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)	4.31	4.31	4.5	4.5	4.69	4.81	4.89	5	5	5.31	5.5	5.69	6.11	6	5.69	5.81	5.69	5.5	5.19	4.89	4.81	4.39	3.81	3.39
Wind gust (m/s)	15	15.33	16	16.42	13.69	12.81	13.89	13	12	14.31	17.22	16.11	15.22	13.72	14.11	13.22	12.69	12.92	13.31	14.11	14.69	13.89	12.92	11.19
Wind direction (°)	SSW 213°	SSW 212°	SSW 210°	SSW 211°	SW 214°	SSW 212°	SSW 210°	SSW 211°	SSW 212°	SSW 213°	SW 215°	SW 216°	SW 214°	SSW 212°	SSW 211°	SSW 208°	SSW 209°	SSW 208°	SSW 207°	SSW 206°	SSW 210°	SW 214°	SW 223°	SW 222°

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 (%)	61	62	61	60	59	58	58	59	59	53	47	42	38	37	37	37	39	42	48	53	58	62	66	70

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)	768	768	768	768	768	768	768	768	768	768	767	767	767	767	766	765	766	766	766	767	767	767	768	768

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	0.5	1.2	2.2	2.9	3.1	2.6	1.8	1	0.3	0	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	2	1.9	1.8	1.7	1.7	1.6	1.7	1.7	1.8	2	2.1	2.2	2.2	2.3	2.3	2.3	2.3	2.3	2.2	2.3	2.3	2.3	2.3
PM10 (µg/m³)	2.5	2.4	2.4	2.2	2.1	2	2	2	2.1	2.1	2.5	2.6	2.7	2.8	2.8	2.8	2.8	2.7	2.8	2.7	2.6	2.6	2.6	2.5
Ozone (O₃) (µg/m³)	67	66	66	67	67	67	67	67	66	65	65	68	72	75	78	80	81	81	80	78	76	73	71	69
NO₂ (µg/m³)	2	2	2	1.9	1.8	1.8	1.8	1.8	1.9	2	2	1.8	1.5	1.3	1.1	1	1	1.1	1.3	1.5	1.7	1.8	2	2.1
SO₂ (µg/m³)	0.9	0.9	0.9	0.9	0.9	0.9	0.9	0.9	1	1.1	1.2	1.3	1.3	1.3	1.3	1.2	1.1	1.1	1	1	1	1	1	1
CO (µg/m³)	120	119	117	115	114	114	116	117	118	118	118	118	117	117	117	116	117	119	122	125	127	129	130	129

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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 Oct 18, 2026

Forecast from 5 °C to 16 °C and precipitation

Cloud cover and precipitation probability

Wind speed and direction