Weather Forecast for Niagara Falls
Ontario, Canada
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Current Weather - Niagara Falls: 11°C
Current Weather - Niagara Falls: 11°C
Ontario, Canada
Overcast
Feels like 10°C
Wind
9 km/h WNW
Humidity
41%
Pressure
1022 mb
UV Index
4
Visibility
16 km
Sunny
Monday, May 11, 2026
High
13°C
Low
4°C
Rain Chance
0%
Hourly Forecast
8°C
7°C
6°C
Day Statistics
Maximum Wind
11 km/h
Humidity
51%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:57 AM
Sunset
08:29 PM
Moonrise
03:09 AM
Moonset
02:33 PM
Moon Phase
Waning Crescent
Moon Illumination
39%
Air Quality
PM2.5
12.1
μg/m³
PM10
12.3
μg/m³
NO₂
20.5
μg/m³
O₃
47.6
μg/m³
SO₂
5.5
μg/m³
CO
219.8
μg/m³
Patchy rain nearby
Tuesday, May 12, 2026
High
12°C
Low
3°C
Rain Chance
85%
Hourly Forecast
5°C
5°C
4°C
4°C
4°C
3°C
4°C
5°C
6°C
7°C
8°C
9°C
10°C
11°C
11°C
11°C
11°C
11°C
10°C
10°C
9°C
8°C
7°C
7°C
Day Statistics
Maximum Wind
15 km/h
Humidity
62%
Precipitation
2 mm
UV Index
7
Visibility
9 km
Rain Chance
85%
Snow Chance
0%
Sun & Moon
Sunrise
05:56 AM
Sunset
08:30 PM
Moonrise
03:30 AM
Moonset
03:44 PM
Moon Phase
Waning Crescent
Moon Illumination
29%
Air Quality
PM2.5
11.7
μg/m³
PM10
11.7
μg/m³
NO₂
18.4
μg/m³
O₃
48.8
μg/m³
SO₂
6
μg/m³
CO
195.5
μg/m³
Moderate rain
Wednesday, May 13, 2026
High
14°C
Low
7°C
Rain Chance
87%
Hourly Forecast
8°C
8°C
9°C
9°C
10°C
10°C
10°C
11°C
11°C
12°C
13°C
13°C
13°C
13°C
12°C
11°C
10°C
10°C
9°C
8°C
8°C
7°C
7°C
7°C
Day Statistics
Maximum Wind
36 km/h
Humidity
88%
Precipitation
14 mm
UV Index
6
Visibility
9 km
Rain Chance
87%
Snow Chance
0%
Sun & Moon
Sunrise
05:55 AM
Sunset
08:31 PM
Moonrise
03:50 AM
Moonset
04:58 PM
Moon Phase
Waning Crescent
Moon Illumination
19%
Air Quality
PM2.5
11.7
μg/m³
PM10
12.1
μg/m³
NO₂
9.4
μg/m³
O₃
83
μg/m³
SO₂
3.6
μg/m³
CO
240.9
μg/m³
Patchy rain nearby
Thursday, May 14, 2026
High
8°C
Low
5°C
Rain Chance
89%
Hourly Forecast
7°C
6°C
6°C
6°C
6°C
6°C
6°C
6°C
6°C
6°C
6°C
7°C
7°C
7°C
7°C
7°C
7°C
8°C
8°C
7°C
7°C
7°C
8°C
8°C
Day Statistics
Maximum Wind
21 km/h
Humidity
90%
Precipitation
2 mm
UV Index
2
Visibility
9 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:54 AM
Sunset
08:32 PM
Moonrise
04:13 AM
Moonset
06:15 PM
Moon Phase
Waning Crescent
Moon Illumination
11%
Air Quality
PM2.5
8.2
μg/m³
PM10
8.2
μg/m³
NO₂
15.4
μg/m³
O₃
55.6
μg/m³
SO₂
4.7
μg/m³
CO
225.7
μg/m³
Patchy rain nearby
Friday, May 15, 2026
High
15°C
Low
7°C
Rain Chance
84%
Hourly Forecast
7°C
8°C
8°C
8°C
8°C
7°C
7°C
8°C
8°C
9°C
10°C
11°C
12°C
13°C
14°C
14°C
14°C
14°C
13°C
12°C
11°C
10°C
10°C
10°C
Day Statistics
Maximum Wind
19 km/h
Humidity
75%
Precipitation
0 mm
UV Index
1
Visibility
10 km
Rain Chance
84%
Snow Chance
0%
Sun & Moon
Sunrise
05:53 AM
Sunset
08:33 PM
Moonrise
04:39 AM
Moonset
07:38 PM
Moon Phase
Waning Crescent
Moon Illumination
5%
Air Quality
PM2.5
11.1
μg/m³
PM10
11.2
μg/m³
NO₂
28.4
μg/m³
O₃
43
μg/m³
SO₂
6.8
μg/m³
CO
202.9
μg/m³
Patchy rain nearby
Saturday, May 16, 2026
High
15°C
Low
8°C
Rain Chance
83%
Hourly Forecast
9°C
9°C
9°C
8°C
8°C
9°C
9°C
10°C
10°C
11°C
12°C
13°C
13°C
14°C
14°C
13°C
13°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
Day Statistics
Maximum Wind
18 km/h
Humidity
86%
Precipitation
0 mm
UV Index
3
Visibility
9 km
Rain Chance
83%
Snow Chance
0%
Sun & Moon
Sunrise
05:52 AM
Sunset
08:34 PM
Moonrise
05:12 AM
Moonset
09:02 PM
Moon Phase
New Moon
Moon Illumination
1%
Partly Cloudy
Sunday, May 17, 2026
High
19°C
Low
9°C
Rain Chance
0%
Hourly Forecast
12°C
12°C
11°C
11°C
10°C
10°C
10°C
10°C
12°C
14°C
16°C
18°C
18°C
18°C
18°C
18°C
18°C
17°C
16°C
15°C
15°C
14°C
14°C
14°C
Day Statistics
Maximum Wind
31 km/h
Humidity
80%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:51 AM
Sunset
08:35 PM
Moonrise
05:55 AM
Moonset
10:22 PM
Moon Phase
Waxing Crescent
Moon Illumination
0%
Solar Radiation Data
Shortwave Radiation
707.64
Diffuse Radiation
271.1
DNI
1747.74
GTI
799.51
Weather Alerts
Frost Advisory issued May 11 at 1:23PM EDT until May 12 at 9:00AM EDT by NWS Buffalo NY
* WHAT...Temperatures around 30 will result in frost formation. * WHERE...Niagara, Orleans, Monroe, Wayne, Northern Cayuga, and Ontario Counties. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left unprotected.
Take steps now to protect tender plants from the cold.
Freeze Warning issued May 11 at 1:23PM EDT until May 12 at 9:00AM EDT by NWS Buffalo NY
* WHAT...Sub-freezing temperatures in the upper 20s expected. * WHERE...Erie, Genesee, Wyoming, Livingston, Chautauqua, Cattaraugus, and Allegany Counties. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above-ground pipes to protect them from freezing.
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