5-day weather forecast Toronto Sep 17, 2026
21°Weather forecast Toronto Thursday Sep 17, 2026: patchy rain possible, temperature from 16 °C to 21 °C.
Precipitation probability 33%. Wind up to 3.31 m/s (gusts 5.42 m/s). Air humidity 50–77%, atmospheric pressure 766–769 mm Hg, UV index up to 6.
5 days at a glance — tap a day to open it
Sunrise 06:59
Sunset 19:24
Sunset 19:24
First Quarter42% illuminated
Moonrise 14:34 · Moonset 22:47
Moonrise 14:34 · Moonset 22:47
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 19 °C | 12% | 100% | 50% | 769 mm Hg | NNE 19° 1.31 (2.61) m/s | 0 |
| 01:00 | Overcast | 19 °C | 12% | 99% | 51% | 769 mm Hg | NNE 23° 1.19 (2.03) m/s | 0 |
| 02:00 |  Partly cloudy | 18 °C | 6% | 54% | 54% | 769 mm Hg | N 1° 1.39 (1.53) m/s | 0 |
| 03:00 | Overcast | 18 °C | 14% | 100% | 56% | 768 mm Hg | NNE 12° 1 (1.11) m/s | 0 |
| 04:00 | Overcast | 18 °C | 13% | 100% | 54% | 767 mm Hg | NNE 21° 1.31 (2.33) m/s | 0 |
| 05:00 |  Patchy rain possible | 18 °C | 13% (0.01 mm/hr) | 100% | 54% | 767 mm Hg | NE 36° 1.19 (2.22) m/s | 0 |
| 06:00 |  Light rain shower | 18 °C | 25% (0.16 mm/hr) | 100% | 59% | 767 mm Hg | N 356° 1.39 (2.11) m/s | 0 |
| 07:00 | Patchy rain possible | 17 °C | 30% (0.12 mm/hr) | 100% | 74% | 767 mm Hg | N 8° 1.89 (3.53) m/s | 0 |
| 08:00 | Patchy rain possible | 16 °C | 33% (0.13 mm/hr) | 100% | 77% | 767 mm Hg | N 5° 2.19 (4.22) m/s | 0 |
| 09:00 |  Overcast | 16 °C | 19% | 100% | 72% | 767 mm Hg | N 358° 2.69 (4.31) m/s | 4 |
| 10:00 | Patchy rain possible | 16 °C | 22% (0.02 mm/hr) | 100% | 73% | 767 mm Hg | N 353° 3.31 (5.42) m/s | 4 |
| 11:00 | Patchy rain possible | 16 °C | 23% (0.02 mm/hr) | 100% | 77% | 767 mm Hg | NNE 22° 1.69 (3.11) m/s | 4 |
| 12:00 | Patchy rain possible | 18 °C | 19% (0.01 mm/hr) | 100% | 70% | 767 mm Hg | NNE 17° 1.31 (1.92) m/s | 4 |
| 13:00 | Patchy rain possible | 19 °C | 18% (0.01 mm/hr) | 100% | 67% | 767 mm Hg | N 353° 2.11 (2.5) m/s | 4 |
| 14:00 | Patchy rain possible | 18 °C | 17% (0.01 mm/hr) | 100% | 66% | 767 mm Hg | N 357° 1.89 (2.53) m/s | 4 |
| 15:00 | Overcast | 19 °C | 15% | 98% | 62% | 767 mm Hg | NNE 21° 1.11 (1.39) m/s | 4 |
| 16:00 |  Cloudy | 20 °C | 11% | 79% | 59% | 766 mm Hg | N 351° 0.39 (0.83) m/s | 5 |
| 17:00 |  Sunny | 21 °C | 3% | 0% | 58% | 766 mm Hg | WNW 298° 0.61 (1.42) m/s | 6 |
| 18:00 | Sunny | 21 °C | 3% | 2% | 59% | 766 mm Hg | NW 312° 0.89 (2) m/s | 6 |
| 19:00 |  Partly cloudy | 20 °C | 8% | 47% | 65% | 766 mm Hg | E 87° 0.61 (0.72) m/s | 5 |
| 20:00 |  Cloudy | 19 °C | 12% | 69% | 67% | 767 mm Hg | E 98° 0.81 (0.83) m/s | 0 |
| 21:00 |  Clear | 19 °C | 7% | 22% | 69% | 767 mm Hg | NNE 24° 0.89 (1.31) m/s | 0 |
| 22:00 | Clear | 18 °C | 7% | 20% | 69% | 767 mm Hg | N 351° 1.69 (3.11) m/s | 0 |
| 23:00 | Clear | 17 °C | 4% | 3% | 62% | 767 mm Hg | NNW 336° 1.81 (3.5) m/s | 0 |
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Data Sources & Methodology
Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.