S
M
T
W
T
F
S
29
20°
4°
30
19°
3°
31
21°
6°
1
23°
7°
2
21°
4°
3
25°
8°
4
24°
10°
5
35°
11°
6
29°
18°
7
35°
15°
8
33°
21°
9
35°
22°
10
32°
22°
11
35°
23°
12
31°
24°
13
34°
22°
14
34°
26°
15
32°
24°
16
35°
27°
17
34°
25°
18
33°
26°
19
37°
27°
20
34°
15°
21
37°
19°
22
41°
30°
23
41°
31°
24
42°
27°
25
41°
25°
26
43°
25°
27
41°
24°
28
42°
23°
29
43°
23°
30
44°
27°
1
43°
24°
2
44°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Lake Louise
Lake Louise's April 2026 forecast shows daily high temperatures ranging from 34° to 44°, with overnight lows between 15° and 31°. The average high for April is 41° with an average low of 25°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Lake Louise. See also: May | June | July.
