S
M
T
W
T
F
S
26
58°
40°
27
58°
40°
28
59°
39°
29
57°
39°
30
60°
40°
1
59°
42°
2
55°
39°
3
56°
40°
4
55°
39°
5
56°
40°
6
56°
40°
7
57°
39°
8
56°
40°
9
56°
44°
10
57°
44°
11
57°
43°
12
60°
45°
13
63°
45°
14
64°
44°
15
63°
48°
16
64°
47°
17
65°
48°
18
65°
48°
19
64°
47°
20
62°
45°
21
60°
46°
22
59°
45°
23
59°
47°
24
60°
48°
25
60°
49°
26
61°
48°
27
62°
50°
28
62°
48°
29
63°
49°
30
62°
49°
31
62°
46°
1
64°
51°
2
66°
51°
3
64°
45°
4
63°
45°
5
64°
46°
6
65°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Henley-On-Thames
Henley-On-Thames's May 2026 forecast shows daily high temperatures ranging from 55° to 66°, with overnight lows between 39° and 51°. The average high for May is 60° with an average low of 45°. 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 Henley-On-Thames. See also: June | July | August.
