. Catharines?
The maximum temperature for today in St. Catharines is expected to be 25° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in St. Catharines? 🌧️
Yes, there is a 9% chance of rain in St. Catharines today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in St. Catharines? 🌀
The wind in St. Catharines is expected to blow at 28 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in St. Catharines today?
Given the forecast of 25 °C with a 9% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in St. Catharines today.
What is the sunrise and sunset time for St. Catharines today?
The sun is expected to rise at 06:51 and set at 19:36 in St. Catharines.
How accurate is the weather forecast St. Catharines today? ✅
St. Catharines weather forecast for today 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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