5-day weather forecast Niagara Falls 20-05-2026
Weather forecast Niagara Falls today 20.05.2026: light rain shower, temperature from 9 °C to 18 °C.
Precipitation probability 100%. Wind up to 7.81 m/s (gusts 14.92 m/s). Air humidity 50–99%, atmospheric pressure 759–769 mm Hg, UV index up to 7.9.
Sunset 20:38
Moonrise 09:17 · Moonset 00:27
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Light rain shower | 18 °C | 100% (1.35 mm/hr) | 58% | 96% | 760 mm Hg | SW 227° 7.81 (14.92) m/s | 0 |
| 01:00 | Light rain shower | 18 °C | 100% (1.12 mm/hr) | 77% | 98% | 759 mm Hg | SW 229° 6.61 (12.5) m/s | 0 |
| 02:00 | Light rain shower | 17 °C | 100% (2.09 mm/hr) | 100% | 99% | 759 mm Hg | WSW 239° 6.61 (12.86) m/s | 0 |
| 03:00 | Light rain shower | 17 °C | 100% (1.48 mm/hr) | 100% | 98% | 760 mm Hg | SW 236° 6.61 (11.86) m/s | 0 |
| 04:00 | Light rain shower | 16 °C | 100% (1.51 mm/hr) | 100% | 99% | 761 mm Hg | W 263° 4.5 (8.25) m/s | 0 |
| 05:00 | Light rain shower | 14 °C | 100% (0.4 mm/hr) | 100% | 98% | 761 mm Hg | NNW 331° 4.11 (7.06) m/s | 0 |
| 06:00 |  Patchy rain possible | 13 °C | 100% (0.09 mm/hr) | 100% | 95% | 762 mm Hg | NNW 332° 3.89 (6.5) m/s | 0 |
| 07:00 |  Light rain shower | 12 °C | 100% (0.23 mm/hr) | 100% | 93% | 764 mm Hg | NW 318° 3.69 (6.22) m/s | 0 |
| 08:00 | Light rain shower | 12 °C | 100% (0.18 mm/hr) | 100% | 92% | 764 mm Hg | NW 308° 3.31 (5.39) m/s | 0.2 |
| 09:00 | Patchy rain possible | 11 °C | 81% (0.01 mm/hr) | 92% | 87% | 765 mm Hg | WNW 303° 3.81 (6.03) m/s | 0.3 |
| 10:00 |  Partly cloudy | 12 °C | 0% | 47% | 78% | 765 mm Hg | NW 307° 4.39 (6.36) m/s | 0.5 |
| 11:00 |  Sunny | 13 °C | 0% | 7% | 67% | 766 mm Hg | WNW 303° 4.61 (5.83) m/s | 0.6 |
| 12:00 | Sunny | 14 °C | 0% | 2% | 60% | 766 mm Hg | WNW 301° 4.5 (5.53) m/s | 1.2 |
| 13:00 | Sunny | 14 °C | 0% | 3% | 56% | 766 mm Hg | WNW 294° 4 (4.97) m/s | 4.8 |
| 14:00 | Sunny | 15 °C | 0% | 14% | 53% | 766 mm Hg | WNW 289° 4.39 (5.72) m/s | 7.9 |
| 15:00 | Sunny | 15 °C | 0% | 22% | 51% | 766 mm Hg | WNW 293° 4.61 (6.36) m/s | 6.9 |
| 16:00 | Partly cloudy | 15 °C | 0% | 32% | 50% | 766 mm Hg | WNW 299° 4.81 (6.92) m/s | 5 |
| 17:00 | Partly cloudy | 14 °C | 0% | 32% | 51% | 767 mm Hg | NW 312° 4.5 (6.67) m/s | 3.1 |
| 18:00 | Partly cloudy | 14 °C | 0% | 48% | 55% | 767 mm Hg | NW 325° 3.5 (5.28) m/s | 1.5 |
| 19:00 | Sunny | 12 °C | 0% | 20% | 60% | 767 mm Hg | NNW 335° 3.11 (4.97) m/s | 0.6 |
| 20:00 | Partly cloudy | 11 °C | 0% | 57% | 64% | 767 mm Hg | N 352° 3.31 (5.61) m/s | 0.1 |
| 21:00 |  Overcast | 11 °C | 0% | 100% | 61% | 767 mm Hg | N 359° 3.81 (6.47) m/s | 0 |
| 22:00 |  Cloudy | 10 °C | 0% | 71% | 59% | 768 mm Hg | N 356° 3.81 (6.47) m/s | 0 |
| 23:00 |  Clear | 9 °C | 0% | 3% | 60% | 769 mm Hg | N 355° 2.89 (5.14) m/s | 0 |
Frequently asked questions about the weather in Niagara Falls
Today in Niagara Falls the temperature ranges from 9 °C to 18 °C, wind up to 7.81 m/s. Check the detailed hourly forecast above for more information.
The precipitation probability in Niagara Falls today is 100%. View the full multi-day forecast above to see the rain chances for each upcoming day.
The wind speed in Niagara Falls today reaches up to 7.81 m/s with gusts up to 14.92 m/s. Check the detailed wind chart above for hourly wind data.
The air humidity in Niagara Falls today ranges from 50% to 99%. View the humidity chart above for hourly details.
The UV index in Niagara Falls today reaches up to 7.9. Check the UV index chart above for hourly values throughout the day.
The atmospheric pressure in Niagara Falls today ranges from 759 to 769 mm Hg. View the pressure chart above for hourly readings.
Cloud cover in Niagara Falls today reaches up to 100%. Check the cloud cover chart above for hourly details throughout the day.
Niagara Falls on the map
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.