St. Catharines
Tomorrow
Tomorrow weather in St. Catharines
Tuesday, 21st July 2026
26°
Partly cloudy
Low 20°
The weather tomorrow in St. Catharines will be colder than today, with max temperatures of 26°.
The rain will visit again tomorrow in St. Catharines and the expected precipitation are 6 mm.
The wind tomorrow will get stronger and reach 40 km/h.
26° / 20°
Temp
69%
Rain
40 km/h
Wind
71%
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 | 05:56 | 06:00 | 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 | 20:00 | 20:50 | 21:00 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | |  | | |  | | |  | |  | |  | | | |  |  | | | |  |  | | | Next |
| temperatures | 20.5° | 20.3° | 20° | 20° | 19.5° | 19.5° | Sunrise | 20.3° | 20.7° | 21.4° | 21.3° | 23.2° | 24.9° | 25.3° | 26.1° | 26.3° | 26.4° | 25.7° | 24.5° | 25° | 24.8° | 23.9° | Sunset | 23.1° | 22.1° | 21.7° | |
| feels like | 20.5° | 20.3° | 20° | 20° | 19.5° | 19.5° | 20.3° | 20.7° | 21.4° | 21.3° | 25° | 26.2° | 26.7° | 27.5° | 28° | 28.3° | 27.8° | 26.5° | 27° | 26.5° | 25.7° | 25.1° | 24.6° | 21.7° | |||
| wind speed | 14 km/h | 16 km/h | 17 km/h | 16 km/h | 15 km/h | 16 km/h | 16 km/h | 21 km/h | 23 km/h | 24 km/h | 28 km/h | 31 km/h | 34 km/h | 40 km/h | 35 km/h | 33 km/h | 32 km/h | 24 km/h | 19 km/h | 23 km/h | 20 km/h | 16 km/h | 15 km/h | 16 km/h | |||
| wind degree | 200° | 197° | 191° | 196° | 199° | 205° | 196° | 187° | 191° | 186° | 198° | 202° | 210° | 224° | 227° | 235° | 250° | 251° | 248° | 279° | 281° | 290° | 285° | 297° | |||
| wind direction | SSW | SSW | S | SSW | SSW | SSW | SSW | S | S | S | SSW | SSW | SSW | SW | SW | SW | WSW | WSW | WSW | W | WNW | WNW | WNW | WNW | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0.2 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 3.8 mm | 0.7 mm | 0.4 mm | 0.2 mm | 0 mm | 0.5 mm | 0.2 mm | 0 mm | |||
| chance for rain | 8% | 8% | 9% | 7% | 8% | 10% | 11% | 9% | 26% | 9% | 5% | 6% | 7% | 7% | 12% | 7% | 69% | 56% | 42% | 27% | 19% | 48% | 36% | 13% | |||
| 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 | 62% | 65% | 68% | 70% | 74% | 75% | 73% | 71% | 69% | 69% | 64% | 62% | 64% | 65% | 67% | 69% | 76% | 81% | 77% | 73% | 73% | 76% | 81% | 84% | |||
| dew point | 13° | 13.5° | 14° | 14.4° | 14.8° | 15° | 15.3° | 15.3° | 15.6° | 15.3° | 16° | 17.1° | 18.1° | 18.9° | 19.7° | 20.3° | 21.1° | 20.9° | 20.7° | 19.7° | 18.9° | 18.7° | 18.8° | 18.9° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 5 km | 10 km | 10 km | 10 km | 9 km | 9 km | 9 km | 10 km | 6 km | 9 km | 9 km | 9 km | 10 km | 9 km | 9 km | 10 km | |||
| cloud cover | 50% | 48% | 46% | 16% | 18% | 33% | 47% | 36% | 79% | 48% | 17% | 40% | 35% | 39% | 72% | 24% | 52% | 82% | 85% | 74% | 82% | 85% | 80% | 22% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.6 | 1.1 | 2 | 2 | 3.6 | 4.1 | 4.6 | 4.7 | 3.8 | 2.6 | 1.4 | 0.5 | 0 | 0 | 0 | 0 |
Weather in St. Catharines tomorrow
The weather in St. Catharines tomorrow is expected to be slightly warmer than usual, with a forecast temperature of 26 °C, compared to an average of 23.7 °C for 21st of July in recent years.
temperatures
26 °C
rain
6.1 mm
wind
40 km/h
UV
Moderate
St. Catharines daylight overview ☀️
Tomorrow in St. Catharines, The sun rises at 05:56 and sets at 20:50, giving a total daylight duration of 14 hours and 54 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.
Short-sleeve shirt
Shorts
Lightweight trousers
Sunglasses
Wide brimmed hat
Sunscreen
Umbrella
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 26° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in St. Catharines? 🌧️
Yes, there is a 69% chance of rain in St. Catharines tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
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 26 °C with a 69% 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 05:56 and set at 20:50 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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