5-day weather forecast Niagara Falls 21-03-2026
Weather forecast Niagara Falls tomorrow 21.03.2026: overcast, temperature from 1 °C to 3 °C.
Precipitation probability 79%. Wind up to 4.61 m/s (gusts 6.75 m/s). Air humidity 78–99%, atmospheric pressure 757–764 mm Hg, UV index up to 4.5.
Sunrise 07:20
Sunset 19:28
Sunset 19:28
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Mist | 3 °C | 0% | 100% | 96% | 758 mm Hg | NNE 21° 3.39 (4.86) m/s | 0 |
| 01:00 |  Fog | 2 °C | 0% | 100% | 99% | 759 mm Hg | N 10° 2.69 (3.92) m/s | 0 |
| 02:00 | Fog | 2 °C | 0% | 100% | 98% | 759 mm Hg | N 4° 2.5 (3.67) m/s | 0 |
| 03:00 |  Overcast | 1 °C | 0% | 100% | 98% | 761 mm Hg | NNW 337° 1.61 (2.36) m/s | 0 |
| 04:00 | Overcast | 1 °C | 0% | 100% | 98% | 761 mm Hg | NNW 341° 1.61 (2.47) m/s | 0 |
| 05:00 | Overcast | 1 °C | 0% | 100% | 97% | 761 mm Hg | NNW 333° 3 (4.42) m/s | 0 |
| 06:00 | Mist | 0 °C | 0% | 100% | 96% | 761 mm Hg | NNW 333° 3.61 (5.39) m/s | 0 |
| 07:00 | Mist | 0 °C | 0% | 100% | 95% | 762 mm Hg | NNW 330° 2.89 (4.33) m/s | 0 |
| 08:00 |  Overcast | 0 °C | 0% | 99% | 93% | 763 mm Hg | NW 324° 2.31 (3.39) m/s | 0.1 |
| 09:00 |  Mist | 1 °C | 0% | 54% | 94% | 763 mm Hg | NNW 328° 2.31 (3.22) m/s | 0.4 |
| 10:00 | Overcast | 2 °C | 0% | 98% | 85% | 764 mm Hg | NNW 336° 2.89 (3.89) m/s | 1.5 |
| 11:00 | Overcast | 2 °C | 0% | 89% | 82% | 764 mm Hg | NNW 343° 2.11 (2.75) m/s | 2.7 |
| 12:00 | Overcast | 2 °C | 0% | 92% | 82% | 763 mm Hg | N 351° 0.69 (0.81) m/s | 3.9 |
| 13:00 | Overcast | 3 °C | 0% | 100% | 82% | 763 mm Hg | WNW 288° 0.81 (0.92) m/s | 4.5 |
| 14:00 |  Cloudy | 3 °C | 0% | 80% | 82% | 763 mm Hg | W 280° 0.89 (1.03) m/s | 4.3 |
| 15:00 | Cloudy | 3 °C | 0% | 77% | 82% | 762 mm Hg | WSW 254° 1.11 (1.28) m/s | 3.4 |
| 16:00 | Cloudy | 3 °C | 0% | 76% | 82% | 762 mm Hg | WNW 284° 0.5 (0.61) m/s | 2 |
| 17:00 | Cloudy | 3 °C | 0% | 74% | 82% | 761 mm Hg | ENE 61° 0.89 (1.17) m/s | 1 |
| 18:00 | Cloudy | 3 °C | 0% | 87% | 87% | 761 mm Hg | ENE 58° 2 (2.81) m/s | 0.4 |
| 19:00 | Cloudy | 2 °C | 0% | 94% | 90% | 761 mm Hg | ENE 61° 3.5 (5.11) m/s | 0 |
| 20:00 | Overcast | 2 °C | 0% | 100% | 92% | 761 mm Hg | ENE 65° 4.31 (6.28) m/s | 0 |
| 21:00 | Overcast | 2 °C | 0% | 99% | 93% | 760 mm Hg | ENE 72° 4.31 (6.33) m/s | 0 |
| 22:00 | Overcast | 3 °C | 0% | 99% | 94% | 759 mm Hg | E 79° 4.61 (6.75) m/s | 0 |
| 23:00 |  Patchy rain possible | 3 °C | 79% (0.02 mm/hr) | 84% | 78% | 757 mm Hg | ENE 74° 4.19 (6.14) m/s | 0 |
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.