S
M
T
W
T
F
S
26
63°
51°
27
70°
45°
28
77°
46°
29
82°
48°
30
87°
51°
1
83°
54°
2
81°
59°
3
70°
55°
4
63°
53°
5
67°
53°
6
77°
59°
7
81°
55°
8
87°
62°
9
95°
57°
10
89°
59°
11
94°
63°
12
92°
61°
13
85°
56°
14
92°
55°
15
88°
62°
16
79°
59°
17
76°
57°
18
85°
56°
19
90°
59°
20
92°
61°
21
96°
63°
22
95°
59°
23
89°
59°
24
91°
60°
25
90°
61°
26
93°
63°
27
92°
60°
28
86°
58°
29
87°
60°
30
86°
61°
31
89°
63°
1
100°
69°
2
90°
64°
3
91°
64°
4
92°
65°
5
92°
64°
6
91°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Red Bluff
Red Bluff's May 2026 forecast shows daily high temperatures ranging from 86° to 100°, with overnight lows between 58° and 69°. The average high for May is 91° with an average low of 62°. 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 Red Bluff. See also: June | July | August.
