Weather forecast Niagara Falls 21-09-2025

Weather Sunday 21 September temperature from 11 °C to 27 °C, cloud cover up to 90%, no precipitation, wind up to 7.69 m/s (gusts up to 12.64 m/s), air humidity from 58% to 85%, atmospheric pressure from 762 to 768 mm Hg, UV Index to 5.6 during the day. Forecast for the next days on the chart.