5-day weather forecast Niagara Falls 27-08-2026

Weather forecast Niagara Falls Thursday, August 27 27.08.2026: patchy rain possible, temperature from 18 °C to 25 °C.

Precipitation probability 72%. Wind up to 6.69 m/s (gusts 12.86 m/s). Air humidity 60–92%, atmospheric pressure 758–760 mm Hg, UV index up to 6.8.

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MinorAug 23, 01:44 PM — Aug 24, 01:01 AMTranslate with Google

special weather statement in effect

weather

Locally heavy rainfall today. Hazard: Additional local rainfall amounts of 20 to 40 mm. When: Continuing through the afternoon, possibly through the evening. Additional Information: Multiple rounds of showers and thunderstorms are bringing locally heavy rainfall to the area. Water will likely pool on roads and in low-lying areas. Don't drive through flooded roadways. Avoid low-lying areas. Watch for washouts near rivers, creeks and culverts. For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit https://www.ontario.ca/page/floods for the latest details. ### Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on social media using #ONStorm.

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Sunrise 06:35
Sunset 20:00

Full Moon100% illuminated
Moonrise 19:53 · Moonset 06:06

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Table

← Wed, Aug 26

Thu, Aug 27, 2026

Forecast from 18 °C to 25 °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)	20	20	20	19	18	19	19	19	19	19	21	23	24	24	25	25	25	25	24	23	22	21	20	20
Precipitation (mm/hr)	0	0	0.1	0.5	0.52	0.95	0.08	0.55	0	0.02	0.03	0.01	0	0.01	0	0	0	0.04	1.14	0.31	0.03	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 (%)	5	5	70	73	100	100	100	100	100	100	99	83	7	75	5	88	84	72	72	80	73	0	5	10
Rain chance (%)	8	7	22	52	63	72	36	60	26	24	23	15	4	12	4	12	12	13	57	36	23	12	11	12

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)	2.69	2.69	3.19	3.61	3.69	3.89	3.69	4.61	4.5	5.19	6.11	6.69	6.61	6.39	6.19	6.11	5.5	5.39	4.81	4.11	2.81	2.11	1.19	0.89
Wind gust (m/s)	6.94	7.61	8.33	9.11	10.33	10.69	9.39	12.86	12.53	12.42	11.42	10	9.31	9	9.14	8.92	8.72	8.33	8.5	9.31	7.22	6.14	2	1.11
Wind direction (°)	SSE 161°	S 177°	S 180°	S 183°	SSW 194°	SSW 198°	S 183°	SSW 202°	SSW 203°	SSW 208°	SW 214°	SW 222°	SW 225°	SW 227°	SW 232°	WSW 238°	SW 235°	SW 233°	WSW 237°	SW 236°	WSW 257°	WNW 288°	NNW 328°	WNW 303°

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	75	75	86	92	90	88	86	84	78	73	67	65	64	61	60	60	61	68	74	85	86	85	85

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)	760	760	759	759	759	759	758	758	758	758	759	759	759	759	758	758	758	758	758	758	758	759	759	760

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	0.3	1	2.1	4.1	6	6.8	6.5	5.4	3.6	2	0.7	0.2	0	0	0	0

← Wed, Aug 26

Thu, Aug 27, 2026

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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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