S
M
T
W
T
F
S
26
52°
22°
27
50°
25°
28
51°
26°
29
45°
26°
30
47°
25°
1
45°
27°
2
47°
25°
3
52°
26°
4
55°
26°
5
56°
28°
6
54°
27°
7
54°
27°
8
57°
26°
9
48°
29°
10
51°
26°
11
58°
28°
12
59°
29°
13
60°
30°
14
61°
30°
15
61°
31°
16
60°
30°
17
57°
31°
18
63°
31°
19
64°
31°
20
63°
33°
21
65°
25°
22
63°
24°
23
61°
30°
24
66°
27°
25
66°
28°
26
65°
31°
27
67°
27°
28
68°
24°
29
62°
21°
30
65°
30°
31
67°
32°
1
70°
33°
2
71°
33°
3
71°
34°
4
72°
36°
5
72°
30°
6
65°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Silverthorne
Silverthorne's May 2026 forecast shows daily high temperatures ranging from 45° to 72°, with overnight lows between 21° and 36°. The average high for May is 60° with an average low of 28°. 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 Silverthorne. See also: June | July | August.