S
M
T
W
T
F
S
26
70°
45°
27
72°
46°
28
68°
48°
29
73°
54°
30
73°
52°
1
77°
54°
2
77°
57°
3
68°
57°
4
63°
55°
5
57°
52°
6
57°
48°
7
61°
48°
8
66°
45°
9
75°
48°
10
63°
52°
11
57°
45°
12
61°
41°
13
57°
46°
14
54°
43°
15
55°
39°
16
60°
49°
17
59°
47°
18
61°
48°
19
61°
52°
20
70°
52°
21
75°
55°
22
78°
57°
23
78°
59°
24
79°
57°
25
75°
56°
26
73°
55°
27
74°
56°
28
75°
57°
29
63°
47°
30
68°
52°
31
64°
53°
1
63°
50°
2
64°
49°
3
65°
49°
4
67°
56°
5
70°
56°
6
70°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lagny-sur-Marne
Lagny-sur-Marne's May 2026 forecast shows daily high temperatures ranging from 59° to 79°, with overnight lows between 47° and 59°. The average high for May is 69° 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 Lagny-sur-Marne. See also: June | July | August.
