S
M
T
W
T
F
S
26
55°
35°
27
59°
34°
28
62°
39°
29
66°
37°
30
71°
37°
1
75°
37°
2
78°
45°
3
77°
42°
4
76°
47°
5
72°
48°
6
77°
43°
7
72°
47°
8
69°
49°
9
71°
46°
10
72°
43°
11
73°
46°
12
81°
44°
13
66°
46°
14
60°
43°
15
57°
37°
16
51°
39°
17
59°
36°
18
63°
41°
19
67°
44°
20
68°
40°
21
70°
49°
22
74°
47°
23
79°
47°
24
76°
47°
25
73°
45°
26
59°
42°
27
68°
47°
28
73°
48°
29
71°
46°
30
71°
47°
31
70°
48°
1
73°
47°
2
70°
45°
3
63°
40°
4
67°
44°
5
65°
46°
6
64°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rose Lake
Rose Lake's May 2026 forecast shows daily high temperatures ranging from 59° to 79°, with overnight lows between 40° and 49°. The average high for May is 70° with an average low of 45°. 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 Rose Lake. See also: June | July | August.