S
M
T
W
T
F
S
26
54°
29°
27
57°
23°
28
63°
24°
29
67°
25°
30
71°
32°
1
76°
34°
2
73°
41°
3
72°
44°
4
77°
43°
5
74°
46°
6
77°
45°
7
77°
45°
8
73°
35°
9
73°
38°
10
81°
39°
11
83°
40°
12
80°
41°
13
83°
41°
14
81°
40°
15
75°
36°
16
66°
33°
17
69°
34°
18
60°
29°
19
61°
29°
20
67°
35°
21
72°
39°
22
71°
37°
23
68°
35°
24
72°
39°
25
71°
38°
26
70°
37°
27
73°
40°
28
73°
40°
29
72°
39°
30
74°
40°
31
75°
41°
1
75°
41°
2
74°
40°
3
75°
40°
4
74°
37°
5
73°
38°
6
71°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fort Klamath
Fort Klamath's May 2026 forecast shows daily high temperatures ranging from 60° to 83°, with overnight lows between 29° and 46°. The average high for May is 73° with an average low of 39°. 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 Fort Klamath. See also: June | July | August.
