05.19
tue
tue
DAY
80°F
NE 17 mph
precip
0%
0%
NIGHT
66°F
NE 17 mph
precip
100%
100%
05.20
wed
wed
DAY
58°F
SE 10 mph
precip
0%
0%
NIGHT
48°F
S 6 mph
precip
0%
0%
05.21
thu
thu
DAY
52°F
SW 11 mph
precip
0%
0%
NIGHT
44°F
W 4 mph
precip
0%
0%
05.22
fri
fri
DAY
58°F
W 12 mph
precip
0%
0%
NIGHT
54°F
W 8 mph
precip
0%
0%
05.23
sat
sat
DAY
52°F
W 12 mph
precip
100%
100%
NIGHT
52°F
W 11 mph
precip
100%
100%
05.24
sun
sun
DAY
56°F
NW 7 mph
precip
87%
87%
NIGHT
56°F
N 8 mph
precip
0%
0%
05.25
mon
mon
DAY
62°F
N 4 mph
precip
100%
100%
NIGHT
60°F
N 8 mph
precip
100%
100%
05.26
tue
tue
DAY
70°F
NE 12 mph
precip
48%
48%
NIGHT
66°F
N 7 mph
precip
27%
27%
05.27
wed
wed
DAY
70°F
NE 15 mph
precip
47%
47%
NIGHT
62°F
E 6 mph
precip
0%
0%
05.28
thu
thu
DAY
62°F
SE 7 mph
precip
0%
0%
NIGHT
52°F
S 6 mph
precip
0%
0%
05.29
fri
fri
DAY
56°F
SW 12 mph
precip
0%
0%
NIGHT
48°F
SW 4 mph
precip
0%
0%
05.30
sat
sat
DAY
60°F
SW 12 mph
precip
0%
0%
NIGHT
58°F
W 7 mph
precip
21%
21%
05.31
sun
sun
DAY
58°F
W 8 mph
precip
85%
85%
NIGHT
52°F
SW 6 mph
precip
100%
100%
06.01
mon
mon
DAY
54°F
E 7 mph
precip
100%
100%
NIGHT
50°F
SE 12 mph
precip
100%
100%
Sea water
temperature
temperature
| Niagara Falls |
Weather in
May
May
| Niagara Falls |
7 day weather
forecast
forecast
| Niagara Falls |
10 day weather
forecast
forecast
| Niagara Falls |
14 day weather
forecast
forecast
| Niagara Falls |
Monthly weather
averages
averages
| Niagara Falls |
Current Weather
Conditions
Conditions
| Niagara Falls |
When is the Best
Time to Visit?
Time to Visit?
| Niagara Falls |
Niagara Falls Sea Water Temperature in May, °F
The average sea surface temperature in May 2026 for Niagara Falls was 46.4°F. The maximum and minimum values were 42.4°F and 52.6°F respectively.
Niagara Falls on the Weather Map
Canada Resorts:
NAME
F°
| Bonavista |  |
+38 |
| Halifax |  |
+52 |
| Les Iles-de-la-Madeleine | |
+44 |
| Montreal |  |
+74 |
| Ottawa | |
+74 |
| Prince Edward Island | |
+52 |
| Quebec | |
+52 |
| Saint John | |
+48 |
| Sydney |  |
+42 |
| Thunder Bay | |
+40 |
| Tofino | |
+52 |
| Toronto | |
+72 |
| Vancouver | |
+52 |
| Victoria | |
+50 |
| Winnipeg | |
+40 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Niagara Falls
Local time: 09:20
19 may, tuesday
| 1200 | |
80°F | NE 17 mph |
| 1500 | |
88°F | NE 17 mph |
| 1800 | |
76°F | NE 16 mph |
| 2100 | |
68°F | NE 15 mph |
20 may, wednesday
| 0000 | |
66°F | NE 17 mph |
| 0300 | |
64°F | NE 15 mph |
| 0600 | |
56°F | SE 9 mph |
| 0900 | |
54°F | SE 8 mph |