S
M
T
W
T
F
S
26
64°
52°
27
66°
50°
28
74°
44°
29
76°
43°
30
76°
44°
1
74°
50°
2
68°
54°
3
68°
53°
4
65°
47°
5
66°
47°
6
75°
47°
7
76°
53°
8
71°
52°
9
77°
51°
10
78°
52°
11
84°
54°
12
85°
52°
13
76°
51°
14
79°
49°
15
83°
50°
16
81°
49°
17
81°
45°
18
85°
45°
19
90°
51°
20
89°
52°
21
86°
52°
22
85°
51°
23
67°
54°
24
74°
54°
25
73°
50°
26
71°
51°
27
81°
59°
28
81°
52°
29
78°
53°
30
86°
51°
31
87°
53°
1
92°
52°
2
88°
53°
3
87°
54°
4
86°
56°
5
85°
54°
6
85°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Berryessa Highlands
Berryessa Highlands's May 2026 forecast shows daily high temperatures ranging from 71° to 92°, with overnight lows between 50° and 59°. The average high for May is 83° with an average low of 53°. 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 Berryessa Highlands. See also: June | July | August.
