Banff Cs Alta (Canada) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: -5° Celsius; Minimum nighttime temperature: -10° Celsius;
Maximum daytime temperature: -5° Celsius; Minimum nighttime temperature: -10° Celsius; -
Maximum daytime temperature: -5° Celsius; Minimum nighttime temperature: -21° Celsius;
Maximum daytime temperature: -5° Celsius; Minimum nighttime temperature: -21° Celsius;
-
Maximum daytime temperature: -4° Celsius; Minimum nighttime temperature: -16° Celsius;
Maximum daytime temperature: -4° Celsius; Minimum nighttime temperature: -16° Celsius; -
Maximum daytime temperature: -2° Celsius; Minimum nighttime temperature: -14° Celsius;
Maximum daytime temperature: -2° Celsius; Minimum nighttime temperature: -14° Celsius;
-
Maximum daytime temperature: -2° Celsius; Minimum nighttime temperature: -17° Celsius;
Maximum daytime temperature: -2° Celsius; Minimum nighttime temperature: -17° Celsius;
-
Maximum daytime temperature: -2° Celsius; Minimum nighttime temperature: -16° Celsius;
Maximum daytime temperature: -2° Celsius; Minimum nighttime temperature: -16° Celsius; -
Maximum daytime temperature: -2° Celsius; Minimum nighttime temperature: -16° Celsius;
Maximum daytime temperature: -2° Celsius; Minimum nighttime temperature: -16° Celsius;
Cloudy.
Sunrise:
Sunset:
L UV
No pollution data.
No pollen data.
7 day forecast for Banff Cs Alta
Today (18 December 2025)
| Time |
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
 |
|
 |
| Chance of precipitation |
<5%
|
10%
|
10%
|
10%
|
<5%
|
30%
|
| Temperature |
-7°
|
-6°
|
-9°
|
-7°
|
-7°
|
-7°
|
| Feels like temperature (°C) |
-10°
|
-9°
|
-12°
|
-10°
|
-9°
|
-10°
|
| Wind direction and speed |
WSW
3
|
WSW
3
|
WSW
3
|
WSW
3
|
WSW
3
|
WSW
3
|
| Wind gust (mph) |
10
|
10
|
8
|
8
|
7
|
7
|
| Visibility |
G
|
G
|
M
|
M
|
M
|
M
|
| Humidity |
99%
|
98%
|
104%
|
101%
|
99%
|
100%
|
| UV | - | - | - | - | - | - |
Friday (19 December 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
 |
|
|
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
70%
|
20%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
-6°
|
-6°
|
-4°
|
-5°
|
-6°
|
-7°
|
-7°
|
-8°
|
-8°
|
-8°
|
-6°
|
-5°
|
-6°
|
-5°
|
-5°
|
-6°
|
-7°
|
-9°
|
-9°
|
-8°
|
-10°
|
-12°
|
-13°
|
-15°
|
| Feels like temperature (°C) |
-9°
|
-9°
|
-9°
|
-10°
|
-12°
|
-13°
|
-12°
|
-13°
|
-13°
|
-14°
|
-11°
|
-12°
|
-12°
|
-12°
|
-12°
|
-12°
|
-13°
|
-15°
|
-14°
|
-14°
|
-16°
|
-18°
|
-19°
|
-21°
|
| Wind direction and speed (mph) |
WSW
3
|
W
4
|
WSW
9
|
WSW
10
|
WSW
10
|
WSW
10
|
WSW
8
|
WSW
8
|
WSW
7
|
WSW
7
|
W
9
|
W
10
|
W
11
|
W
13
|
W
12
|
W
12
|
W
10
|
W
8
|
W
8
|
W
8
|
W
8
|
WSW
7
|
WSW
6
|
WSW
5
|
| Wind gust (mph) |
13
|
15
|
36
|
38
|
38
|
35
