5-day weather forecast Niagara Falls 21-03-2026
Weather forecast Niagara Falls Saturday 21 March 21.03.2026: overcast, temperature from 2 °C to 5 °C.
Precipitation probability 100%. Wind up to 2.81 m/s (gusts 5.58 m/s). Air humidity 82–98%, atmospheric pressure 752–763 mm Hg, UV index up to 2.8.
Sunrise 07:24
Sunset 19:26
Sunset 19:26
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Thundery outbreaks possible | 5 °C | 100% (1.3 mm/hr) | 100% | 95% | 752 mm Hg | SW 215° 1.5 (2.56) m/s | 0 |
| 01:00 | Thundery outbreaks possible | 5 °C | 100% (1.95 mm/hr) | 100% | 97% | 752 mm Hg | SW 215° 1.11 (1.89) m/s | 0 |
| 02:00 |  Moderate rain | 4 °C | 100% (2.61 mm/hr) | 100% | 98% | 752 mm Hg | S 179° 2.19 (3.86) m/s | 0 |
| 03:00 |  Overcast | 3 °C | 0% | 90% | 90% | 763 mm Hg | S 173° 2.19 (3.81) m/s | 0 |
| 04:00 | Overcast | 3 °C | 0% | 97% | 90% | 763 mm Hg | S 176° 2 (3.44) m/s | 0 |
| 05:00 | Overcast | 2 °C | 0% | 99% | 89% | 763 mm Hg | SSE 168° 1.89 (3.31) m/s | 0 |
| 06:00 | Overcast | 2 °C | 0% | 96% | 88% | 762 mm Hg | SE 142° 2 (3.5) m/s | 0 |
| 07:00 | Overcast | 2 °C | 0% | 100% | 88% | 762 mm Hg | SE 125° 1.5 (2.64) m/s | 0 |
| 08:00 |  Overcast | 3 °C | 0% | 100% | 87% | 762 mm Hg | E 101° 1.89 (3.28) m/s | 0 |
| 09:00 | Overcast | 3 °C | 0% | 100% | 86% | 762 mm Hg | ESE 105° 2.19 (3.64) m/s | 0.2 |
| 10:00 | Overcast | 3 °C | 0% | 100% | 85% | 762 mm Hg | E 91° 1.39 (2.22) m/s | 0.6 |
| 11:00 |  Patchy rain possible | 4 °C | 72% (0.01 mm/hr) | 100% | 84% | 762 mm Hg | ENE 77° 1.69 (2.64) m/s | 1.1 |
| 12:00 | Patchy rain possible | 4 °C | 79% (0.01 mm/hr) | 100% | 85% | 762 mm Hg | E 100° 1.61 (2.53) m/s | 1.7 |
| 13:00 | Overcast | 4 °C | 0% | 100% | 82% | 761 mm Hg | E 99° 1.5 (2.25) m/s | 2.8 |
| 14:00 | Patchy rain possible | 5 °C | 60% (0.02 mm/hr) | 100% | 83% | 761 mm Hg | E 99° 1.69 (2.61) m/s | 2.8 |
| 15:00 | Patchy rain possible | 5 °C | 60% (0.01 mm/hr) | 100% | 84% | 761 mm Hg | ENE 78° 1.69 (2.67) m/s | 2 |
| 16:00 | Overcast | 5 °C | 0% | 100% | 86% | 761 mm Hg | ENE 72° 2 (3.25) m/s | 1.3 |
| 17:00 | Patchy rain possible | 5 °C | 62% (0.01 mm/hr) | 100% | 88% | 761 mm Hg | ENE 75° 2.5 (4.14) m/s | 0.7 |
| 18:00 | Overcast | 5 °C | 0% | 100% | 89% | 761 mm Hg | E 83° 2.61 (4.36) m/s | 0.3 |
| 19:00 | Overcast | 5 °C | 0% | 94% | 92% | 760 mm Hg | E 96° 2.5 (4.47) m/s | 0 |
| 20:00 | Overcast | 4 °C | 0% | 93% | 93% | 760 mm Hg | ESE 106° 2.5 (4.83) m/s | 0 |
| 21:00 |  Partly cloudy | 4 °C | 0% | 49% | 92% | 758 mm Hg | SSW 196° 2.61 (4.83) m/s | 0 |
| 22:00 |  Clear | 5 °C | 0% | 19% | 92% | 757 mm Hg | SSW 198° 2.81 (5.58) m/s | 0 |
| 23:00 | Thundery outbreaks possible | 4 °C | 0% | 100% | 93% | 753 mm Hg | SSE 158° 1.81 (3.78) 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.