S
M
T
W
T
F
S
26
60°
40°
27
72°
40°
28
64°
41°
29
67°
49°
30
65°
49°
1
66°
44°
2
63°
49°
3
62°
43°
4
74°
47°
5
85°
64°
6
73°
51°
7
61°
46°
8
65°
51°
9
66°
52°
10
77°
62°
11
68°
51°
12
65°
49°
13
68°
53°
14
70°
58°
15
75°
59°
16
76°
59°
17
75°
57°
18
71°
56°
19
78°
60°
20
78°
61°
21
77°
61°
22
77°
54°
23
73°
53°
24
70°
54°
25
72°
54°
26
73°
56°
27
73°
54°
28
74°
56°
29
73°
55°
30
73°
56°
31
74°
64°
1
80°
63°
2
75°
58°
3
76°
63°
4
80°
65°
5
79°
61°
6
80°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Olney
Olney's May 2026 forecast shows daily high temperatures ranging from 61° to 85°, with overnight lows between 46° and 65°. The average high for May is 74° with an average low of 57°. 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 Olney. See also: June | July | August.
