S
M
T
W
T
F
S
26
52°
34°
27
48°
33°
28
41°
33°
29
60°
35°
30
62°
42°
1
64°
43°
2
70°
47°
3
73°
54°
4
69°
49°
5
65°
45°
6
57°
41°
7
55°
37°
8
49°
39°
9
65°
39°
10
53°
40°
11
66°
40°
12
70°
46°
13
51°
35°
14
43°
34°
15
37°
32°
16
36°
30°
17
39°
30°
18
52°
35°
19
49°
37°
20
59°
40°
21
66°
43°
22
67°
46°
23
60°
44°
24
64°
43°
25
53°
38°
26
46°
37°
27
65°
41°
28
73°
50°
29
-100°
-100°
30
53°
30°
31
60°
32°
1
65°
41°
2
72°
44°
3
64°
37°
4
60°
35°
5
59°
34°
6
53°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Northwest Yakima
Northwest Yakima's May 2026 forecast shows daily high temperatures ranging from 53° to 72°, with overnight lows between 30° and 44°. The average high for May is 61° with an average low of 36°. 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 Northwest Yakima. See also: June | July | August.