S
M
T
W
T
F
S
26
65°
45°
27
63°
40°
28
65°
40°
29
68°
46°
30
63°
44°
1
53°
37°
2
64°
35°
3
66°
41°
4
66°
48°
5
58°
41°
6
59°
35°
7
68°
31°
8
76°
44°
9
78°
52°
10
71°
50°
11
77°
42°
12
84°
53°
13
82°
60°
14
77°
56°
15
79°
54°
16
80°
52°
17
72°
46°
18
72°
53°
19
70°
46°
20
70°
50°
21
73°
49°
22
74°
46°
23
73°
52°
24
79°
53°
25
70°
45°
26
64°
39°
27
70°
42°
28
73°
47°
29
73°
46°
30
75°
45°
31
69°
40°
1
68°
42°
2
66°
45°
3
66°
46°
4
69°
44°
5
70°
45°
6
73°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Truchas
Truchas's May 2026 forecast shows daily high temperatures ranging from 64° to 75°, with overnight lows between 39° and 47°. The average high for May is 70° with an average low of 44°. 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 Truchas. See also: June | July | August.