Ontario (Toronto)
Tomorrow
Tomorrow weather in Ontario
Tuesday, 12th May 2026
12°
Patchy rain possible
The weather tomorrow in Ontario will be similar like today, with max temperatures of 12°.
The rain will visit again tomorrow in Ontario and the expected precipitation are 2 mm.
12° / 4°
Temp
83%
Rain
17 km/h
Wind
59%
Humidity
Ontario Tomorrow's Weather Forecast
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Ontario Weather Pages
Ontario hourly forecast for tomorrow
Scroll right to see more weather forecasts for Ontario 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 | 20:33 | 21:00 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | | | |  |  | | | | | | | | | | | |  |  |  |  |  | | | Next |
| temperatures | 5.6° | 5.1° | 4.7° | 4.4° | 4.1° | 3.8° | Sunrise | 4° | 4.8° | 5.9° | 7° | 8.1° | 9.1° | 10° | 10.9° | 11.5° | 11.9° | 11.7° | 11.5° | 10.9° | 10.5° | 9.8° | Sunset | 8.8° | 7.9° | 7.3° | |
| feels like | 3.1° | 2.8° | 2.5° | 2.4° | 2.4° | 2.4° | 3.3° | 4.4° | 4.9° | 5.7° | 6.7° | 7.7° | 8.7° | 9.5° | 10.1° | 10.4° | 10.1° | 9.6° | 9.1° | 8.9° | 8.1° | 6.9° | 5.4° | 4.7° | |||
| wind speed | 11 km/h | 10 km/h | 9 km/h | 9 km/h | 7 km/h | 6 km/h | 5 km/h | 2 km/h | 3 km/h | 8 km/h | 9 km/h | 10 km/h | 10 km/h | 11 km/h | 13 km/h | 14 km/h | 14 km/h | 16 km/h | 17 km/h | 14 km/h | 11 km/h | 11 km/h | 12 km/h | 16 km/h | |||
| wind degree | 331° | 328° | 326° | 323° | 319° | 311° | 301° | 292° | 220° | 214° | 200° | 186° | 178° | 168° | 163° | 161° | 160° | 151° | 159° | 173° | 181° | 204° | 175° | 138° | |||
| wind direction | NNW | NNW | NW | NW | NW | NW | WNW | WNW | SW | SW | SSW | S | S | SSE | SSE | SSE | SSE | SSE | SSE | S | S | SSW | S | SE | |||
| 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 | 1.1 mm | 0.8 mm | 0.7 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% | 100% | 100% | 100% | |||
| 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 | 56% | 59% | 62% | 65% | 68% | 69% | 70% | 67% | 61% | 56% | 52% | 49% | 47% | 45% | 45% | 45% | 47% | 52% | 55% | 58% | 59% | 67% | 84% | 88% | |||
| dew point | -2.6° | -2.4° | -2.1° | -1.6° | -1.3° | -1.3° | -1.3° | -1.4° | -1.4° | -1.2° | -1.1° | -1° | -0.7° | -0.4° | 0.1° | 0.8° | 1.4° | 1.9° | 2.5° | 2.5° | 2.5° | 3.4° | 5.1° | 5.1° | |||
| 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 | 9 km | 9 km | 2 km | |||
| cloud cover | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 7% | 0% | 2% | 11% | 21% | 17% | 6% | 7% | 24% | 73% | 60% | 94% | 95% | 100% | 100% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.7 | 1.6 | 3 | 4.6 | 5.9 | 6.6 | 6.1 | 5.2 | 3.7 | 2.1 | 0.7 | 0.2 | 0 | 0 | 0 | 0 |
Weather in Ontario tomorrow
The weather in Ontario tomorrow is expected to be much cooler than usual, with a forecast temperature of 12 °C, compared to an average of 18.2 °C for 12th of May in recent years.
temperatures
12 °C
rain
2.6 mm
wind
17 km/h
UV
High
Ontario Tomorrow Weather Indexes for Outdoor Activities & Health
Weather indexes for tomorrow: outdoor activities, pollen allergies, air quality (AQI), UV index and health in Ontario - Tuesday, 12th May 2026
UV Sun Exposure Risk
High
7 / 11+
Air Quality Index (AQI)
Excellent
10 / 10
Pollen Allergy Risk
Very High
10 / 10
Cold & Flu Risk
Very Low
1 / 10
Asthma Risk Index
Low
3 / 10
Arthritis Pain Index
Very Low
1 / 10
Outdoor Activity Index
Excellent
9 / 10
Running & Jogging Index
Excellent
9 / 10
Cycling Weather Index
Excellent
9 / 10
Pet Walking Index
Excellent
10 / 10
Fishing Conditions Index
Excellent
10 / 10
Gardening Weather Index
Excellent
10 / 10
Photography Light Index
Excellent
8 / 10
Driving & Road Safety
Excellent
9 / 10
Construction Work Index
Excellent
8 / 10
Ontario daylight overview ☀️
Tomorrow in Ontario, The sun rises at 05:56 and sets at 20:33, giving a total daylight duration of 14 hours and 37 minutes.
Provinces in Ontario
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Top locations in Ontario
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More Ontario weather pages
What to wear tomorrow in Ontario? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's Ontario forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
Cap/Hat
Scarf
Umbrella
The weather tomorrow in Ontario - FAQ
What is the maximum temperature for tomorrow in Ontario?
The maximum temperature for tomorrow in Ontario is expected to be 12° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Ontario? 🌧️
Yes, there is a 83% chance of rain in Ontario tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed tomorrow in Ontario? 🌀
The wind in Ontario is expected to blow at 17 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Ontario tomorrow?
Given the forecast of 12 °C with a 83% 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 Ontario tomorrow.
What is the sunrise and sunset time for Ontario tomorrow?
The sun is expected to rise at 05:56 and set at 20:33 in Ontario.
How accurate is the weather forecast Ontario tomorrow? ✅
Ontario 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 Ontario?Get accurate weather forecasts for Ontario, located at latitude 43.706 and longitude -79.399. Stay updated with localized weather information tailored for Ontario.
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