S
M
T
W
T
F
S
26
72°
41°
27
58°
45°
28
61°
49°
29
72°
42°
30
82°
46°
1
75°
53°
2
75°
51°
3
91°
53°
4
76°
56°
5
65°
54°
6
67°
55°
7
71°
49°
8
69°
48°
9
79°
54°
10
70°
47°
11
79°
51°
12
84°
52°
13
77°
51°
14
75°
52°
15
69°
51°
16
67°
49°
17
74°
52°
18
73°
50°
19
70°
51°
20
72°
49°
21
66°
51°
22
66°
45°
23
69°
48°
24
74°
49°
25
73°
50°
26
67°
45°
27
67°
46°
28
71°
51°
29
70°
54°
30
73°
54°
31
77°
55°
1
79°
55°
2
78°
51°
3
68°
47°
4
77°
51°
5
77°
48°
6
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Clackamas
Clackamas's May 2026 forecast shows daily high temperatures ranging from 66° to 84°, with overnight lows between 45° and 55°. The average high for May is 73° with an average low of 50°. 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 Clackamas. See also: June | July | August.
