S
M
T
W
T
F
S
26
68°
51°
27
64°
48°
28
64°
49°
29
65°
46°
30
63°
45°
1
65°
49°
2
66°
47°
3
65°
46°
4
66°
50°
5
75°
56°
6
76°
56°
7
72°
55°
8
76°
58°
9
78°
59°
10
78°
57°
11
70°
50°
12
66°
51°
13
68°
55°
14
68°
53°
15
69°
54°
16
69°
55°
17
67°
54°
18
79°
52°
19
71°
51°
20
74°
52°
21
71°
51°
22
71°
50°
23
72°
52°
24
72°
52°
25
70°
54°
26
72°
56°
27
73°
54°
28
74°
56°
29
74°
63°
30
81°
56°
31
82°
55°
1
74°
60°
2
79°
59°
3
83°
56°
4
77°
60°
5
82°
57°
6
76°
56°
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 63° to 83°, with overnight lows between 45° and 63°. The average high for May is 72° with an average low of 53°. 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.