|
32
|
31
|
27
|
30
|
34
|
39
|
42
|
41
|
39
|
36
|
32
|
29
|
28
|
27
|
25
|
22
|
21
|
21
|
| Visibility (description) |
P
|
M
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
101%
|
99%
|
78%
|
72%
|
75%
|
79%
|
78%
|
83%
|
82%
|
83%
|
66%
|
55%
|
52%
|
48%
|
52%
|
55%
|
62%
|
68%
|
67%
|
67%
|
69%
|
77%
|
80%
|
90%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - |
Saturday (20 December 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
10%
|
20%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
| Temperature (°C) |
-16°
|
-16°
|
-17°
|
-18°
|
-18°
|
-19°
|
-19°
|
-17°
|
-17°
|
-17°
|
-14°
|
-12°
|
-9°
|
-7°
|
-6°
|
-4°
|
-7°
|
-11°
|
-11°
|
-11°
|
-12°
|
-11°
|
-11°
|
-13°
|
| Feels like temperature (°C) |
-22°
|
-22°
|
-23°
|
-23°
|
-23°
|
-24°
|
-25°
|
-23°
|
-23°
|
-23°
|
-19°
|
-15°
|
-12°
|
-9°
|
-8°
|
-7°
|
-11°
|
-15°
|
-15°
|
-15°
|
-16°
|
-15°
|
-15°
|
-17°
|
| Wind direction and speed (mph) |
WSW
5
|
WSW
5
|
WSW
5
|
WSW
5
|
WSW
5
|
WSW
5
|
WSW
4
|
WSW
5
|
WSW
5
|
WSW
5
|
WSW
4
|
WSW
3
|
WSW
3
|
SW
3
|
SW
3
|
SW
4
|
SW
5
|
SW
4
|
SW
4
|
SW
4
|
SW
4
|
WSW
4
|
WSW
4
|
WSW
4
|
| Wind gust (mph) |
20
|
18
|
15
|
16
|
13
|
12
|
11
|
10
|
10
|
10
|
9
|
9
|
9
|
11
|
12
|
16
|
20
|
17
|
16
|
14
|
12
|
12
|
12
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
| Humidity |
97%
|
96%
|
99%
|
101%
|
102%
|
105%
|
108%
|
106%
|
108%
|
109%
|
104%
|
101%
|
96%
|
87%
|
76%
|
68%
|
77%
|
89%
|
93%
|
98%
|
101%
|
100%
|
101%
|
106%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - |
Sunday (21 December 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
| Temperature (°C) |
-12°
|
-12°
|
-10°
|
-11°
|
-11°
|
-12°
|
-12°
|
-14°
|
-16°
|
-15°
|
-12°
|
-9°
|
-6°
|
-4°
|
-3°
|
-2°
|
-6°
|
-10°
|
-10°
|
-11°
|
-11°
|
-12°
|
-13°
|
-10°
|
| Feels like temperature (°C) |
-16°
|
-16°
|
-14°
|
-15°
|
-14°
|
-16°
|
-15°
|
-18°
|
-21°
|
-20°
|
-15°
|
-12°
|
-8°
|
-6°
|
-4°
|
-4°
|
-8°
|
-13°
|
-14°
|
-15°
|
-15°
|
-16°
|
-16°
|
-13°
|
| Wind direction and speed (mph) |
WSW
4
|
WSW
4
|
WSW
4
|
WSW
4
|
WSW
4
|
WSW
4
|
WSW
4
|
WSW
4
|
WSW
5
|
WSW
4
|
WSW
4
|
WSW
3
|
SW
3
|
SW
3
|
SW
2
|
SSW
2
|
SSW
3
|
SW
3
|
SW
3
|
SW
4
|
SW
4
|
WSW
4
|
WSW
3
|
WSW
3
|
| Wind gust (mph) |
10
|
9
|
10
|
9
|
9
|
9
|
9
|
9
|
8
|
8
|
8
|
8
|
7
|
8
|
8
|
7
|
7
|
6
|
8
|
8
|
7
|
7
|
7
|
7
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
104%
|
104%
|
101%
|
101%
|
101%
|
105%
|
103%
|
109%
|
114%
|
112%
|
104%
|
100%
|
95%
|
86%
|
78%
|
76%
|
95%
|
107%
|
109%
|
111%
|
109%
|
108%
|
109%
|
103%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - |
Monday (22 December 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
-11°
|
-10°
|
-9°
|
-10°
|
-10°
|
-10°
|
-10°
|
