S
M
T
W
T
F
S
26
64°
52°
27
64°
49°
28
71°
51°
29
74°
53°
30
74°
55°
1
75°
56°
2
77°
57°
3
64°
54°
4
64°
49°
5
62°
49°
6
72°
54°
7
79°
55°
8
81°
54°
9
80°
58°
10
81°
57°
11
80°
57°
12
79°
56°
13
81°
59°
14
84°
58°
15
80°
58°
16
76°
57°
17
77°
55°
18
80°
59°
19
81°
58°
20
81°
59°
21
80°
60°
22
81°
60°
23
82°
59°
24
82°
60°
25
81°
60°
26
81°
59°
27
80°
60°
28
75°
58°
29
73°
57°
30
74°
57°
31
75°
60°
1
76°
61°
2
79°
60°
3
79°
60°
4
78°
59°
5
77°
58°
6
76°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in La Crescenta-Montrose
La Crescenta-Montrose's May 2026 forecast shows daily high temperatures ranging from 62° to 84°, with overnight lows between 49° and 61°. The average high for May is 78° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in La Crescenta-Montrose. See also: June | July | August.
