S
M
T
W
T
F
S
26
72°
43°
27
61°
41°
28
61°
44°
29
68°
37°
30
68°
41°
1
68°
45°
2
81°
47°
3
82°
45°
4
84°
51°
5
83°
47°
6
65°
44°
7
70°
51°
8
62°
45°
9
67°
46°
10
71°
48°
11
69°
46°
12
70°
44°
13
69°
46°
14
70°
45°
15
72°
46°
16
72°
46°
17
70°
47°
18
68°
42°
19
63°
39°
20
64°
40°
21
71°
46°
22
71°
46°
23
70°
43°
24
72°
46°
25
72°
43°
26
71°
45°
27
73°
47°
28
75°
48°
29
74°
49°
30
75°
48°
31
76°
49°
1
76°
49°
2
75°
48°
3
75°
47°
4
74°
46°
5
74°
44°
6
71°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Phillips Arm
Phillips Arm's May 2026 forecast shows daily high temperatures ranging from 62° to 83°, with overnight lows between 39° and 51°. The average high for May is 71° with an average low of 46°. 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 Phillips Arm. See also: June | July | August.