S
M
T
W
T
F
S
26
66°
27°
27
67°
33°
28
60°
44°
29
70°
36°
30
73°
35°
1
77°
35°
2
81°
49°
3
83°
39°
4
85°
45°
5
83°
51°
6
78°
51°
7
76°
54°
8
70°
47°
9
77°
51°
10
76°
51°
11
74°
47°
12
76°
45°
13
81°
47°
14
83°
50°
15
82°
49°
16
73°
48°
17
71°
49°
18
72°
48°
19
74°
42°
20
66°
41°
21
68°
47°
22
67°
43°
23
71°
45°
24
76°
50°
25
77°
49°
26
67°
43°
27
67°
44°
28
73°
51°
29
71°
53°
30
74°
49°
31
78°
52°
1
79°
54°
2
80°
53°
3
69°
47°
4
74°
49°
5
78°
47°
6
69°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kittitas
Kittitas's May 2026 forecast shows daily high temperatures ranging from 66° to 83°, with overnight lows between 41° and 54°. The average high for May is 74° with an average low of 48°. 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 Kittitas. See also: June | July | August.
