5-day weather forecast Niagara Falls Sep 12, 2026

12°12–26° · Clear

Weather forecast Niagara Falls today Sep 12, 2026: overcast, temperature from 12 °C to 26 °C.

Precipitation probability 25%. Wind up to 4.61 m/s (gusts 10.89 m/s). Air humidity 53–85%, atmospheric pressure 760–763 mm Hg, UV index up to 5.8.

Sunrise 06:52
Sunset 19:32
New Moon3% illuminated
Moonrise 08:29 · Moonset 19:58
Chart
Table
Sat, Sep 12, 2026

Forecast from 12 °C to 26 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)131312121212121517182023242625242423232222222222
Precipitation (mm/hr)000000000000000000.010.0100000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)00000029999100614181100100100100100100100100100100100
Rain chance (%)77899101118171475101213151518212425242423

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)22.112.111.891.691.691.811.811.892.192.613.113.693.693.693.313.313.194.194.1144.194.54.61
Wind gust (m/s)3.53.834.113.251.921.692.112.113.814.335.195.6165.816.537.117.448.318.699.53109.7210.1110.89
Wind direction (°)SE 132°SE 126°SE 126°SE 140°SSE 148°SSE 154°SSE 159°SSE 154°SSE 157°S 173°S 185°SSW 196°SSW 199°SSW 198°SSW 205°SSW 207°SW 224°SW 223°SW 217°SSW 208°SSW 205°SSW 211°SW 217°SSW 213°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)737477798083857066595556555357626168758082818079

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)763763763763762762762762762762761761761761760760760760760760760760760760

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index000000000.312.23.64.25.65.84.72.81.60.600000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)10.810.510.39.58.57.56.66.36.26.36.16.36.97.17.37.37.26.36.365.75.55.55.2
PM10 (µg/m³)10.910.610.49.78.67.66.86.46.46.56.36.67.27.57.67.67.56.66.56.25.85.65.55.3
Ozone (O₃) (µg/m³)797877757269645958637383961101191211181121039183828486
NO₂ (µg/m³)16.314.312.510.89.58.58.38.58.37.364.83.72.72.22.43.24.25.97.898.87.76.7
SO₂ (µg/m³)3.632.52.11.81.51.31.21.21.21.31.31.31.41.41.41.41.41.51.71.92.12.32.4
CO (µg/m³)243253253230197173167170171167162157153149147150155159161161158150139132
Sat, Sep 12, 2026

Frequently asked questions about the 5-day weather in Niagara Falls

What will the weather be like in Niagara Falls over the next 5 days?

Over the next 5 days in Niagara Falls the temperature is expected to range from about 12 to 27 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

On which of the next 5 days will it rain in Niagara Falls?

The chance of rain in Niagara Falls over the next 5 days reaches 50%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.

How accurate is the 5-day weather forecast for Niagara Falls?

A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.

Which of the next 5 days in Niagara Falls will be the warmest and which the coolest?

Over the next 5 days the temperature in Niagara Falls ranges from about 12 to 27 °C. Compare the warmest and coolest day on the temperature chart above.

Will it be windy in Niagara Falls over the next 5 days?

Over the next 5 days the wind in Niagara Falls picks up to 7 m/s. The windiest days are easy to spot on the wind chart above.

Which day of the week in Niagara Falls is best for a walk or a trip?

For a walk or a trip, pick the days with the lowest chance of rain (up to 50%) and light wind — easy to compare on the 5-day charts above.

How can I best use the 5-day forecast for Niagara Falls?

The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.

Will I need an umbrella or sunscreen in Niagara Falls this week?

Rain reaches a 50% chance across the next 5 days, so pack something waterproof for the wettest of them — the daily strip above shows which. Today’s UV index peaks at 5.8; sunscreen is worth it from about 3 upwards.

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.