S
M
T
W
T
F
S
26
49°
30°
27
51°
31°
28
52°
33°
29
60°
29°
30
66°
28°
1
71°
30°
2
72°
36°
3
73°
33°
4
65°
47°
5
59°
33°
6
67°
29°
7
68°
44°
8
70°
38°
9
70°
43°
10
73°
37°
11
74°
41°
12
76°
36°
13
65°
43°
14
58°
45°
15
60°
40°
16
48°
33°
17
53°
32°
18
58°
29°
19
59°
36°
20
58°
32°
21
67°
39°
22
73°
39°
23
77°
45°
24
74°
45°
25
69°
40°
26
61°
38°
27
67°
41°
28
68°
42°
29
66°
40°
30
70°
41°
31
71°
44°
1
65°
38°
2
69°
42°
3
70°
45°
4
71°
44°
5
65°
40°
6
65°
43°
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 58° to 77°, with overnight lows between 32° and 45°. The average high for May is 68° with an average low of 41°. 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.
