S
M
T
W
T
F
S
26
62°
37°
27
71°
33°
28
64°
34°
29
68°
46°
30
61°
47°
1
65°
35°
2
60°
44°
3
61°
37°
4
74°
50°
5
85°
61°
6
70°
51°
7
63°
44°
8
64°
45°
9
62°
44°
10
70°
50°
11
67°
45°
12
66°
47°
13
67°
48°
14
66°
47°
15
67°
47°
16
69°
50°
17
73°
48°
18
77°
53°
19
76°
52°
20
76°
53°
21
75°
52°
22
74°
47°
23
68°
45°
24
67°
47°
25
68°
46°
26
69°
48°
27
69°
47°
28
70°
48°
29
71°
47°
30
70°
48°
31
71°
56°
1
75°
54°
2
72°
50°
3
72°
54°
4
76°
57°
5
74°
53°
6
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Branch
South Branch's May 2026 forecast shows daily high temperatures ranging from 62° to 85°, with overnight lows between 44° and 61°. The average high for May is 71° with an average low of 50°. 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 South Branch. See also: June | July | August.
