S
M
T
W
T
F
S
26
73°
45°
27
73°
45°
28
63°
50°
29
68°
54°
30
68°
50°
1
73°
45°
2
75°
52°
3
66°
54°
4
60°
49°
5
64°
48°
6
59°
47°
7
65°
45°
8
69°
50°
9
71°
52°
10
69°
52°
11
70°
52°
12
66°
48°
13
63°
46°
14
59°
46°
15
63°
47°
16
61°
48°
17
60°
44°
18
60°
44°
19
61°
43°
20
59°
43°
21
60°
44°
22
60°
42°
23
61°
43°
24
62°
46°
25
62°
45°
26
64°
47°
27
67°
46°
28
69°
48°
29
64°
50°
30
67°
49°
31
69°
50°
1
69°
51°
2
71°
50°
3
71°
52°
4
70°
53°
5
69°
52°
6
69°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Founex
Founex's May 2026 forecast shows daily high temperatures ranging from 59° to 71°, with overnight lows between 42° and 53°. The average high for May is 65° with an average low of 48°. 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 Founex. See also: June | July | August.
