5-day weather forecast Niagara 21-07-2026
Weather forecast Niagara Tuesday, July 21 21.07.2026: patchy rain possible, temperature from 12 °C to 22 °C.
Precipitation probability 43%. Wind up to 6.5 m/s (gusts 7.94 m/s). Air humidity 55–99%, atmospheric pressure 750–762 mm Hg, UV index up to 6.
Sunrise 05:23
Sunset 20:33
Sunset 20:33
First Quarter53% illuminated
Moonrise 14:11 · Moonset 23:49
Moonrise 14:11 · Moonset 23:49
Chart
Table
Tue, Jul 21, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Fog | 19 °C | 43% | 100% | 99% | 751 mm Hg | SW 216° 2.69 (5.67) m/s | 0 |
| 01:00 |  Clear | 19 °C | 14% | 9% | 91% | 751 mm Hg | WNW 296° 3.31 (6.92) m/s | 0 |
| 02:00 | Clear | 17 °C | 17% | 21% | 93% | 751 mm Hg | WNW 294° 2.89 (6.08) m/s | 0 |
| 03:00 |  Mist | 17 °C | 20% | 15% | 94% | 751 mm Hg | W 273° 2.39 (5.03) m/s | 0 |
| 04:00 | Mist | 17 °C | 22% | 26% | 95% | 750 mm Hg | W 281° 2.31 (4.83) m/s | 0 |
| 05:00 | Mist | 16 °C | 22% | 26% | 95% | 750 mm Hg | WNW 287° 2.81 (5.89) m/s | 0 |
| 06:00 |  Partly cloudy | 16 °C | 18% | 29% | 94% | 750 mm Hg | WNW 282° 2.69 (5.67) m/s | 0.1 |
| 07:00 | Partly cloudy | 18 °C | 18% | 47% | 89% | 751 mm Hg | WNW 287° 3.61 (6.81) m/s | 0.3 |
| 08:00 | Partly cloudy | 21 °C | 7% | 32% | 68% | 751 mm Hg | NW 308° 5 (6.53) m/s | 6 |
| 09:00 |  Patchy rain possible | 22 °C | 10% (0.01 mm/hr) | 78% | 56% | 751 mm Hg | NW 316° 6 (6.89) m/s | 5 |
| 10:00 | Patchy rain possible | 22 °C | 17% (0.06 mm/hr) | 51% | 55% | 752 mm Hg | NW 318° 6.39 (7.36) m/s | 5 |
| 11:00 | Patchy rain possible | 19 °C | 21% (0.1 mm/hr) | 76% | 68% | 752 mm Hg | NW 314° 5.69 (6.56) m/s | 4 |
| 12:00 | Patchy rain possible | 18 °C | 29% (0.13 mm/hr) | 82% | 78% | 753 mm Hg | NW 313° 6 (7.11) m/s | 4 |
| 13:00 |  Light rain shower | 18 °C | 35% (0.19 mm/hr) | 100% | 76% | 754 mm Hg | NW 316° 6.5 (7.83) m/s | 4 |
| 14:00 | Patchy rain possible | 16 °C | 31% (0.1 mm/hr) | 100% | 76% | 755 mm Hg | NW 324° 6.39 (7.61) m/s | 4 |
| 15:00 | Light rain shower | 15 °C | 31% (0.1 mm/hr) | 100% | 76% | 756 mm Hg | NNW 333° 6.19 (7.31) m/s | 3 |
| 16:00 | Patchy rain possible | 13 °C | 22% (0.01 mm/hr) | 100% | 76% | 758 mm Hg | NNW 341° 6.11 (7.03) m/s | 3 |
| 17:00 |  Overcast | 12 °C | 21% | 100% | 76% | 758 mm Hg | NNW 343° 6.19 (7.31) m/s | 3 |
| 18:00 | Patchy rain possible | 12 °C | 21% | 100% | 75% | 760 mm Hg | NNW 344° 6.39 (7.61) m/s | 3 |
| 19:00 | Overcast | 12 °C | 21% | 100% | 75% | 761 mm Hg | NNW 346° 6.5 (7.94) m/s | 3 |
| 20:00 |  Sunny | 12 °C | 13% | 69% | 71% | 761 mm Hg | NNW 347° 6 (7.81) m/s | 4 |
| 21:00 |  Overcast | 12 °C | 8% | 38% | 68% | 761 mm Hg | NNW 347° 5.39 (7.69) m/s | 0 |
| 22:00 | Clear | 12 °C | 5% | 7% | 64% | 762 mm Hg | NNW 348° 4.89 (7.64) m/s | 0 |
| 23:00 | Clear | 12 °C | 4% | 6% | 62% | 762 mm Hg | NNW 342° 4.19 (6.81) m/s | 0 |
Tue, Jul 21, 2026
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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.