S
M
T
W
T
F
S
29
67°
26°
30
73°
58°
31
82°
65°
1
80°
53°
2
85°
51°
3
84°
61°
4
85°
52°
5
59°
35°
6
56°
36°
7
51°
28°
8
65°
40°
9
72°
43°
10
77°
48°
11
79°
53°
12
74°
48°
13
68°
47°
14
72°
49°
15
67°
44°
16
66°
39°
17
59°
33°
18
60°
36°
19
64°
44°
20
71°
46°
21
72°
46°
22
73°
47°
23
73°
47°
24
72°
48°
25
74°
48°
26
74°
41°
27
69°
36°
28
60°
37°
29
62°
47°
30
63°
44°
1
63°
39°
2
64°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Petroleum
Petroleum's April 2026 forecast shows daily high temperatures ranging from 51° to 85°, with overnight lows between 28° and 61°. The average high for April is 68° with an average low of 43°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Petroleum. See also: May | June | July.