S
M
T
W
T
F
S
26
46°
41°
27
55°
39°
28
61°
45°
29
68°
48°
30
73°
52°
1
75°
57°
2
70°
61°
3
64°
48°
4
50°
45°
5
50°
45°
6
66°
50°
7
77°
54°
8
78°
57°
9
82°
58°
10
83°
61°
11
87°
62°
12
90°
59°
13
83°
55°
14
82°
51°
15
76°
50°
16
76°
50°
17
77°
49°
18
75°
48°
19
73°
49°
20
76°
46°
21
69°
44°
22
70°
44°
23
74°
46°
24
75°
46°
25
76°
46°
26
75°
45°
27
78°
46°
28
75°
45°
29
80°
51°
30
82°
52°
31
83°
52°
1
83°
51°
2
82°
52°
3
79°
49°
4
74°
50°
5
74°
49°
6
75°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in North San Juan
North San Juan's May 2026 forecast shows daily high temperatures ranging from 69° to 90°, with overnight lows between 44° and 62°. The average high for May is 78° with an average low of 51°. 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 North San Juan. See also: June | July | August.
