S
M
T
W
T
F
S
26
55°
39°
27
70°
37°
28
66°
50°
29
59°
48°
30
50°
34°
1
54°
30°
2
46°
36°
3
57°
28°
4
72°
41°
5
73°
59°
6
57°
46°
7
59°
32°
8
61°
34°
9
64°
46°
10
63°
37°
11
63°
32°
12
68°
32°
13
66°
46°
14
46°
43°
15
64°
41°
16
72°
43°
17
84°
57°
18
88°
57°
19
84°
66°
20
74°
49°
21
69°
52°
22
62°
51°
23
59°
55°
24
72°
58°
25
74°
55°
26
77°
59°
27
75°
56°
28
76°
56°
29
77°
55°
30
78°
58°
31
80°
60°
1
75°
51°
2
74°
56°
3
75°
55°
4
73°
53°
5
71°
52°
6
73°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Josephine
Josephine's May 2026 forecast shows daily high temperatures ranging from 59° to 84°, with overnight lows between 49° and 66°. The average high for May is 74° with an average low of 55°. 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 Josephine. See also: June | July | August.