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)	2.69	2.81	2.61	2.39	2.61	2.81	3	3.19	3.31	4	4.69	5	5.19	5.5	5.61	5.61	4.19	3.39	5.19	5.5	4.11	4.11	4.11	4
Wind gust (m/s)	9.53	9.61	8.03	7.11	7.81	8.81	9.11	9.19	10.11	9.69	9.36	9.03	8.72	9	9.5	9.89	10.19	9.11	10.42	13	12	11.53	10.39	8.81
Wind direction (°)	NNE 24°	NNE 30°	NNE 24°	N 8°	N 5°	N 4°	N 3°	N 0°	N 11°	NNE 14°	N 11°	NNE 16°	NNE 19°	NNE 20°	NNE 19°	NNE 30°	NE 36°	NE 45°	NE 55°	NE 53°	NE 49°	NE 41°	NE 34°	NE 34°

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 (%)	65	68	73	76	77	78	76	75	71	64	59	56	50	44	39	36	40	46	65	81	91	91	91	90

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)	763	763	762	762	762	762	761	761	761	761	761	761	761	761	761	760	760	760	761	761	761	761	761	761

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	0.1	0.7	1.7	3.1	4.4	5	4.8	1.9	0.6	0.7	0.1	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	1.5	1.3	1.2	1.1	1.1	1.1	1.1	1.2	1.4	1.5	1.6	1.7	1.7	1.9	1.9	2	2	2.2	2.6	2.9	3.3	3.9	4.3
PM10 (µg/m³)	2	1.5	1.3	1.2	1.1	1.1	1.1	1.1	1.2	1.4	1.5	1.6	1.7	1.8	1.9	2	2.1	2.1	2.4	2.7	3.1	3.8	4.8	5.5
Ozone (O₃) (µg/m³)	54	56	57	57	57	57	57	58	59	62	65	69	73	77	80	81	81	81	80	78	76	76	76	76
NO₂ (µg/m³)	8.5	6.2	4.5	3.9	3.9	4	4.2	4.6	4.7	4.4	3.8	3.3	2.8	2.3	2	1.9	2	2.3	3.2	4.4	5.1	4.7	3.9	3.3
SO₂ (µg/m³)	1.9	1.4	1	0.9	1.1	1.2	1.3	1.5	1.6	1.7	1.8	1.8	1.8	1.8	1.7	1.6	1.5	1.4	1.4	1.3	1.3	1.3	1.2	1.2
CO (µg/m³)	121	119	118	117	116	117	119	123	125	124	121	120	121	123	124	124	123	125	131	139	144	141	135	130

← Sat, Sep 26

Sun, Sep 27, 2026

Mon, Sep 28 →

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.

Learn more about our methodology →