5-day weather forecast Niagara Falls Sep 9, 2026
25°Weather forecast Niagara Falls Wednesday Sep 9, 2026: overcast, temperature from 20 °C to 25 °C.
Precipitation probability 40%. Wind up to 7.69 m/s (gusts 17.53 m/s). Air humidity 50–96%, atmospheric pressure 757–765 mm Hg, UV index up to 5.2.
5 days at a glance — tap a day to open it
Sunrise 06:49
Sunset 19:37
Sunset 19:37
New Moon2% illuminated
Moonrise 04:30 · Moonset 18:48
Moonrise 04:30 · Moonset 18:48
Chart
TableForecast from 20 °C to 25 °C and precipitation
Cloud cover and precipitation probability
Wind speed and direction
Air humidity
Atmospheric pressure
Ultraviolet index
Air quality & pollen
Air quality is available for the first three days only.
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.