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)	1.89	2	2.19	2.5	3	3	3.31	3.31	3.39	3	2.81	2.81	2.81	2.81	2.81	2.61	2.19	1.89	1.89	1.39	1.39	1.61	1.81	1.89
Wind gust (m/s)	7.92	8.11	8.5	7.81	8.11	8.61	8.61	8.83	9.22	9.11	8.42	8.03	7.92	6.64	5.61	5.72	5.5	5.11	4.92	3.22	4.61	3.42	4.06	5.5
Wind direction (°)	E 79°	E 84°	E 99°	ENE 64°	ENE 64°	ENE 78°	ENE 69°	ENE 64°	ENE 62°	ENE 66°	ENE 65°	ENE 61°	ENE 63°	ENE 70°	ENE 71°	ENE 71°	E 79°	E 99°	E 93°	E 92°	E 79°	ENE 58°	NE 37°	NNE 31°

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 (%)	99	99	99	99	99	99	99	98	98	98	98	97	97	94	92	90	88	88	87	92	95	96	98	98

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)	767	767	767	766	765	766	765	765	765	765	765	765	764	764	764	764	764	764	764	764	764	764	764	764

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	0.3	0.6	0.7	0.8	1.3	1.5	1.1	0.8	0.4	0.2	0	0	0	0	0

Air quality & pollen

Air quality is available for the first three days only.

← Fri, Sep 18

Sat, Sep 19, 2026

Niagara 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 →