S
M
T
W
T
F
S
26
66°
38°
27
69°
42°
28
71°
47°
29
75°
46°
30
78°
47°
1
79°
46°
2
82°
54°
3
84°
50°
4
85°
46°
5
81°
48°
6
83°
51°
7
77°
45°
8
77°
41°
9
79°
45°
10
81°
45°
11
82°
48°
12
86°
48°
13
83°
47°
14
83°
48°
15
80°
44°
16
71°
40°
17
69°
40°
18
64°
36°
19
64°
36°
20
65°
37°
21
70°
44°
22
76°
46°
23
69°
39°
24
76°
47°
25
77°
43°
26
73°
44°
27
76°
46°
28
76°
47°
29
77°
46°
30
77°
47°
31
78°
48°
1
79°
48°
2
78°
47°
3
79°
48°
4
77°
44°
5
77°
44°
6
76°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Methow Valley
Methow Valley's May 2026 forecast shows daily high temperatures ranging from 64° to 86°, with overnight lows between 36° and 51°. The average high for May is 77° with an average low of 45°. 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 Methow Valley. See also: June | July | August.
