World Resorts Canada Niagara-on-the-Lake Weather

Niagara-on-the-Lake 7 Days Forecast

17.05
sun
Day
82°F
NE 3 mph
Precip.
0%
Night
63°F
NE 4 mph
Precip.
0%
18.05
mon
Day
68°F
NE 16 mph
Precip.
0%
Night
64°F
NE 14 mph
Precip.
0%
19.05
tue
Day
68°F
NE 19 mph
Precip.
0%
Night
63°F
NE 16 mph
Precip.
60%
20.05
wed
Day
52°F
E 9 mph
Precip.
0%
Night
46°F
S 9 mph
Precip.
0%
21.05
thu
Day
48°F
SW 15 mph
Precip.
0%
Night
45°F
W 11 mph
Precip.
0%
22.05
fri
Day
55°F
NW 6 mph
Precip.
100%
Night
54°F
E 8 mph
Precip.
0%
23.05
sat
Day
54°F
E 6 mph
Precip.
0%
Night
52°F
NE 3 mph
Precip.
0%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 44.3°F. The highest and lowest sea temperatures during the month were 47.7°F and 41.0°F.

Air temperature in Niagara-on-the-Lake, °F

Precipitation total in Niagara-on-the-Lake, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Niagara-on-the-Lake

Sunniest months:
September 14 days
August 12 days
July 12 days
Warmest months:
July 78.2 °F
August 77.0 °F
June 72.6 °F
Warmest sea temp:
August 74.1 °F
July 73.2 °F
September 69.6 °F
Coldest months:
January 29.2 °F
February 30.1 °F
December 35.9 °F
Rainiest months:
July 3 days
October 2 days
April 2 days
Windiest months:
January 11.9 mph
February 11.9 mph
December 11.8 mph

Niagara-on-the-Lake on a weather map

Current weather
15:56
Niagara-on-the-Lake
+84°F
NE 5 mph
Feels like: +88°F
Precip.: 0%
Places in Canada:
Name
°F
Bonavista
+46°F
Vancouver
+61°F
Victoria
+63°F
Winnipeg
+57°F
Halifax
+75°F
Quebec
+64°F
Les Iles-de-la-Madeleine
+46°F
Montreal
+75°F
Prince Edward Island
+63°F
Ottawa
+77°F
Saint John
+73°F
Sydney
+61°F
Thunder Bay
+52°F
Toronto
+84°F
Tofino
+55°F
all places
24 Hours Forecast
Niagara-on-the-Lake
Local time: 15:56
May 17, sunday
1800
81°F
NE
2 mph
2100
72°F
NW
6 mph
May 18, monday
0000
63°F
NE
4 mph
0300
57°F
NE
4 mph
0600
57°F
NE
11 mph
0900
61°F
NE
11 mph
1200
68°F
NE
16 mph
1500
72°F
NE
17 mph
Units of measurement: °C / °F