S
M
T
W
T
F
S
26
63°
30°
27
65°
31°
28
69°
31°
29
72°
34°
30
79°
42°
1
78°
44°
2
77°
46°
3
79°
45°
4
78°
51°
5
78°
42°
6
81°
41°
7
83°
42°
8
79°
40°
9
86°
40°
10
78°
41°
11
84°
41°
12
80°
58°
13
64°
49°
14
71°
46°
15
74°
36°
16
61°
42°
17
63°
32°
18
72°
32°
19
73°
47°
20
75°
49°
21
85°
50°
22
89°
48°
23
88°
50°
24
90°
51°
25
77°
40°
26
68°
42°
27
75°
38°
28
84°
44°
29
85°
42°
30
78°
42°
31
83°
46°
1
85°
47°
2
86°
50°
3
78°
42°
4
72°
43°
5
70°
41°
6
71°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Klamath River
Klamath River's May 2026 forecast shows daily high temperatures ranging from 68° to 90°, with overnight lows between 38° and 51°. The average high for May is 80° with an average low of 44°. 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 Klamath River. See also: June | July | August.
