26.08
wed
wed
Day
63°F
NW 19 mph
Precip.
12%
12%
Night
63°F
NW 9 mph
Precip.
16%
16%
27.08
thu
thu
Day
70°F
SW 6 mph
Precip.
17%
17%
Night
64°F
SW 8 mph
Precip.
20%
20%
28.08
fri
fri
Day
72°F
N 9 mph
Precip.
4%
4%
Night
59°F
S 12 mph
Precip.
30%
30%
29.08
sat
sat
Day
46°F
NE 9 mph
Precip.
28%
28%
Night
45°F
S 11 mph
Precip.
9%
9%
30.08
sun
sun
Day
52°F
E 7 mph
Precip.
18%
18%
Night
46°F
E 5 mph
Precip.
21%
21%
31.08
mon
mon
Day
52°F
NE 4 mph
Precip.
13%
13%
Night
52°F
NW 10 mph
Precip.
13%
13%
01.09
tue
tue
Day
61°F
NW 14 mph
Precip.
13%
13%
Night
55°F
NW 4 mph
Precip.
42%
42%
sea water
temperature
temperature
| Yellowknife |
monthly
weather
weather
| Yellowknife |
current
weather
weather
| Yellowknife |
14 days
forecast
forecast
| Yellowknife |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 55.1°F. The highest and lowest sea temperatures during the month were 61.5°F and 52.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 57.4°F. The highest and lowest sea temperatures during the month were 63.3°F and 53.1°F.
Air temperature in Yellowknife, °F
Precipitation total in Yellowknife, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Yellowknife
Yellowknife on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Yellowknife
Local time: 10:21
August 26, wednesday
1200
63°F
NW
19 mph
19 mph
1500
66°F
NW
17 mph
17 mph
1800
72°F
NW
13 mph
13 mph
2100
68°F
NW
9 mph
9 mph
August 27, thursday
0000
63°F
NW
9 mph
9 mph
0300
61°F
E
4 mph
4 mph
0600
61°F
SW
3 mph
3 mph
0900
61°F
SW
4 mph
4 mph
