Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	1	1.11	1.11	1.5	1.39	1.31	1.5	1.61	1.89	2.69	3.39	4	4.39	4.61	4.81	4.69	4.31	3.81	2.69	2.31	2.19	1.81	1.69	1.81
Wind gust (m/s)	1.11	1.53	1.42	2.11	2	1.92	1.81	2.11	2.92	4.92	5.89	5.83	5.42	5.42	5.69	5.92	5.89	6	5.72	5.31	5.11	3.5	2.72	2.72
Wind direction (°)	WSW 249°	W 268°	WSW 239°	SW 223°	SSW 211°	SSW 201°	S 191°	S 187°	S 183°	S 185°	SSW 201°	SSW 210°	SW 218°	SW 216°	SW 220°	SW 225°	SW 225°	SW 228°	SW 229°	SW 221°	SW 214°	SSW 213°	SSW 205°	S 188°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	43	42	44	47	50	52	54	58	60	58	59	56	52	52	52	52	52	53	57	61	62	62	62	65

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	774	775	775	775	775	775	776	776	776	776	776	776	776	776	775	775	775	774	774	774	774	774	774	774

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0	3	3	3	4	4	4	4	4	4	4	4	0	0	0	0	0

Air quality & pollen

Air quality
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
PM2.5 (µg/m³)	2.8	2.6	2.6	2.6	2.8	3	3	2.9	2.9	3	3	2.9	2.9	2.8	2.9	3	3.2	3.3	3.5	3.6	3.7	3.8	3.9	4.1
PM10 (µg/m³)	3.2	3	2.9	3	3.2	3.4	3.4	3.3	3.3	3.4	3.4	3.4	3.4	3.4	3.5	3.7	3.9	4	4.1	4.2	4.3	4.4	4.5	4.6
Ozone (O₃) (µg/m³)	56	57	57	57	56	55	55	55	56	58	61	64	67	69	72	75	78	80	79	77	74	71	69	67
NO₂ (µg/m³)	9	8.3	7.8	7.7	7.9	8.2	8.9	9.8	10	8.9	7.1	5.6	4.7	4	3.6	3.4	3.5	3.8	4.5	5.4	6.2	6.6	6.8	6.9
SO₂ (µg/m³)	2.9	2.8	2.8	2.9	3.1	3.2	3.3	3.4	3.4	3.3	3.2	3	2.8	2.5	2.3	2.2	2.1	2.1	2.1	2	2	2	2	2.1
CO (µg/m³)	211	168	137	126	127	132	140	151	158	157	151	145	140	134	131	131	132	135	139	144	148	149	149	148

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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.

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5-day weather forecast Niagara Falls Oct 18, 2026

Forecast from 5 °C to 14 °C and precipitation

Cloud cover and precipitation probability

Wind speed and direction