S
M
T
W
T
F
S
26
30°
18°
27
28°
18°
28
21°
16°
29
25°
16°
30
19°
14°
1
21°
12°
2
34°
18°
3
42°
29°
4
35°
26°
5
28°
10°
6
20°
19°
7
36°
31°
8
41°
28°
9
42°
27°
10
39°
24°
11
40°
27°
12
48°
31°
13
52°
33°
14
52°
32°
15
50°
33°
16
44°
21°
17
44°
23°
18
49°
26°
19
42°
18°
20
45°
21°
21
43°
18°
22
46°
25°
23
50°
26°
24
41°
23°
25
40°
19°
26
42°
21°
27
45°
26°
28
42°
25°
29
43°
27°
30
44°
25°
31
43°
26°
1
44°
24°
2
47°
25°
3
50°
25°
4
48°
26°
5
46°
27°
6
49°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Berthoud Falls
Berthoud Falls's May 2026 forecast shows daily high temperatures ranging from 20° to 52°, with overnight lows between 10° and 33°. The average high for May is 43° with an average low of 25°. 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 Berthoud Falls. See also: June | July | August.