S
M
T
W
T
F
S
26
82°
54°
27
68°
59°
28
68°
57°
29
65°
49°
30
63°
42°
1
59°
46°
2
58°
41°
3
68°
38°
4
76°
55°
5
69°
46°
6
61°
46°
7
64°
47°
8
71°
53°
9
76°
56°
10
64°
45°
11
70°
45°
12
66°
51°
13
65°
46°
14
69°
54°
15
73°
56°
16
75°
55°
17
76°
56°
18
78°
61°
19
80°
60°
20
76°
55°
21
69°
51°
22
70°
52°
23
72°
53°
24
72°
56°
25
73°
56°
26
73°
53°
27
74°
56°
28
74°
54°
29
75°
57°
30
79°
59°
31
80°
60°
1
80°
62°
2
79°
59°
3
82°
63°
4
83°
64°
5
83°
64°
6
82°
65°
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 64° to 83°, with overnight lows between 45° and 65°. The average high for May is 74° with an average low of 56°. 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.
