S
M
T
W
T
F
S
26
63°
50°
27
68°
48°
28
75°
42°
29
79°
44°
30
84°
44°
1
86°
48°
2
73°
51°
3
67°
54°
4
61°
51°
5
72°
53°
6
80°
55°
7
85°
50°
8
82°
46°
9
86°
49°
10
88°
49°
11
94°
52°
12
85°
51°
13
75°
52°
14
86°
46°
15
81°
49°
16
73°
52°
17
75°
50°
18
84°
42°
19
88°
45°
20
92°
50°
21
94°
52°
22
91°
53°
23
79°
53°
24
82°
52°
25
70°
53°
26
67°
50°
27
73°
46°
28
71°
51°
29
75°
49°
30
79°
46°
31
91°
53°
1
94°
58°
2
90°
53°
3
86°
51°
4
85°
50°
5
88°
50°
6
82°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ukiah
Ukiah's May 2026 forecast shows daily high temperatures ranging from 71° to 94°, with overnight lows between 46° and 58°. The average high for May is 84° with an average low of 51°. 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 Ukiah. See also: June | July | August.
