5-day weather forecast Niagara 17-07-2026

Weather forecast Niagara tomorrow 17.07.2026: sunny, temperature from 17 °C to 32 °C.

Precipitation probability 42%. Wind up to 4.69 m/s (gusts 6.83 m/s). Air humidity 42–93%, atmospheric pressure 756–764 mm Hg, UV index up to 4.3.

Sunrise 05:18
Sunset 20:37

Waxing Crescent15% illuminated
Moonrise 09:04 · Moonset 22:28

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Table

← Thu, Jul 16

Fri, Jul 17, 2026

Sat, Jul 18 →

Forecast from 17 °C to 32 °C and precipitation

Temperature & Precipitation
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
Temperature (°C)	19	18	18	17	17	17	17	18	21	21	22	24	28	30	31	32	32	28	28	28	23	22	22	22
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0.26	0.31	0.37	0.37	0	0	0	0	0	0	0	0.13	0.13	0	0	0

Cloud cover and precipitation probability

Cloud cover & Rain chance
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
Cloud cover (%)	0	0	0	0	0	0	0	10	72	81	83	84	45	22	45	30	46	27	15	82	72	20	11	10
Rain chance (%)	7	9	10	11	12	12	12	6	23	38	42	36	5	2	4	2	4	5	5	22	32	16	15	13

Wind speed and direction

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)	1.19	1.39	1.61	1.31	1.39	1.11	1.61	1.61	2.19	2.11	2.31	2.39	3	3.11	3.61	3.89	4.69	4.61	4.19	3.5	1.11	1.89	2.61	2.39
Wind gust (m/s)	2.53	2.94	3.36	2.72	2.94	2.31	3.36	3.03	2.75	2.75	3.03	3.25	4.06	4.19	4.14	4.5	5.42	6.83	6.14	5.5	2.31	4	5.47	5.03
Wind direction (°)	SE 125°	SSE 157°	S 184°	S 171°	SSE 162°	SE 143°	SSE 154°	SSE 168°	S 181°	S 185°	S 185°	S 173°	S 171°	S 181°	S 186°	S 178°	S 179°	S 178°	S 181°	SSW 206°	S 189°	S 185°	SSW 202°	SW 220°

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 (%)	76	80	83	86	86	86	87	70	58	78	78	65	52	46	44	42	42	58	64	67	87	92	93	89

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)	764	764	764	764	764	764	763	763	763	763	763	762	761	760	760	759	758	758	758	758	757	757	757	756

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	0.1	0.2	0.5	0.8	2.4	3.2	3.4	4.3	3.3	2.1	0.6	0.4	0.2	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)	26.3	24.4	22.8	21	19.4	18.3	17.9	17.2	22.5	37.3	37.7	29.3	19.5	12.9	9.5	7.5	6.2	5.2	5.2	5.5	6.4	5.5	5.4	5.3
PM10 (µg/m³)	26.6	24.7	23.1	21.2	19.7	18.6	18.2	17.4	22.7	37.6	38.1	29.8	20	13.4	10.1	8	6.7	5.7	5.8	6.1	6.8	5.8	5.8	5.7
Ozone (O₃) (µg/m³)	99	91	84	79	75	69	63	67	89	120	141	142	132	124	121	119	117	114	111	107	102	95	90	86
NO₂ (µg/m³)	2.6	2.9	3.1	3.2	3.2	3	2.7	2.3	1.8	1.3	0.9	0.6	0.5	0.4	0.4	0.4	0.5	0.6	0.7	0.9	1.2	1.5	1.7	1.8
SO₂ (µg/m³)	1.4	1.2	1	0.9	0.8	0.7	0.5	0.6	1.1	1.8	2.2	1.9	1.2	0.7	0.5	0.5	0.5	0.5	0.4	0.4	0.4	0.3	0.3	0.3
CO (µg/m³)	178	179	179	179	178	174	169	164	159	155	152	153	156	158	158	156	152	144	133	127	128	134	138	140

← Thu, Jul 16

Fri, Jul 17, 2026

Sat, Jul 18 →

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.

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