5-day weather forecast Niagara Falls 20-07-2026

Weather forecast Niagara Falls today 20.07.2026: sunny, temperature from 13 °C to 30 °C.

Precipitation probability 12%. Wind up to 3.89 m/s (gusts 6.69 m/s). Air humidity 33–87%, atmospheric pressure 757–762 mm Hg, UV index up to 8.2.

Sunrise 05:55
Sunset 20:50

First Quarter43% illuminated
Moonrise 13:14 · Moonset 23:55

Chart

Table

Mon, Jul 20, 2026

Tue, Jul 21 →

Forecast from 13 °C to 30 °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)	17	16	15	15	14	14	13	14	17	19	21	21	27	29	29	30	29	29	28	27	25	23	22	22
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	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	1	0	0	0	0	1	2	0	0	0	4	3	3	2	0	0	0	0	0	0	0
Rain chance (%)	5	8	10	11	10	8	8	12	8	5	2	1	1	1	1	1	1	1	1	1	1	1	3	4

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	1.31	0.69	0.31	0.69	0.89	1	0.61	0.81	0.89	1.61	2.19	2	2.31	2.61	2.89	3.11	3.89	3.89	3.69	3.61	3.61	3.31	3.5
Wind gust (m/s)	2.36	2.53	1.39	0.61	1.39	1.78	1.97	1.03	1.08	1.08	1.83	2.53	2.31	2.64	3	3.33	3.58	4.86	5.33	5.78	6.17	6.69	6.11	6.31
Wind direction (°)	N 358°	N 10°	NNE 24°	SE 139°	S 170°	S 184°	SSE 154°	S 183°	SSW 204°	SSW 212°	SSW 211°	SSW 211°	SW 223°	SSW 211°	SW 221°	SW 217°	SSW 208°	SSW 210°	SW 223°	SSW 204°	SSW 202°	SSW 198°	SSW 196°	S 186°

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 (%)	66	76	83	84	81	76	78	87	76	67	54	57	39	42	43	42	43	40	33	39	40	44	57	63

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)	761	761	761	761	761	761	761	762	762	762	761	761	761	761	761	760	759	759	758	758	758	758	758	757

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	0.9	2.1	3.9	5.8	7.4	8.2	7.5	6.3	4.6	3.1	1.4	0.5	0.1	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)	11.1	11.3	12.6	14.3	15.8	17.2	18.2	20.2	17.5	11.2	6.8	6.3	6.8	7.6	8.8	10.5	13	16.2	19.7	22.2	22.3	20.8	18.7	16.2
PM10 (µg/m³)	11.4	11.5	12.9	14.5	16.1	17.4	18.5	20.4	17.7	11.4	7	6.5	7	7.9	9.1	10.7	13.2	16.5	20	22.5	22.5	21.1	19	16.4
Ozone (O₃) (µg/m³)	74	72	70	66	61	58	57	57	61	70	83	95	104	112	118	124	128	129	126	120	112	102	91	82
NO₂ (µg/m³)	21.9	20.1	19	19.9	21.4	22.2	21.8	20.7	18.8	15.5	11.3	7.9	6	4.8	3.9	2.8	2	2	3.2	5.2	7.2	9.2	11.2	11.9
SO₂ (µg/m³)	4.3	4.3	4.3	4.4	4.6	4.7	4.8	4.8	4.9	5.1	5.4	5.5	5.3	4.8	4.2	3.3	2.3	1.6	1.5	1.8	2.1	2.2	2.3	2.3
CO (µg/m³)	258	238	219	203	187	178	177	183	192	210	232	238	210	167	138	138	153	173	198	228	255	280	303	310

Mon, Jul 20, 2026

Tue, Jul 21 →

Frequently asked questions about the weather in Niagara Falls

Today in Niagara Falls the temperature ranges from 13 °C to 30 °C, wind up to 3.89 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Niagara Falls today is 12%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Niagara Falls today reaches up to 3.89 m/s with gusts up to 6.69 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Niagara Falls today ranges from 33% to 87%. View the humidity chart above for hourly details.

The UV index in Niagara Falls today reaches up to 8.2. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Niagara Falls today ranges from 757 to 762 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Niagara Falls today reaches up to 4%. Check the cloud cover chart above for hourly details throughout the day.

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 →