S
M
T
W
T
F
S
26
33°
24°
27
43°
23°
28
51°
27°
29
53°
28°
30
57°
29°
1
71°
31°
2
64°
36°
3
71°
36°
4
49°
31°
5
45°
26°
6
66°
24°
7
61°
40°
8
72°
46°
9
60°
39°
10
76°
49°
11
75°
41°
12
75°
43°
13
73°
49°
14
75°
45°
15
74°
46°
16
71°
43°
17
68°
42°
18
69°
45°
19
70°
46°
20
76°
44°
21
60°
41°
22
62°
44°
23
60°
37°
24
66°
42°
25
68°
43°
26
71°
45°
27
72°
46°
28
71°
46°
29
66°
43°
30
71°
47°
31
70°
47°
1
73°
48°
2
74°
48°
3
71°
42°
4
62°
38°
5
64°
42°
6
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Harlowton
Harlowton's May 2026 forecast shows daily high temperatures ranging from 60° to 76°, with overnight lows between 37° and 49°. The average high for May is 69° with an average low of 44°. 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 Harlowton. See also: June | July | August.
