S
M
T
W
T
F
S
26
37°
32°
27
45°
32°
28
50°
36°
29
60°
41°
30
65°
47°
1
67°
49°
2
63°
51°
3
58°
43°
4
43°
37°
5
46°
37°
6
73°
43°
7
79°
46°
8
78°
47°
9
83°
48°
10
86°
46°
11
82°
45°
12
84°
46°
13
83°
47°
14
79°
45°
15
74°
44°
16
72°
44°
17
70°
43°
18
67°
43°
19
68°
38°
20
62°
36°
21
61°
35°
22
62°
37°
23
65°
39°
24
66°
39°
25
69°
40°
26
68°
38°
27
70°
39°
28
67°
39°
29
73°
44°
30
74°
45°
31
75°
45°
1
76°
44°
2
75°
45°
3
74°
42°
4
69°
43°
5
67°
41°
6
66°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Black Forest
Black Forest's May 2026 forecast shows daily high temperatures ranging from 61° to 86°, with overnight lows between 35° and 48°. The average high for May is 72° with an average low of 42°. 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 Black Forest. See also: June | July | August.