-12°
|
-12°
|
-13°
|
-9°
|
-7°
|
-5°
|
-3°
|
-2°
|
-2°
|
-6°
|
-9°
|
-12°
|
-12°
|
-14°
|
-15°
|
-14°
|
-15°
|
| Feels like temperature (°C) |
-14°
|
-14°
|
-13°
|
-14°
|
-14°
|
-14°
|
-15°
|
-17°
|
-16°
|
-18°
|
-13°
|
-9°
|
-7°
|
-5°
|
-4°
|
-4°
|
-9°
|
-12°
|
-15°
|
-17°
|
-19°
|
-20°
|
-20°
|
-21°
|
| Wind direction and speed (mph) |
SW
3
|
WSW
3
|
WSW
4
|
WSW
4
|
WSW
4
|
WSW
5
|
WSW
5
|
WSW
5
|
WSW
4
|
WSW
4
|
WSW
4
|
WSW
3
|
SW
3
|
SW
2
|
SW
2
|
SW
2
|
SW
3
|
SW
3
|
SW
3
|
WSW
4
|
WSW
5
|
WSW
5
|
WSW
5
|
WSW
5
|
| Wind gust (mph) |
7
|
8
|
8
|
9
|
10
|
10
|
10
|
10
|
10
|
10
|
10
|
10
|
9
|
8
|
9
|
8
|
8
|
7
|
7
|
8
|
9
|
9
|
9
|
10
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
P
|
M
|
G
|
M
|
| Humidity |
104%
|
103%
|
103%
|
104%
|
104%
|
103%
|
104%
|
108%
|
104%
|
107%
|
100%
|
97%
|
91%
|
86%
|
80%
|
77%
|
92%
|
99%
|
108%
|
111%
|
113%
|
113%
|
113%
|
114%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - |
Tuesday (23 December 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
| Temperature (°C) |
-15°
|
-15°
|
-15°
|
-14°
|
-15°
|
-14°
|
-14°
|
-14°
|
-13°
|
-13°
|
-9°
|
-7°
|
-5°
|
-3°
|
-2°
|
-2°
|
-5°
|
-9°
|
-12°
|
-12°
|
| Feels like temperature (°C) |
-21°
|
-20°
|
-20°
|
-20°
|
-20°
|
-20°
|
-19°
|
-19°
|
-18°
|
-18°
|
-13°
|
-10°
|
-7°
|
-4°
|
-4°
|
-3°
|
-8°
|
-12°
|
-17°
|
-17°
|
| Wind direction and speed (mph) |
WSW
5
|
WSW
5
|
WSW
5
|
WSW
5
|
WSW
5
|
WSW
5
|
WSW
5
|
W
5
|
WSW
5
|
WSW
5
|
WSW
4
|
WSW
4
|
WSW
3
|
SW
3
|
SW
3
|
SW
2
|
SW
3
|
SW
3
|
WSW
5
|
WSW
5
|
| Wind gust (mph) |
10
|
10
|
10
|
10
|
10
|
11
|
10
|
10
|
10
|
10
|
10
|
9
|
8
|
9
|
10
|
8
|
10
|
10
|
11
|
10
|
| Visibility (description) |
P
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
M
|
G
|
| Humidity |
114%
|
113%
|
112%
|
111%
|
112%
|
111%
|
111%
|
108%
|
104%
|
104%
|
102%
|
99%
|
94%
|
86%
|
78%
|
76%
|
94%
|
105%
|
112%
|
109%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - |
Wednesday (24 December 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
20%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
-14°
|
-15°
|
-14°
|
-8°
|
-3°
|
-7°
|
-9°
|
-11°
|
| Feels like temperature (°C) |
-19°
|
-20°
|
-19°
|
-11°
|
-5°
|
-10°
|
-14°
|
-16°
|
| Wind direction and speed (mph) |
W
5
|
W
5
|
W
5
|
W
4
|
WSW
3
|
WSW
4
|
WSW
5
|
WSW
5
|
| Wind gust (mph) |
10
|
11
|
11
|
10
|
9
|
10
|
12
|
12
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
G
|
G
|
G
|
| Humidity |
111%
|
108%
|
105%
|
98%
|
85%
|
101%
|
105%
|
109%
|
| UV | - | - | 1 | 1 | 1 | - | - | - |
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Forecast for 6pm (UTC-7) Thursday
Updated 18:22 (UTC) on Thu 18 Dec 2025
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