5-day weather forecast Niagara Sep 17, 2026
22°Weather forecast Niagara Thursday Sep 17, 2026: overcast, temperature from 12 °C to 22 °C.
Precipitation probability 92%. Wind up to 3.5 m/s (gusts 6.61 m/s). Air humidity 48–98%, atmospheric pressure 767–771 mm Hg, UV index up to 4.5.
5 days at a glance — tap a day to open it
Sunrise 06:32
Sunset 19:00
Sunset 19:00
First Quarter42% illuminated
Moonrise 14:21 · Moonset 22:12
Moonrise 14:21 · Moonset 22:12
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 14 °C | 19% | 100% | 72% | 770 mm Hg | WNW 289° 2.11 (3.83) m/s | 0 |
| 01:00 |  Moderate rain | 13 °C | 85% (2.57 mm/hr) | 100% | 93% | 770 mm Hg | WNW 295° 1.61 (3.5) m/s | 0 |
| 02:00 | Moderate rain | 12 °C | 92% (6.2 mm/hr) | 100% | 98% | 769 mm Hg | ENE 68° 0.89 (5.89) m/s | 0 |
| 03:00 |  Light rain | 12 °C | 79% (1.27 mm/hr) | 100% | 98% | 769 mm Hg | NW 320° 1.69 (3) m/s | 0 |
| 04:00 |  Fog | 12 °C | 43% | 100% | 98% | 769 mm Hg | E 84° 0.81 (0.92) m/s | 0 |
| 05:00 | Light rain | 12 °C | 84% (2.24 mm/hr) | 100% | 97% | 768 mm Hg | SSE 157° 1 (1.22) m/s | 0 |
| 06:00 | Fog | 12 °C | 42% | 100% | 98% | 768 mm Hg | SSW 200° 1.31 (3.11) m/s | 0 |
| 07:00 |  Fog | 12 °C | 42% | 100% | 97% | 769 mm Hg | S 184° 1.19 (2.72) m/s | 0 |
| 08:00 |  Mist | 12 °C | 38% | 100% | 95% | 769 mm Hg | S 184° 0.89 (2.11) m/s | 0.3 |
| 09:00 | Overcast | 13 °C | 31% | 100% | 91% | 769 mm Hg | SSW 208° 1.31 (2.33) m/s | 0.7 |
| 10:00 | Overcast | 15 °C | 25% | 100% | 81% | 769 mm Hg | WSW 240° 0.81 (1.39) m/s | 2 |
| 11:00 | Overcast | 17 °C | 18% | 100% | 69% | 769 mm Hg | WNW 284° 1.31 (2.61) m/s | 3.3 |
| 12:00 | Overcast | 19 °C | 15% | 100% | 61% | 768 mm Hg | NW 312° 1.31 (2.42) m/s | 4 |
| 13:00 | Overcast | 21 °C | 13% | 100% | 55% | 768 mm Hg | NW 322° 1.31 (2.5) m/s | 4.5 |
| 14:00 |  Cloudy | 22 °C | 7% | 68% | 51% | 767 mm Hg | NW 320° 1 (2.69) m/s | 3.9 |
| 15:00 | Cloudy | 22 °C | 8% | 76% | 48% | 767 mm Hg | NW 321° 1.61 (3.72) m/s | 3.2 |
| 16:00 | Overcast | 21 °C | 12% | 100% | 52% | 767 mm Hg | NNW 341° 3.5 (3.69) m/s | 1.5 |
| 17:00 | Overcast | 19 °C | 15% | 95% | 64% | 767 mm Hg | N 358° 3.11 (6.5) m/s | 0.4 |
| 18:00 | Overcast | 18 °C | 15% | 90% | 66% | 768 mm Hg | N 10° 3 (6.42) m/s | 0.2 |
| 19:00 |  Partly cloudy | 17 °C | 9% | 27% | 74% | 769 mm Hg | NE 35° 3 (6.61) m/s | 0 |
| 20:00 |  Clear | 15 °C | 12% | 4% | 88% | 770 mm Hg | NE 40° 2.19 (6.31) m/s | 0 |
| 21:00 |  Mist | 14 °C | 39% | 100% | 96% | 770 mm Hg | NNE 28° 1.61 (3.11) m/s | 0 |
| 22:00 | Mist | 13 °C | 28% | 56% | 97% | 770 mm Hg | NNE 30° 1.31 (1.31) m/s | 0 |
| 23:00 | Mist | 12 °C | 36% | 94% | 95% | 771 mm Hg | N 9° 1.61 (2.31) 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.