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5-day weather forecast Niagara Falls 18-03-2026

Weather forecast Niagara Falls today 18.03.2026: sunny, temperature from -11 °C to 1 °C.

Precipitation probability 65%. Wind up to 5 m/s (gusts 6.69 m/s). Air humidity 36–85%, atmospheric pressure 767–771 mm Hg, UV index up to 3.2.

Sunrise 07:24
Sunset 19:26
Chart
Table
Type of temperature:
°C
°F
Wed, 18 Mar, 2026
TemperaturePrecipitationCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
-9 °C0% 0%69%768 mm HgW 265° 4 (5.86) m/s0
01:00Weather
Clear
-11 °C0% 2%74%768 mm HgW 260° 3.61 (5.25) m/s0
02:00Weather
Clear
-11 °C0% 3%72%768 mm HgWSW 258° 3.11 (4.56) m/s0
03:00Weather
Overcast
-7 °C0% 100%74%768 mm HgWSW 255° 2.61 (3.83) m/s0
04:00Weather
Light freezing rain
-11 °C65% (0.01 mm/hr)75%76%769 mm HgSW 235° 1.89 (2.83) m/s0
05:00Weather
Clear
-10 °C0% 2%85%769 mm HgSW 214° 1.81 (2.67) m/s0
06:00Weather
Clear
-9 °C0% 1%83%769 mm HgS 187° 2 (3.06) m/s0
07:00Weather
Clear
-9 °C0% 6%83%770 mm HgSSE 166° 2.69 (4.19) m/s0
08:00Weather
Sunny
-8 °C0% 3%84%770 mm HgSSE 162° 3.11 (4.64) m/s0.1
09:00Weather
Sunny
-7 °C0% 2%80%770 mm HgS 169° 3.31 (4.5) m/s0.5
10:00Weather
Sunny
-5 °C0% 23%78%771 mm HgS 181° 3.5 (4.53) m/s1.3
11:00Weather
Partly cloudy
-4 °C0% 36%75%770 mm HgS 191° 3.89 (4.83) m/s2.2
12:00Weather
Partly cloudy
-2 °C0% 41%70%770 mm HgSSW 196° 4.31 (5.22) m/s3
13:00Weather
Partly cloudy
-1 °C0% 49%51%770 mm HgSSW 202° 4.89 (6) m/s3.2
14:00Weather
Sunny
0 °C0% 20%43%770 mm HgSSW 204° 5 (6.14) m/s3
15:00Weather
Partly cloudy
1 °C0% 47%38%769 mm HgSSW 203° 5 (6.19) m/s2.7
16:00Weather
Partly cloudy
1 °C0% 59%36%768 mm HgSSW 202° 4.89 (6.28) m/s1.7
17:00Weather
Overcast
1 °C0% 93%37%767 mm HgSSW 206° 4.61 (6.14) m/s0.8
18:00Weather
Overcast
0 °C0% 98%41%767 mm HgSSW 212° 3.81 (5.36) m/s0.3
19:00Weather
Overcast
0 °C0% 98%46%767 mm HgSW 216° 2.61 (3.92) m/s0
20:00Weather
Overcast
0 °C0% 100%52%767 mm HgSSW 204° 2.39 (3.78) m/s0
21:00Weather
Overcast
-1 °C0% 100%56%767 mm HgS 190° 2.89 (4.36) m/s0
22:00Weather
Overcast
0 °C0% 100%59%767 mm HgS 176° 3.69 (5.64) m/s0
23:00Weather
Overcast
0 °C0% 100%58%767 mm HgS 172° 4.31 (6.69) m/s0
Wed, 18 Mar, 2026

Frequently asked questions about the weather in Niagara Falls

Today in Niagara Falls the temperature ranges from -11 °C to 1 °C, wind up to 5 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Niagara Falls today is 65%. 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 5 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 36% to 85%. View the humidity chart above for hourly details.

The UV index in Niagara Falls today reaches up to 3.2. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Niagara Falls today ranges from 767 to 771 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Niagara Falls today reaches up to 100%. Check the cloud cover chart above for hourly details throughout the day.

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

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